About Experts Sitemap - Group 203 - Page 9 2012-07-20
Heating, Air Conditioning, Fridge, HVAC: HVAC blown fuse, blown fuse, downstairs unit
blown fuse, downstairs unit, upstairs unit: Sergio, I would start with control wiring going to the condensing unit if you have a split system, should be 2 wires hooked to the Y and C terminals, disconnect these at the furnace and try to run the A/C from the thermostat, if it doesn t blow the fuse...
Heating, Air Conditioning, Fridge, HVAC: HVAC blows cool air ...., furnace heat, space temperature
furnace heat, space temperature, high efficiency: From the sound of it, I would say this is a heat pump. If you are used to fuel heat, the air does seem cool, but it is actually about 82 - 85 degrees, but because body temperature is 98 +, it feels cool to the touch. If the space temperature is achieving the...
Heating, Air Conditioning, Fridge, HVAC: HVAC - A/C, insulated pipe, heat fan
insulated pipe, heat fan, open switch: Hi Brian,That is a different circuit for the heat fan than the cool fan. Sounds like the fan relay. Cool fan is a normally open switch on the fan relay. Now, is your furnace a standing pilot or circuit board controlled type?? Big difference. Standing pilot...
Heating, Air Conditioning, Fridge, HVAC: HVAC - A/C, voltage terminal, insulated pipe
voltage terminal, insulated pipe, blower fan: Brian, Most furnaces when in the heating mode turn the fan on internal to the furnace, in the cooling mode the thermostat turns the fan on. A couple quick test will solve the problem, if you are comfortable working on the control wiring, class2 24 vac,...
Heating, Air Conditioning, Fridge, HVAC: HVAC Choices, winter chill, blower fan
winter chill, blower fan, energy dollars: If I had to choose, I would go with American Standard. With a 4 ton in the 1800 +/- square feet, the variable speed is a customer s choice. It will save you in energy dollars and pays for itself (since it is an additional cost) within about 1 year or so. The...
Heating, Air Conditioning, Fridge, HVAC: HVAC: Cold Air blowing out PVC Drain Pipe, pvc drain pipe, accurate thermometer
pvc drain pipe, accurate thermometer, subcool: Jake, A couple of different issues here. The first is that the system is running to manufacturer s specs. If your a/c guy only took the pressure then he has absolutely no way of knowing. EVERY manufacturer uses a charging chart so the technician can determine...
Heating, Air Conditioning, Fridge, HVAC: HVAC Compressor, condensing unit, condensor
condensing unit, condensor, special circumstances: If it is simply a contactor he is replacing 1100 seems very high unless there are special circumstances I don t know about. If he is replacing all of the electrical components in the condensing unit then it may be priced right. I would get another quote...
Heating, Air Conditioning, Fridge, HVAC: HVAC Condensation, steady drip, gallon jug
steady drip, gallon jug, upstairs unit: Bill, I suppose you can have some water if the line if it is not draining down hill all the way, you may also have a P trap on the line I don t know? The room air tempature that comes in through the return air grill and the tempature of the cooling coil...
Heating, Air Conditioning, Fridge, HVAC: HVAC Condensation, drip pan, gravity flow
drip pan, gravity flow, drain line: Kevin, The drip pan under your coil is only about 1 deep it has a 3/4 drain line that comes off of the side of the pan, the drain line carries the condensate water to a place it can drain, the drain is gravity flow the unit should be level or better yet...
Heating, Air Conditioning, Fridge, HVAC: HVAC Condenser fan, allexpert, home appliances
allexpert, home appliances, hvac service: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: HVAC Condenser Noise, refrigerant leaks, carrier units
refrigerant leaks, carrier units, hvac contractor: I am not quite sure what to tell you here...it is normal for units to make noise, and in some cases the noise will travel the lineset. The lineset should be isolated from the house. The suction line (insulated) can run against anything, as the insulatiion...
Heating, Air Conditioning, Fridge, HVAC: HVAC for Condo, seer rating, split unit
seer rating, split unit, air exchanger: To be honest, most brands that are out there are good units. There are quite a few styles too. The best thing to do is to have someone out to measure the space you want to put the unit so the right type will fit. Considering I have no idea how much area...
Heating, Air Conditioning, Fridge, HVAC: HVAC (commercial), asbestos abatement, retail property
asbestos abatement, retail property, hvac system: Jean, With all the other that goes with T/I, this would be a very rough guess, I would expect to pay around $1,000.00 per ton for the unit, another $500.00-$750.00 for electrical and between $5,000,00-$7,000.00 for labor and materials. There are so many...
Heating, Air Conditioning, Fridge, HVAC: HVAC compressor is broken, condensing unit, split system
condensing unit, split system, hvac system: Barbara, Is this a package system or a split system? If the compressor has failed you would be better off replacing the unit as a whole, you would get more efficiency on both sides if it is a package unit, and if it is a condensing unit or outdoor portion...
Heating, Air Conditioning, Fridge, HVAC: HVAC compressor replacement, climate master, repairman
climate master, repairman, freon: Art, There is more to changing a compressor then just disconnecting a couple of pipes and a couple of wires, It has to be pumped down and evacuated Proubly would need a filter and a dryer installed, pretty technical stuff. Also when you furnish your own...
Heating, Air Conditioning, Fridge, HVAC: HVAC compressor, fan thanks, short moment
fan thanks, short moment, squeal: Hello Kevin, I think you were right to begin with. 99% chance its the motor. You may not be able to turn the fan fast enough by hand to make it squeal, but try it. The fan is the only component that can squeal. You could turn off the disconnect, open the electical...
Heating, Air Conditioning, Fridge, HVAC: HVAC control wiring problem, strip heat, voltage device
strip heat, voltage device, heat problem: Hello Dave. Something in the control circuit is shorted, causing the transformer fuse to trip and save the transformer. Check the coil on the compressor contactor first. Turn off all power, take all wires loose on the contactor coil, and see if there is a...
Heating, Air Conditioning, Fridge, HVAC: HVAC does not cool very well., fan motor, duct work
fan motor, duct work, temperature drop: Madmex, A five ton unit should be able to cool your house twenty degrees lower then the outside tempature. When it s 100 outside you should be able to cool to 80 inside, this is with the air conditioner running continual non stop. If you want it to be 75...
Heating, Air Conditioning, Fridge, HVAC: HVAC not cool, emergency heat, hvac units
emergency heat, hvac units, freon: Brian, If your out of freon you got a leak that s not going to go away until it s fixed. Air conditioners don t use up freon it either leaks out or it s let off. A freon charge only lasts as long as the size of the leak allows. As far as having a guarantee...
Heating, Air Conditioning, Fridge, HVAC: HVAC cooling, gmail, flex duct
gmail, flex duct, duct work: Well, it is hard to say what to do here. I would be the duct work for the first floor is not easy to get at. If there where damper on the main trunk line, then they could all be adjusted until the air flow was even though the 1st floor. It might be easier...
Heating, Air Conditioning, Fridge, HVAC: HVAC not cooling, heat load calculation, heat exposure
heat load calculation, heat exposure, tempature: Sam, 1. If you have heat exposure in the hallway you need something to cool it. 2. The thermostat needs to be where it senses the tempature of the unit it controls. 3. No need to call anybody to reassess the heat load, two tons is way to little for cooling...
Heating, Air Conditioning, Fridge, HVAC: HVAC DESIGN, ductolator, smacna
ductolator, smacna, building co: Typically the ductwork has to be sized for the cfm that can be expected to travel through it and the outlets add up to aproximately the total cfm. Typical ductwork sizing is all based upon velocities of air in the ductwork to produce good air flow at a reasonable...
Heating, Air Conditioning, Fridge, HVAC: HVAC Drainage, landscape fabric, drainage pipe
landscape fabric, drainage pipe, high hope: There is no best practice. How does the buried one terminate below ground? I take a 5 gal bucket w/lid and drill 200 holes in it. Then line the hole with landscape fabric (all around the bucket). Put the hose in the top & cover with dirt. The fabric keeps...
Heating, Air Conditioning, Fridge, HVAC: HVAC Driving Me Crazy!, crackling noise, service mechanic
crackling noise, service mechanic, metal ducting: Mary, Not likely a safety issue, a few things to check, is the ducting flexible ducting or galvanized rectangular or round ducting. Flex duct is not usually susceptible to heat expansion or contraction, galvanized metal ducting is. Check your air filter...
Heating, Air Conditioning, Fridge, HVAC: HVAC Dry Air, central air duct work, air furnace
central air duct work, air furnace, blower fan: Robert, Warm air furnace ,install a furnace mounted Humidifier to handle your particular sq. ft. house.It will only humidify as long as the blower fan is running,(calling for heat ) or putting your fan switch from auto to on from your t-stat. Or a portable...
Heating, Air Conditioning, Fridge, HVAC: HVAC/Duct Replacement, best bet, duct work
best bet, duct work, taking into consideration: Dan, Depending on the construction, location and original ducting 4 tons may be adequate for your home. There are several variables that would affect the sizing, insulation, windows, exposure and over all construction to name a few. Your best bet is to...
Heating, Air Conditioning, Fridge, HVAC: HVAC Duct in room not blowing like it should, floor registers, duct booster
floor registers, duct booster, master br: Floor registers or ceiling registers (where the air should be blowing from)? Also, where is the unit or units located? If that is the furthest run from where the unit is located, then it will be the worst amount of airflow. Solutions....Check to make sure...
Heating, Air Conditioning, Fridge, HVAC: HVAC Ducting system, weathermaker, flex duct
weathermaker, flex duct, attic space: Bob, You never did tell me what your inside unit was besides giving me a model number that I can t look up. Gas Furnace, Electric Furnace, Heat Pump or just an Air Handler? It really doesn t matter much except it helps me get a clearer picture. The outside...
Heating, Air Conditioning, Fridge, HVAC: HVAC Ductwork, duct work, gmail
duct work, gmail, metal ductwork: Chances are the duct work is lined on the inside. I am not sure if you have true metal duct, or a type of fiberboard with an alum backing (they can be confused). If you feel you want to wrap the duct work, then you need to use duct wrap. The wrap has an...
Heating, Air Conditioning, Fridge, HVAC: HVAC with down draft configuration, horizontal travel, ceiling vents
horizontal travel, ceiling vents, floor vents: In short, yes. It does not matter which direction or how far the air has to flow(although there are limits of course, but not need to worry), as long as the fan, and duct work are big enough to move the amount of air needed. Be sure to hire a good company...
Heating, Air Conditioning, Fridge, HVAC: HVAC Evap. Fan Prob., condenser unit, heatcraft
condenser unit, heatcraft, fuel heat: To eliminate the motor or the motor capacitor as a problem that is causing the module to hum, the motor will have two power wires and one or more capacitor wires. One will have to be connected to this module. If you can remove it from the module and determine...
Heating, Air Conditioning, Fridge, HVAC: HVAC Evap. Fan Problem, condenser unit, furnace heat
condenser unit, furnace heat, gas furnace: OK Edward, With a heat pump, you probably have an electric strip heater in the unit also, some do some don t? I don t have a library of heating and cooling equipment literature that I can search through all the thousands of model numbers trying to find what...
Heating, Air Conditioning, Fridge, HVAC: HVAC Evaporator Coil, tubeing, first few days
tubeing, first few days, freon: Here in Montana the cost would be $320 to $370. It is OK, just to replace the coil. Since you are loosing freon, it means there is a leak somewhere in the system. Did they find the leak or are they guessing it is in the coil? (because they could not find...
Heating, Air Conditioning, Fridge, HVAC: HVAC electrical issue, strip heat, emergency heat
strip heat, emergency heat, air handler: Hello Tracy. The blue and red lights are both for the electric stip heat. A heat pump thermostat has the electric strips on a setting that is 2 degrees cooler than the visible setpoint. If you set the thermostat on 70, the heat pump will energize and if the...
Heating, Air Conditioning, Fridge, HVAC: HVAC equip opinions, gas furnace, outdoor temperatures
gas furnace, outdoor temperatures, heat pumps: Hello Barry, The electronic air cleaner has to be mounted before the air handler unit. Water dripping down if you have a malfunctioning drain would be a consideration. You can have the installing contractor use an in-line float switch which would shut down...
Heating, Air Conditioning, Fridge, HVAC: HVAC equipment, statistical accuracy, keeprite
statistical accuracy, keeprite, intertherm: Kevin, Luxaire is a brand made by York. There is not a significant differnce between the Luxaire product and York product. Almost every major manufacturer makes multiple brands - and in almost every case, the equipment is identical except for the color...
Heating, Air Conditioning, Fridge, HVAC: HVAC Fan Always On, Cant Shut it Off, residential gas furnace, nordyne
residential gas furnace, nordyne, energy usage: It will not damage the unit, but it will increase the utility bill. There is a control for the fan on the furnace that is stuck. It brings on the fan after the heat exchanger heats up and cuts it off after it cools down. Try cutting the breaker to the indoor...
Heating, Air Conditioning, Fridge, HVAC: HVAC Fan Controls / Electrical Bleed, thermostat switch, electrical tester
thermostat switch, electrical tester, thermal switch: Stephen, Disconnect the wires to your blower motor and connect a 110 drop cord directly to motor 110 connections and see what happens? It sounds like a bad motor or capacitor to me? I don t know why the motor runs all the time unless you have the thermostat...
Heating, Air Conditioning, Fridge, HVAC: HVAC Field Matching, seer unit, air handler
seer unit, air handler, warrenties: As long as the Tons of cooling is the same. They are a match with the air handler. Air handlers do not care what SEER a unit has. However, the coil is something else. The coil (inside the airhandler) should match the new unit. Goodman works that way (usually)....
Heating, Air Conditioning, Fridge, HVAC: HVAC Filter, forced air furnace, hvac unit
forced air furnace, hvac unit, condencer: A HVAC unit is just a furnace (with or without A/C). Fancy name, higher price. Open the blower door on the furnace. There may be a filter there. or Just outside the furnace where the return air joins. or It could be in the return where the hole is cut into...
Heating, Air Conditioning, Fridge, HVAC: HVAC Filters, sized filters, carrier units
sized filters, carrier units, difficulty factor: Jason, You can use the filters, I m not sure what you mean by changing them annually ? If that s once a year I think that s going to be more costly on your utility bill and more un-efficient as far as air flow goes if you average a 12 month use. I like...
Heating, Air Conditioning, Fridge, HVAC: HVAC Fin Comb, supply house, comb
supply house, comb, coils: You need a fin comb that matches the spacing on the coils. Go to a supply house for a/c to get one. Pay cash, their cheap. One comb has several spacings & come in several colors so be sure you get one to match your e spacings. If the fins are really flattened,...
Heating, Air Conditioning, Fridge, HVAC: HVAC fan will not shut off, fan coils, printed circuit board
fan coils, printed circuit board, fancoil: Tom, First thing to check is the control wiring. If you look at the control wiring at the indoor fan coil the fan signal is the G terminal, if you disconnect the G leg at the fancoil and the fan stops, it is either the wiring itself or the thermostat. Make...
Heating, Air Conditioning, Fridge, HVAC: HVAC fan stays on, time delay relay, condensing unit
time delay relay, condensing unit, click sound: I would be interested to hear what the service technician said. I would start first and make sure the fan switch on the thermostat is in the auto position and not the on position. If it is in the on position it will run all of the time. Next I would verify...
Heating, Air Conditioning, Fridge, HVAC: HVAC fan stays on, brain box, click sound
brain box, click sound, hvac system: What kind of unit, age, AFUE rating, area of country, furnace model, model of the brain box, etc.... Anyway, a lot of units have the fan set to run when there is a problem with the brain box . A default setting. When you kill the juice it resets the brain...
Heating, Air Conditioning, Fridge, HVAC: HVAC fan stays on, click sound, subbase
click sound, subbase, hvac system: Ron, it sounds like the fan relay is sticking, although it could also be in the thermostat. The next time it does this, remove the front of the thermostat while it is running, if the fan still runs with the thermostat front removed with only the subbase in...
Heating, Air Conditioning, Fridge, HVAC: HVAC field-matching, allexpert, air handler
allexpert, air handler, home appliances: Hello Chris, Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances,...
Heating, Air Conditioning, Fridge, HVAC: HVAC flexible duct and air returns, flexible duct work, flex duct
flexible duct work, flex duct, new home construction: Rick, Larger common returns are used all the time - it is what I have in my house and it is comfortable for me. Unless there are transfer ducts installed, doors to bedrooms and other rooms that remain closed must have enough undercut to allow the air...
Heating, Air Conditioning, Fridge, HVAC: HVAC freeze up/dripping, c unit, drain pipe
c unit, drain pipe, cool air: When an A/C unit it creates condensate as it runs. That is why there is a drain pipe (PVC). Now, if the coil is freezing up it will not make cool air. If you mean that the large pipe was freezing up, that is different. The large pipe will get frost on it...
Heating, Air Conditioning, Fridge, HVAC: My HVAC Geothermal can not HEAT!, climate master, air pockets
climate master, air pockets, tempatures: Keith, Are they using a purge cart when they are flushing the geothermal loop? The fan blowing with out producing heat is a sign of a lock out, could be that the loop is freezing, but why is the loop freezing, I would think that there are still air pockets...
Heating, Air Conditioning, Fridge, HVAC: HVAC - garage, square foot area, overhead garage doors
square foot area, overhead garage doors, programmable thermostat: My suggestion is that you have a 1500+ square foot area and you will either need to get expensive with the amount of Mr. Slim units you install (you ll need 42,000 Btu s out of the system(s) you install to get the correct cooling and heating capacity). Honestly,...
Heating, Air Conditioning, Fridge, HVAC: HVAC gas furnance, furnace work, gas furnace
furnace work, gas furnace, keeprite: I do not know what kind of t-stat is needed with your unit. Most units will use just about any type, but a few have to use a certain one. My first thought on this problem is a wiring issue behind the stat. It is possible the wires could be shorting out,...
Heating, Air Conditioning, Fridge, HVAC: HVAC gas furnance, furnace work, gas furnace
furnace work, gas furnace, keeprite: look for loose connections /poor contact on the back of the thermostat base or perhaps different size pins causing poor contact. also check the exact wiring of the units to ensure compatability. (even engineers make mistakes as i have before lol) ...
Heating, Air Conditioning, Fridge, HVAC: HVAC gas furnance, furnace work, gas furnace
furnace work, gas furnace, keeprite: At this point I suspect the control board. Look on your paper work for the company phone # & call them asking for customer service. (International Comfort Products) is the home company. Tell the installer to fix it or pull it out & put a different (& better)...
Heating, Air Conditioning, Fridge, HVAC: HVAC--gas order, air inlets, hvac system
air inlets, hvac system, hvac systems: Abby, I m not sure exactly what your set up on the roof is? From your question I m assuming that you have a self contained heating/cooling roof top unit. Some times roof top units have fresh air inlets on there return air section of the unit for the purpose...
Heating, Air Conditioning, Fridge, HVAC: HVAC HEATING SIZE, square foot ranch, cheap vinyl
square foot ranch, cheap vinyl, home space: Kenneth, The only correct way to determine the proper size system for your home is to do a load calculation. Any other way is just guessing and is a HUGE source of problem systems that have shorter lives, cost more to run, and cause homes to be less comfortable....
Heating, Air Conditioning, Fridge, HVAC: HVAC/HEATPUMP, unit colors, reversing valve
unit colors, reversing valve, gmail: do you mean touch the orange and red wires on the outside unit. colors do not mean much to me, but you need to locate the two wires from the rev valve sol (24v) to where they tie into the wires from the inside unit. Just connect and disconnect one of those...
Heating, Air Conditioning, Fridge, HVAC: HVAC Heat Pump, drip pan, emergency heat
drip pan, emergency heat, faulty wiring: You do not need emergency heat. When the outside temp drops to freezing (32 degrees), the heat pump does not work right. So, emerg heat kicks in. This is normal operation. It should have an emerg. heat switch, in my opinion. Just to provide an option. I...
Heating, Air Conditioning, Fridge, HVAC: HVAC - Heating, electrical tester, voltage wires
electrical tester, voltage wires, ac unit: Conrad, As long as the wires are the same on the thermostat I think your wiring is OK. The Red is the hot line 24 volts for the low voltage, You can check with an electrical tester, volt meter and see what your getting at the fuse. You can get yourself...
Heating, Air Conditioning, Fridge, HVAC: HVAC - Hot Water, hot water tank, hot water heater
hot water tank, hot water heater, water heater replacement: Simple choice. Standard water heater replacement. The instant on heaters suck a lot of fuel. That is how they provide Instant hot water (energy waster). boilermate is another low efficiency water heater. If you want efficiency go with a power vented water...
Heating, Air Conditioning, Fridge, HVAC: HVAC Hunmdity Level, humidity level, perplexing problem
humidity level, perplexing problem, hvac service: Thanks for the question. All 3 options have merit. Replacment of the unit will increase the preformance of the unit and save on electric. The return duct should be insulated (without question) - the supply would be nice. General service should be done...
Heating, Air Conditioning, Fridge, HVAC: HVAC heatpump, fan control, blower motor
fan control, blower motor, air duct: Jonathan, When your thermostat is in the cooling mode the blower is controlled by a blower relay in the inside unit, it should go on and off at the same time as the outside unit condenser. When your thermostat is set to the heating mode the blower is turned...
Heating, Air Conditioning, Fridge, HVAC: HVAC help, correct temperature, random question
correct temperature, random question, ranch house: Exactly, what issue does the fan have, on getting the house to temp?? Does it take too long?? Does it never make temp?? Usually, a furnace is not able to handle a doubling of the space it heats. It may have been a bit oversized to start with, this would...
Heating, Air Conditioning, Fridge, HVAC: HVAC - high amp draw, gmail, air conditioner
gmail, air conditioner, amps: If the amp draw is at 84 amps, then the breaker should trip. It is normal for a compressor to draw high amps when it starts, and should only last a second or two. I would consider installing a hard start kit. This will help to keep the amps down on start-up....
Heating, Air Conditioning, Fridge, HVAC: HVAC with ICE on Compressor and line to the house, copper line, condenser
copper line, condenser, thermostat: Relax. Anytime that copper line does not have insulation covering it. Ice will form. It does not hurt a thing. Now to the problem. What do you mean cut on ?? thermostat tries to cut it on , cut what on?? The unit must have been running or there would not...
Heating, Air Conditioning, Fridge, HVAC: HVAC install and overflow, drip pan, drip pans
drip pan, drip pans, air conditioning units: Sherry,The term unit could be just about anything. There are all kinds of air conditioning units and a couple of different cooling coils depending if the air blows up or down and depending if the cooling coil is on top or bottom. There are different types...
Heating, Air Conditioning, Fridge, HVAC: HVAC issue, pvc drain pipe, drip pan
pvc drain pipe, drip pan, pvc type: OK Andrew, Telling me its in Texas Helps, Telling me the PVC drains water to the outside helps. The rest I m going to assume You have a unit outside someplace, that s your Heat Pump, you have a unit inside probably in the attic that s your Air Handler....
Heating, Air Conditioning, Fridge, HVAC: HVAC issues, load amps, central air conditioner
load amps, central air conditioner, amp meter: Robert, I don t know what you ve got? a split system, a self contained unit, heating and cooling , just cooling, gas, electric? I don t keep reference books for looking up makes and models. On your condensing section there is a rating plate that tells what...
Heating, Air Conditioning, Fridge, HVAC: HVAC not kicking on cold, case thanks, contactor
case thanks, contactor, freon: Hello Andy, it depends on the type controls this unit has. If it has no low pressure control, the compressor could operate with the unit completely out of refrigerant. Is the compressor running, if so, is the suction line ( the insulated line ) cool and the...
Heating, Air Conditioning, Fridge, HVAC: HVAC leaking too much water, electric furnace, furnace heat
electric furnace, furnace heat, excessive humidity: Carol, Your first question didn t identify the location of the unit. HVAC doesn t identify the type of unit such as Gas furnace, Electric furnace, Heat Pump? There is no water associated with a refrigerated air conditioning units other then condensation,...
Heating, Air Conditioning, Fridge, HVAC: HVAC leaking water, drip pan, condensation
drip pan, condensation, cooling coils: Jeremy, There are lot s of different drip pan assemblies for cooling coils, In some instances you can replace the drip pan and in some you can t. What you need to do or get some person capable of crawling into the attic and taking a look at what your options...
Heating, Air Conditioning, Fridge, HVAC: HVAC motherboard replacement, coolant levels, compressor unit
coolant levels, compressor unit, dirty filters: Keep running...I am worried because a unit that is low on refrigerant will be low no matter when the unit is running. Dirty filters and air flow problems should have been found when the new compressor was installed. I hope for that money you got a whole...
Heating, Air Conditioning, Fridge, HVAC: HVAC Noise, crackling noise, hvac unit
crackling noise, hvac unit, central heating: This may be a fan bearing as the fan is coming to a stop. See if you can turn the fan to on and back off and when the fan is stopping, see if you hear the noise. If not, turn it on and have someone lower the setting to make the heat turn off and go to the...
Heating, Air Conditioning, Fridge, HVAC: HVAC new service - opportunity to make the best choice, sq ft addition, stage unit
sq ft addition, stage unit, heat strip: Mild winters but how many days below 45 degrees. When the temp drops below 45 the heat pump does not give heat. Instead it runs the electric heat strip . Like a toaster, glowing wires, lots of money to provide this kind of heat. If you have very many days...
Heating, Air Conditioning, Fridge, HVAC: HVAC new system Startup, condenser unit, wet rags
condenser unit, wet rags, copper fittings: Forget what amount of silver. It sounds like what you did should work. The valves should open about 5 turns to 5 1/2 turns. Yes, you understand no stop. Go slow & wear light gloves. (in case you have to screw it back down)(keep downward pressure on the allen...
Heating, Air Conditioning, Fridge, HVAC: HVAC Outside fan stops, cover blade, vacuum line
cover blade, vacuum line, gmail: If the fan is stopping and the compressor runs; most likely it is due to a bad fan motor or a weak run cap. That is not to say that is could be some other things as well. I do not think it is a refergeriant issue, but one never knows. The unit will have...
Heating, Air Conditioning, Fridge, HVAC: HVAC outside unit has quit!, electric tractor, electrical controls
electric tractor, electrical controls, access panel: Remove the access panel on the unit to the electrical controls. Locate & manually press in the contactor. If the unit runs, you have a control circuit problem. If not, you have a power circuit problem. Unless the unit was moved when it was smacked,shouldn...
Heating, Air Conditioning, Fridge, HVAC: HVAC overflow pan, turkey baster, algaecide
turkey baster, algaecide, drain line: Denise, You have done well so far, you probably just need to do a little more. Try connecting the shop-vac to the end of the drain line to get the entire line cleaned out. You may have to try compressed air if the vac doesn t work. Go to www.johnstonesupply.com...
Heating, Air Conditioning, Fridge, HVAC: HVAC Package Unit (Rooftop) Replacement, energy calcs, hvac company
energy calcs, hvac company, current unit: If you were in TX I would certainly see doing it for 8000-11000 and walk away a very happy person. The reason businesses went to package units...the price is affordable. You have a 4 ton Carrier and I would say in TX I could put a Trane 4 ton for somewhere...
Heating, Air Conditioning, Fridge, HVAC: HVAC Problem, thermo fan, carrier furnace
thermo fan, carrier furnace, fan mode: it is your thermo fan switch that is shorted closed. follow the wires to this control and change it out. may have a limit built into the control, or it may have a timedelay back up built into control.......follow the wires from your blower motor, should be...
Heating, Air Conditioning, Fridge, HVAC: HVAC Problem, emergency heat, residential system
emergency heat, residential system, heat pump: You did not indicate and they make fuel units, but it sounds like this is a heat pump system. I would have to say the outdoor unit has failed and you are heating solely by the emergency heat which is electric strips, and this would account for a high bill....
Heating, Air Conditioning, Fridge, HVAC: HVAC, part of the unit that sits outside, cement slab, air grills
cement slab, air grills, poor idea: Poor idea, but possible. The unit needs air flow into & out of it, to work. You can build next to it, just don t block the air grills and/or access for repair. Just provide for air flow and access can be from inside the shed (if necessary). Can you send pictures...
Heating, Air Conditioning, Fridge, HVAC: HVAC pipe keeps cracking, hot water heat, steam heat
hot water heat, steam heat, ventilation air: Conf. I m not familiar with anything that is typical in New York? I m thinking that you have a fan coil unit of some type that is fed by some type of unit that is furnished by the city or some building management or someone other then yourself. I guess...
Heating, Air Conditioning, Fridge, HVAC: HVAC piping cleanleness, copper piping, piping systems
copper piping, piping systems, pipe filters: The best thing you can do would be to contact the equipment manufacture. I would bet they have what they consider proper procedures to run copper tubing for there systems. I will say that ACR tubing is to be used and nitrogen is recommended to keep the pipes...
Heating, Air Conditioning, Fridge, HVAC: HVAC problem with coil, brand new vein, thanks in advance
brand new vein, thanks in advance, freon: With a 9 year old system, it is not even something I would consider repairing because suddenly you have a 9 year old body with a brand new vein system and something always goes horribly wrong and it will cost even more to piece it and there is little warranty...
Heating, Air Conditioning, Fridge, HVAC: HVAC pvc pipe freezing, gas forced air furnace, pvc pipes
gas forced air furnace, pvc pipes, hvac unit: Julia, Still not sure what your unit is? a Gas forced air furnace, a heat pump an electric furnace or just an air conditioner. Any way there is a cooling coil that has a drip pan under the coil that catches the condensate water, the drip pan is only about...
Heating, Air Conditioning, Fridge, HVAC: HVAC Question, condensing unit, fan motor
condensing unit, fan motor, contactor: It s hard to say with 100% accuracy that it is NOT the thermostst, but I believe you should call for serbvice a it might be a fan motor outside or a contactor with issues. If the thermostat works for heat it should work for cool, also. I hope this helps and...
Heating, Air Conditioning, Fridge, HVAC: HVAC Questions, hvac questions, open holes
hvac questions, open holes, hvac contractor: Mark, Question #1 I have no idea what the chase thing is all about? the reason for it s existence in the first place. I have no idea what size the large hole into the attic was or what all was involved in closing it? There shouldn t be open holes up through...
Heating, Air Conditioning, Fridge, HVAC: HVAC question (heat pump), york heat pump, heat strips
york heat pump, heat strips, ac system: I agree the strips should be tested, there should be no change when in defrost mode. I do not have a way to create a schematic, but there should be one on the inside panel or you may have to get the model and serial number and contact York to get one. Many...
Heating, Air Conditioning, Fridge, HVAC: HVAC question, air mixture, hvac unit
air mixture, hvac unit, fan section: Hello Michael. I would inspect all of the ductwork. There may be a loose fitting in the return allowing unconditioned air to enter the ducts. Check it beginning at the fan section to be sure the attaching collar has not loosened. There should not be an air...
Heating, Air Conditioning, Fridge, HVAC: HVAC: Refrigerant line length, copper pipe, qualified man
copper pipe, qualified man, hvac services: Someone screwed up. 1/4 by 3/4 is too small. You will not even get 2 tons of cooling. He is trying to get by cheap. The lines need to be replaced with the proper size. (period) A 3/4 suction line can not handle 3.5 tons. The copper will be from $250 to...
Heating, Air Conditioning, Fridge, HVAC: HVAC & Refrigerator, system fyi, heat index readings
system fyi, heat index readings, same time period: Stepping up to a 13 seer is a great idea but if they are adding freon that must mean there is a leak somewhere. How well and how long does the unit work after the freon is added. As far as the price keep in mind the size makes a big difference and you are...
Heating, Air Conditioning, Fridge, HVAC: HVAC Registers in Drop Ceiling, drop ceiling, hvac supply
drop ceiling, hvac supply, commerical buildings: You need to locate a HVAC supply house in your area that sells duct work products. Drop ceiling are very common in commerical buildings, and there are grilles that are designed to fit in a drop type ceiling. Most of them are 24 x24 . Some come with a collar,...
Heating, Air Conditioning, Fridge, HVAC: HVAC : Retard, condensing unit, gmail
condensing unit, gmail, gauge: I am going to guess that your unit is newer, and it is using Puron. Puron takes a special set of gauges and hoses. The suction pressures runs about 150 and the head runs 450. Look at the unit and see.... Retard means that the pressurs is above normal operationing...
Heating, Air Conditioning, Fridge, HVAC: HVAC Retuns, ductwork, damper
ductwork, damper, restriction: Not knowing how this was designed, you may cause an air restriction by closing any return vents. I would leave them all open. The unit can overheat in heat mode, or the a/c could ice the coil due to loss of return air if the ductwork was designed for all vents...
Heating, Air Conditioning, Fridge, HVAC: HVAC Return - Adding another return, hvac contractor, hvac system
hvac contractor, hvac system, rafter: I feel you have just jumped into a lake without making sure the water is deep enough here.....I am not sure if this is going to do what you think it will do. Adding more returns may not do it. Fluids (air can be considered one) will travel the path of least...
Heating, Air Conditioning, Fridge, HVAC: HVAC Return Air Question, air vent, bedroom doors
air vent, bedroom doors, air vents: Your air in the closet can become obstructed and might not give you the desired outcome. Just an equalizer to allow air through the rooms will will accomodate the pressurization issue. No, the openings just need to pass air through. The smaller they...
Heating, Air Conditioning, Fridge, HVAC: HVAC -- Return Ducts, spray insulation, story townhouse
spray insulation, story townhouse, energy crunch: Jay, I don t know what it s for? It s not a normal instillation, some times people like to pull a little fresh air in and mix it with the return and some times it s air for combustion? It could have another purpose? HVAC is used rather loosely, it means...
Heating, Air Conditioning, Fridge, HVAC: HVAC Return location, return location, conditioned air
return location, conditioned air, vaulted ceiling: i do not normally deal with circulated air units but you should check with the unit manufacturer who will give you advice free. pass the info on to thewnm and they should respond it is possible to place a slave fan in the duct to increase airflow in a particular...
Heating, Air Conditioning, Fridge, HVAC: HVAC Return, natural gas heat, hvac company
natural gas heat, hvac company, speed blower: Kelly, I don t know exactly how your furnace is set up. Most furnaces have two or three speed blower assembles that switch the blower to a faster speed for more air flow for cooling and slower for heating, this is controlled by a blower relay in your furnace...
Heating, Air Conditioning, Fridge, HVAC: HVAC Returns, brain rest, celling
brain rest, celling, leavers: I am so confused about this explanation that I had to stop and let my brain rest a bit. You have a lot of return and having to close and change things for the season at hand, is hard to understand. I suggest figuring the size of the unit and the tonnage will...
Heating, Air Conditioning, Fridge, HVAC: HVAC Ruud System, indoor coil, hvac unit
indoor coil, hvac unit, dirty air: Arnold, The fan may be coming on but is just not moving any air due to an iced indoor coil. This is very common when the refrigerant line at the outdoor unit is icing up also. Check your air filter to make sure it is clean. Set the fan switch at the...
Heating, Air Conditioning, Fridge, HVAC: HVAC relocation, upstairs unit, copper lines
upstairs unit, copper lines, central ac: It will not affect the system at all, go for it. I did the same thing for my upstairs unit, a suggestion I found, I had a corner to put the piping in and I bought a section of gutter and cut the back out and surrounded the piping and ran it up to the soffit...
Heating, Air Conditioning, Fridge, HVAC: HVAC repair (old unit), magic chef, rough around the edges
magic chef, rough around the edges, freon: Travis I think you need to call in an electric who has some testing equipment. I don t believe your getting the right amount of electricity that you need to your condensing unit. You should have a double pole 220 breaker for your condensing unit, both...
Heating, Air Conditioning, Fridge, HVAC: HVAC repairs, hvac repairs, circuit breakers
hvac repairs, circuit breakers, split unit: Dave, When the fan motor hums can you help spin staring it by hand or a stick. Motors can develop a dead spot that they stop on and then wont start the next time. You could have a bad start capacitor. Did you get any oil down the shaft, try squirting some...
Heating, Air Conditioning, Fridge, HVAC: HVAC replacement, heat load calculation, gmail
heat load calculation, gmail, proper heat: I have no way of knowing if the price is right. I do not live in CA, and I do not know what the cost of labor and materials are going for. I suggest you get a couple of more quotes for a unit replacement. I would be willing to bet there is a chance you...
Heating, Air Conditioning, Fridge, HVAC: HVAC returns, cold air return, bedroom doors
cold air return, bedroom doors, air circulation: Joe, You didn t say what you had for heat? Gas, Electric, Heat Pump. You didn t say if there was a space under the floor like crawl space or a basement. Every supply outlet in your house needs a clear path for the air to flow to the return air grill/grills....
Heating, Air Conditioning, Fridge, HVAC: HVAC Seasonal Check Up, indoor air temperature, rain drizzle
indoor air temperature, rain drizzle, heat pumps: Lori, Most service companies, including mine will not open outdoor equipment in the rain, drizzle or mist it is the mechanics call, this is a safety issue. Outdoor temperature is another issue if you are doing an A/C check for a natural gas or propane...
Heating, Air Conditioning, Fridge, HVAC: HVAC/Split-Foyer, building a soffit, gas pipes
building a soffit, gas pipes, split foyer: Ryan, You can use any stud space, ceiling rafter space. floor joist space or void area for a return air duct. There are restrictions about using spaces with, electric wires, gas pipes, loose insulation etc. I don t know what the duct serves but as long...
Heating, Air Conditioning, Fridge, HVAC: Which HVAC System, windows doors, side comparison
windows doors, side comparison, trane: Marcia, In my opinion all heating and cooling equipment is pretty much the same if your comparing the same specs. Carrier and Bryant are the same but they don t want you to know it. Trane, Lennox, and some other big name brands are OK but hard to deal with...
Heating, Air Conditioning, Fridge, HVAC: HVAC sizing, hvac sizing, mail brian
hvac sizing, mail brian, hvac system: The differences between your weather and mine are huge. My suggestion is to call a local parts distributor and ask them what kind of square feet per ton they use in that area of the country. That should tell you how many tons of air you need to cool the house....
Heating, Air Conditioning, Fridge, HVAC: HVAC for small Home addition, hvac system, concrete slab
hvac system, concrete slab, heat pumps: I know of a 50 or 60,000 BTU, with 1 1/2 or 2 ton Air that is a 95% AFUE, two pipe furnace(to save money)(I figure gas prices are going up in the long term). I have excellent history with these Janitrol units, made by Goodman. (Made in Texas) & the Texas...
Heating, Air Conditioning, Fridge, HVAC: HVAC squealing noise, service mechanic, subcooling
service mechanic, subcooling, hvac unit: Joe, I would ask the service mechanic if they are checking the superheat or subcooling when checking the charge, I cannot think of anything other than the reciprocating part of the compressor that would squeal when turning on and off. If the unit is overcharged...
Heating, Air Conditioning, Fridge, HVAC: HVAC squealing noise, allexpert, hvac unit
allexpert, hvac unit, service man: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: HVAC - supposed mildew in ductwork, mold mildew, drip pan
mold mildew, drip pan, plumbing pipe: Wayne, To get Mold/Mildew you need a constant source of moisture that can t dry out due to lack of air circulation or ventilation. A cooling coil condensation drip pan that didn t drain properly the last time your air handler ran during cooling season and...
Heating, Air Conditioning, Fridge, HVAC: HVAC sweating, hvac company, tempature
hvac company, tempature, dead cat: Heather, I don t know the condition of your basement or what your ducts are made of, if there insulated or not, how warm is it in the basement. Your ducts could condensate if the conditions are right, cold inside warm outside, no insulation. I would think...
Heating, Air Conditioning, Fridge, HVAC: HVAC system, refrigeration system, heat pumps
refrigeration system, heat pumps, freon: 24 + feet is OK. The lines,at best, should slope downward a bit from the inside coil to the outside unit to drain oil in the line back to the compressor. Length of line only effects the amount of freon the system will contain when properly filled, no effect...
Heating, Air Conditioning, Fridge, HVAC: HVAC system is dead, low voltage transformer, blown fuse
low voltage transformer, blown fuse, fuse box: Hello Oliver. You may have made a common mistake. If you checked each power leg to ground and read 125 volts, you could have been reading the same power leg. If one fuse is blown, the other power leg will travel through the compressor and is present on the...
Heating, Air Conditioning, Fridge, HVAC: HVAC system doesn't blow very cold during the day, air grills, drain line
air grills, drain line, dripping water: Trey, Check your filter and make sure it s clean. Keep your return air grills unobstructed. If your air conditioner is working properly the condensate drain line should be dripping water after the unit has been running for a while, and the larger of the...
Heating, Air Conditioning, Fridge, HVAC: HVAC system fan not turning off, low voltage wiring, carrier furnace
low voltage wiring, carrier furnace, furnace heat: The fan is operated by a fan relay that is energized with the thermostat. It may be part of a circuit board. If you trance the fan motor wires back to the connection points, at least one of the fan motor wires will be connected to this relay. It sounds like...
Heating, Air Conditioning, Fridge, HVAC: HVAC system options, heating and air conditioning, purchasing a new home
heating and air conditioning, purchasing a new home, carrier corporation: Carole, There are big company s who manufacture heating and air conditioning equipment. Bryant is a division of Carrier Corporation which is United Technologies which manufactures several other brands as well. When I was active several years ago Bryant,...
Heating, Air Conditioning, Fridge, HVAC: HVAC system replacement, summer climate, eventual replacement
summer climate, eventual replacement, rough price: Gary, We are in the process of replacing a substantial part of the a/c & heating system on the church where I attend, and it has been in service in Las Vegas (harsh summer climate) since 1978 when the building was built. There has been some rebuilding/repair...
Heating, Air Conditioning, Fridge, HVAC: HVAC system will not come on., furnace control, blown fuse
furnace control, blown fuse, door switch: Glen, If the fan won t turn on at the thermostat then there is probably a lack of voltage at the thermostat. Depending on your model of furnace you may have a blown low voltage fuse or even a bad transformer. Open the furnace control compartment and...
Heating, Air Conditioning, Fridge, HVAC: HVAC systems, floor vents, load calculations
floor vents, load calculations, condensing unit: Elizabeth, You can run a Trane evaporator and condensing unit, hopefully the furnace is sized correctly. Getting the load calculations is a great move, make sure that the existing ducting is checked as well.Hope this helps, any other questions please...
Heating, Air Conditioning, Fridge, HVAC: HVAC Trane XE1000 TTR042C100A2, trane xe1000, contactor
trane xe1000, contactor, windings: Hi Randy,Once the terminals get rusty the wires can melt from the heat generated by the rusty connection. Sand them clean as possible. Best check the compressor terminals for rust also. Can be a repeat problem so need to check it every now & then.The ohms...
Heating, Air Conditioning, Fridge, HVAC: HVAC Transformer Problem, furnace control, blower unit
furnace control, blower unit, digital displays: Dan, I can t do you any good from where I m sitting, I would need to follow your wiring diagram that should be on the inside cover of your unit. I don t even know what type of unit it is, furnace, air handler, heat pump, or other. As I said in the beginning...
Heating, Air Conditioning, Fridge, HVAC: HVAC Transformer Problem, furnace control, zero volts
furnace control, zero volts, hvac unit: I do not think I have ever had a transformer to bad because of a bad t-stat. Not saying that it is not possible. Because of the way residental units are made, it is hard to find control circuit grounds, because the common side of the x-former is landed to...
Heating, Air Conditioning, Fridge, HVAC: HVAC Trouble, carbon monoxide poisioning, r410a
carbon monoxide poisioning, r410a, ac units: I am not sure if the problem you have is related to the type of refer. Most systems just do not have enough in them to cause the problems you seem to be having. It could be just a bad electrial part in the unit, which will have an odor that stands out. This...
Heating, Air Conditioning, Fridge, HVAC: HVAC thermostat bad?, programmable digital thermostat, low voltage transformer
programmable digital thermostat, low voltage transformer, carrier furnaces: If the thermostat is a programmable, it will have both sides of the transformer available and can be checked. It will have a common terminal which is one side and the R terminal is the other side and there will be 24 volts between these two terminals. If it...
Heating, Air Conditioning, Fridge, HVAC: HVAC thermostat removal for replacement, programmable thermostat, gas furnace
programmable thermostat, gas furnace, mercury switch: I think the next thing is to un-screw it from the wall. Then look on the back for the wire screws. Make a drawing of what color hooks up to the T-stat. Mark the code from the t-stat to each wire color. They may be the same or different. No way to tell. Then...
Heating, Air Conditioning, Fridge, HVAC: HVAC thermostat removal for replacement, mercury switches, programmable thermostat
mercury switches, programmable thermostat, gas furnace: Most thermostats have three parts. It sounds like you have taken the front cover off, now there are at least two screws that hold the portion with the mercury switches to the sub base where all the wiring is located. Make sure the unit power if off to prevent...
Heating, Air Conditioning, Fridge, HVAC: HVAC thermostat wiring, wireless thermostat, thermostat wiring
wireless thermostat, thermostat wiring, condenser unit: The brown wire is your common from the transformer. The red is the hot wire. You will need to wire up the new stat to the same wires, and add the new common wire to the brown wire. You can add to the lenth of the wire with a wire nut as long as the wire...
Heating, Air Conditioning, Fridge, HVAC: HVAC training, food service business, commercial refrigeration
food service business, commercial refrigeration, occupational experiences: Hello Nick, you are exactly correct that on the job experience can not be replaced by anything else. The best advice if possible in your area would be to enroll in a refrigeration course at the local community college. Our area has several with hands on experience...
Heating, Air Conditioning, Fridge, HVAC: HVAC trouble shooting, copper pipes, air grills
copper pipes, air grills, hvac unit: John, I m not sure what your heating/cooling system is exactly or where it is in your house? If you have a cooling coil in a furnace and again you didn t say where it was like in an attic a basement a closet on the roof or some other location, there are...
Heating, Air Conditioning, Fridge, HVAC: HVAC Unit needs to be repaired or replaced, trane xe1000, gmail
trane xe1000, gmail, hvac company: It is hard to find a good a/c company out there, the best thing to do is to ask around. I would get several estamates and see what your impression of the company rep is like. If you have a split system, consider replaceing both sections. Due to the fact...
Heating, Air Conditioning, Fridge, HVAC: HVAC Unit for park model, emergency heat, heat strip
emergency heat, heat strip, blow air: Peggy, When in heating mode is the outdoor unit coming on at all? Is it possible that you have strip heat only and that the strips are not coming on, 1 thing to try is to set the thermostat to emergency heat and see if your system produces heat. Depending...
Heating, Air Conditioning, Fridge, HVAC: HVAC Unit Stops Blowing, motor shaft, cooling coil
motor shaft, cooling coil, clean filter: Stephen, You could have two problems with your A/C unit. The inside unit is the air handler, it has a cooling coil inside and a blower, there is an air filter, the filter needs to be clean or the coil and the lines can become frozen over, this is the inside...
Heating, Air Conditioning, Fridge, HVAC: What is my HVAC unit, hvac unit, tonage
hvac unit, tonage, gmail: Well, I am not familiar with the GE line, but looking at the Model number you have given me I would have to guess that is is a 2.5 ton. You can also figure on 400-600 sqft/ton of ac. As far as the age, I do not know how to read the serial number to tell....
Heating, Air Conditioning, Fridge, HVAC: HVAC unit comparison, energy efficiency ratio, seasonal energy efficiency ratio
energy efficiency ratio, seasonal energy efficiency ratio, self contained units: CWilson, Heat pumps efficiency ratings are labeled SEER-10 to SEER-12-14, some claim 16, the higher the number the more efficient in the amount of electricity they use. Where a 12 SEER might use 23 AMP s a 14 SEER would use 21 AMP s. SEER means seasonal energy...
Heating, Air Conditioning, Fridge, HVAC: HVAC unit freezing up, air dampers, dirty filters
air dampers, dirty filters, clean filter: freddy, About all I can say is your not getting enough return air passing through the coil. The longer the A/C is running the cooler the return air gets and Proubly after twelve hours or so it s cold enough to start icing over which just cuts down on the...
Heating, Air Conditioning, Fridge, HVAC: HVAC unit/heat pump system, refrigerant charge, unit heat
refrigerant charge, unit heat, condensing unit: Mark it is more complicated than it seems. You would first leak test the unit. If the unit needs refrigerant it has leaked out. The unit needs to be leak tested with nitrogen to locate and repair the leak. After the leak is repaired, a deep vacuum needs to...
Heating, Air Conditioning, Fridge, HVAC: HVAC unit, cash flow problem, seer rating
cash flow problem, seer rating, service contractor: Bad compressors can not be un-seezed with a blow, pressure etc. The bearings are bad. Just like a car motor that seezes up. It is shot. Sorry. BUT,, $3000 for a new one is out of line. Hell, I could bring you one from Montana & install it, for less. (&...
Heating, Air Conditioning, Fridge, HVAC: HVAC/Ventilation, attic ventilation, tom bergin
attic ventilation, tom bergin, heat buildup: My question would be how old is your system and what tonnage is your system versus your house square footage. It is possible that your unit is just not large enough to cool the system down to 73degrees as that is very cool. I doubt if that much air is sucked...
Heating, Air Conditioning, Fridge, HVAC: HVAC v. HW Base Heat and Allergies, dust mites, hvac system
dust mites, hvac system, recent technological advances: David, Dust mites and pollen that will be floating around in the air in your home are going to be regardless of what your heating/cooling source is. A forced air system doesn t manufacture dust and pollen, it takes in the air from the living area, heats...
Heating, Air Conditioning, Fridge, HVAC: HVAC ventilation, bedroom doors, air vent
bedroom doors, air vent, upstairs room: Giles, Tell me what the one return air vent is. What size grill opening dose it fit. How dose the air get from the grill to the furnace. What size are all the passages that the air passes through to get to the blower. Where is the filter. what size is...
Heating, Air Conditioning, Fridge, HVAC: HVAC vents drip water, drip water, ac unit
drip water, ac unit, central ac: The cool air hits the side of the ducts (metal). The metal cools (like a glass with ice in it). The sides then drip. You could turn the fan to ON & let it run 24 hours a day. This would tend to dry up the moisture between cooling cycles. The other option...
Heating, Air Conditioning, Fridge, HVAC: HVAC vertical install, fan motor, electrics
fan motor, electrics, bearings: please be advised that units that r to be vertically mounted should be designed for that purpose as the fan motor fan bearings may seize if run in a position different from design as to secondary drain trays this is always adviseable as a backup in the...
Heating, Air Conditioning, Fridge, HVAC: HVAC WHISTLE, motor bearings, air leaks
motor bearings, air leaks, fan switch: Got to be an air leak. Can someone be at the furnace & another at the thermostat? If so, turn cool to off & using the fan switch only ,turn the fan on, after a few seconds turn off & see if the whistle can be located. You can even take off the door to access...
Heating, Air Conditioning, Fridge, HVAC: HVAC WIRING, wire jumper, wood boiler
wire jumper, wood boiler, speed wire: I do not believe this can be done very easily. The fan being a variable speed has a controlling device to sense the required fan speed, and altering the controls would also require altering this device as well. A technician familiar with this specific Trane...
Heating, Air Conditioning, Fridge, HVAC: HVAC water supply lines, tankless water heater, hot water heater
tankless water heater, hot water heater, tankless hot water heater: no problem...you can still use those lines. You can install a tank to store hot water. The tankless water heater will not run at hard if the water entering it is already hot. It also helps the a/c unit run just a bit better by removing more heat from it....
Heating, Air Conditioning, Fridge, HVAC: HVAC water supply lines, hot water heater, hvac technician
hot water heater, hvac technician, hvac system: I need further clarification. If this is a standard water heater, they will not interconnect, and in any case the water lines will never interconnect. If this is a water heater that is supplemented by the outdoor unit of the air conditioner to assist in heating...
Heating, Air Conditioning, Fridge, HVAC: HVAC not working, reset button, contactor
reset button, contactor, gmail: There might be a reset button, but is also could be any number of things from a bad contactor to a compressor. The only way to tell is to use a meter and check the unit out. Do you have 24v at the t-stat, you need to check with a meter... Craig achelpguy@gmail.co...
Heating, Air Conditioning, Fridge, HVAC: HVAC not working, amp fuse, troubleshooting ideas
amp fuse, troubleshooting ideas, fan switch: If no inside fan runs when fan switch is turned on test for 110 volts thru the wall switch or furnace. Then test for 24 volts at the transformer.Next, check the 3 amp fuse on the circuit board. Next, open the access panel on the outside unit & manually close...
Heating, Air Conditioning, Fridge, HVAC: HVAC working at times, automatic thermostat, programmable thermostat
automatic thermostat, programmable thermostat, condensing unit: In response to your question, you may have a fan motor on the condensing unit pulling high amps during the heat of the day and going out on internal overload you may have a service company check this for you hope this helps you some have a great summer!!!!!!!!!!!!!!!Dal...
Heating, Air Conditioning, Fridge, HVAC: HVAC not working, central ac, contactor
central ac, contactor, fuses: An electrical check at the outside unit is needed. I suspect the 220 volt contactor is bad. Call a shop for the repair, unless you know electricity & how to be safe & trouble shoot. If so, check the fuses outside at the unit, one could be blown ($2). It...
Heating, Air Conditioning, Fridge, HVAC: HVAC York Gas heater furnace won't start, gas valve, volt meter
gas valve, volt meter, volts: Does your draft motor come on? That s the first step in a call for heat. If the draft motor comes on and the ignitor will not light then it sounds like the gas valve. Check with a volt meter to see if you have 24 volts to your gas valve.At your ignitor you...
Heating, Air Conditioning, Fridge, HVAC: HVAC, electric furnace, hvac unit
electric furnace, hvac unit, heat strip: Jill, I m not sure exactly what you have? If it is an Electric Furnace, or if it is a Heat Pump with an auxiliary heat strip. There could be several reasons why your unit is doing what it dose, Can t really diagnose it on the Internet. One thing that comes...
Heating, Air Conditioning, Fridge, HVAC: Hvac, ac unit, hvac systems
ac unit, hvac systems, thermostats: Specific controls and thermostats for the HVAC systems are very numerous and hard to determine the exact ways to reset certain things. I suggest a little online searching through the category or brand of your specific thermostat. From there you can download...
Heating, Air Conditioning, Fridge, HVAC: Hvac Blown Fuse issue, amp fuse, tail signs
amp fuse, tail signs, blown fuse: I do know that the c connection is the side of the transformer that is grounded to the unit. Remove the jumper to ground and then check. Also the wires to the thermostat are what supplies that board you need to check them and all low voltage loads at the unit...
Heating, Air Conditioning, Fridge, HVAC: Hvac Coils, coleman furnance, c unit
coleman furnance, c unit, freon: Yes, Brad. The hot air from the furnace also flows thru the evaporator coils. That s way too much to pay for that cleaning job. Get a couple more bids. I pull the coils & hose it off in the yard with water. About $150 if it s not too much work to pull. Freon...
Heating, Air Conditioning, Fridge, HVAC: Hvac condensation drainline, pvc piping, drip pan
pvc piping, drip pan, gravity flow: Chuck, The internal drip pan is the main drip pan, the drip pan should be at least level or better yet a slight pitch towards the drain connection. The drain line can be run to any convenient location, the drain line needs to run down hill because it is...
Heating, Air Conditioning, Fridge, HVAC: Hvac contactor, reversing valve, contactor
reversing valve, contactor, heat pump: The reversing valve is controlled by the thermostat with 24 volts. You can have a 110/220 coil on the valve & be controlled by a 24 volt relay. You never know other than checking the schematic.Reversing valves are generally normally open for heat, activated...
Heating, Air Conditioning, Fridge, HVAC: Hvac goodman ck42-1c, fan motor, thermal overload
fan motor, thermal overload, room temp: Test the run capacitor first. Got a VOM? Use the highest ohm setting & test across the terminal after removing cap. A full swing & sudden drop of the meter says it s OK. Most likely the problem. Motor shot if cap. is OK. Bad windings. Compressor can be hot...
Heating, Air Conditioning, Fridge, HVAC: Hvac installation, top of the line models, writing central
top of the line models, writing central, central montana: When it is not in writing, it is smoke & mirrors. (mostly bull) Get it in writing. Central Wash. (mild climate). At least compared to here (central Montana). We hit -40 every winter. Anyway, get a furnace at about 92% AFUE & up, two stage heat, two pipe (very...
Heating, Air Conditioning, Fridge, HVAC: Hvac motor continuous, circuit breakers, fan switch
circuit breakers, fan switch, auto fan: Robert, There is a switch that says auto/fan/on What dose that mean? Did you turn the switch to auto? Did your blower stop running all the time? Where is the switch in the furnace? Could you try and be a little more specific with what your asking...
Heating, Air Conditioning, Fridge, HVAC: Hvac relocation, heat registers, cooling coil
heat registers, cooling coil, attic space: Steve, A little more information would help. There are different type furnaces, up-flow, down-flow and horizontal, there are universal any position type furnaces, which do you have? Are you planing a new furnace or relocating your existing furnace? Dose...
Heating, Air Conditioning, Fridge, HVAC: Hvac, allexpert, degree difference
allexpert, degree difference, panhandle area: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: Hydronic Baseboard heat system, baseboard heat, inch brass
baseboard heat, inch brass, baseboards: Nichole, Can you tell at the boiler where the piping for the upstairs starts. Do you have a thermostat for upstairs as well as downstairs. Most baseboards have small bleeds at the ends of the radiator itself, small quarter inch brass fittings with a standard...
Heating, Air Conditioning, Fridge, HVAC: Hydronic Baseboard heat system, baseboard heat, tire valve
baseboard heat, tire valve, heat system: It is common for a system to get air in it that will prevent the water from rising to the upper piping. Look for air bleeds that are similar to a tire valve on the piping at a high point and usually at each heater. The valves will have a cap on top, remove...
Heating, Air Conditioning, Fridge, HVAC: Hydronic heating problem, external water supply, gas water heater
external water supply, gas water heater, hydronic heating system: Thanks for the question. O.K. I see a couple of different problems. If the pressure relief valve opens (I m guessing that this is what fills the bucket) then your pressure reducing valve (or water inlet valve) is not working correctly. Your system should...
Heating, Air Conditioning, Fridge, HVAC: h/w heater, hot water heaters, heating element
hot water heaters, heating element, raeding: John, on all hot water heaters there is only one element on at a time, beacuse of amp draw. first the upper element heats, then as soon as the thermostat shuts off, it trasfers power to the lower element. The upper element heats the top 1/3 of the tank, and...
Heating, Air Conditioning, Fridge, HVAC: half the moble home has no air flow in vents, flex duct, moble home
flex duct, moble home, gmail: The duct work that goes to the side that is not working needs to be checked. Although they run on the same unit, each side has to be connected to the unit. Check to make sure it is connected. It could also be kink or pinched off as they use flex duct to...
Heating, Air Conditioning, Fridge, HVAC: halstead hero boiler, insulators, boiler
insulators, boiler, home today: again a suposition i would look for a dry joint on the pcb where any plug in connectors fit onto the board i mught see signs of burning or instead of a solder blob looking shiny it might look dull and cracked. i would possibly resolder all the joints...
Heating, Air Conditioning, Fridge, HVAC: handleing refrigerators, appliance parts, home appliance
appliance parts, home appliance, campion: Dear Richard, I do not recommend laying a refrigerator on it s side to move it at all. If you must, wait a minimum of 8 to 10 hours in the upright position before plugging it back in. 99.8% of the time you will be just fine. If you need further...
Heating, Air Conditioning, Fridge, HVAC: hard start kit, wholesale supply, c company
wholesale supply, c company, supply houses: Sue, You can purchase anything on line, I buy from wholesale supply houses so I can t direct you to a particular site. A hard start is easy to install and would save a bit on the power needed to get the compressor going of a few seconds but after that...
Heating, Air Conditioning, Fridge, HVAC: hard start kit for outside ac, variable speed compressors, whirlpool fridges
variable speed compressors, whirlpool fridges, solid state relay: Tim, A hard-start kit is basically a solid state relay and capcitor combination. The capacitor will give a little boost of voltage to the compressor to start it. It helps with older units. There is no guarantee that it will last though. Some may work, some...
Heating, Air Conditioning, Fridge, HVAC: hard start kit, connect one, capacitor
connect one, capacitor: I have no way to send a diagram, but if it is a typical hard start capacitor with only two wires, it connects to the existing capacitor by leaving the old capacitor in place and connecting one wire to each of the capacitor terminals. If it is a three connection...
Heating, Air Conditioning, Fridge, HVAC: Can hear water in vents, hot water heater, mold growth
hot water heater, mold growth, jerimy: Jerimy: You don t mention whether the ducts are accessible. If they are, just take them apart to drain the water out; if they re buried in a slab, you ll need a pump and hose. The most important thing is to verify they re clean and free of mold, etc. ...
Heating, Air Conditioning, Fridge, HVAC: No heat, emery cloth, flame sensor
emery cloth, flame sensor, type element: Louie, there is a flame sensor in the burner compartment that the burner burns onto, it s a wire type element and has a wire that goes to the circuit board. Clean the element in the burner compartment gently with a piece of emery cloth or fine sand paper...
Heating, Air Conditioning, Fridge, HVAC: no heat, programable thermostat, combustion air
programable thermostat, combustion air, questin: Does the combustion air blower motor run? Does the igniter glow? Need to know if these events are occurring or not to try & pinpoint the problem. THe sequence is: motor runs, closes an air switch, lights the igniter, turns on the gas, igniter turns off, blower...
Heating, Air Conditioning, Fridge, HVAC: heat......, modular houses, water pipes
modular houses, water pipes, thermastat: Modular houses are not known to be well insulated.You never know how much insulation is in the floor where the water pipes are located.If you are not using the home at all in the Winter I would suggest putting a non toxic chemical like the travel trailer people...
Heating, Air Conditioning, Fridge, HVAC: heat, furances, carrier corp
furances, carrier corp, comfortmaker: John, I think Bryant is as good as any and I think as any is as good as Bryant. In my day Bryant, Payne, and Day and night furnaces were all the same, all made on the same assembly line and they also made Carrier while they were at it. Last I checked Bryant...
Heating, Air Conditioning, Fridge, HVAC: No heat, new furnaces, furnace filter
new furnaces, furnace filter, air handler: Sounds like an Up Flow furnace. The heat rises from the burners. The duct on the floor will never get warm or hot. It is the return air from the house. The return air gets heated & pushed into the house. Did you remove the filter & make sure it is clean....
Heating, Air Conditioning, Fridge, HVAC: No heat from a 1993 Goodman, goodman furnace, brain box
goodman furnace, brain box, vaccume: When the fan blows cold air that is a default setting from the brain box. Unscrew the fuse for 5 seconds. Then screw back in. or any other means of killing the juice to the furnace. That will reset the brain box. Then the furnace should start (if the T-stat...
Heating, Air Conditioning, Fridge, HVAC: no heat, air vents, thermostat
air vents, thermostat, furnace: meng yang, It could be a lot of things wrong? You need to take the cover off of front burner/control compartment and see what exactly your furnace is doing. Turn your thermostat down all the way to reset your furnace and then try again while you observe...
Heating, Air Conditioning, Fridge, HVAC: heat, heat pumps, packaged systems
heat pumps, packaged systems, split systems: James, I will need to know a lot more about what type of system you have. Here is a description of types of systems. I will also need to know what type of heating you have (gas, electric, heat pump). If you can get me a model number off the unit label it...
Heating, Air Conditioning, Fridge, HVAC: no heat, printed circuit board, limit switch
printed circuit board, limit switch, low speed: Don, We need to determine what type of circuit brings on the fan. Is the furnace old enough where it has a combo fan limit switch or does it have a printed circuit board. There are a few things you can check after you determine the type of control, and...
Heating, Air Conditioning, Fridge, HVAC: No heat, hot surface ignitor, flame sensor
hot surface ignitor, flame sensor, gas jets: Peter, Since the flame is not lighting at all then the code could not be caused by the flame sensor (it would at least have to light first). Since the hot surface ignitor is glowing but no flame starts then there is a problem getting gas to the burners....
Heating, Air Conditioning, Fridge, HVAC: heat, air registers, duct insulation
air registers, duct insulation, air infiltration: Jaci, There are a lot of ways to go to chase down the problem you describe. The problem you describe may not be ducts at all, but could be an undersized system, a poorly performing furnace, an inaccurate thermostat, the wrong blower motor speed, inadequate...
Heating, Air Conditioning, Fridge, HVAC: no heat, heat unit, hair line
heat unit, hair line, air heat: T. Rowe, It all depends on what your unit consists of and what the extent of the break is whether or not it might keep the unit from working or not? If the break is more then a small hair line crack it could be dangerous to use the unit at all. It s illegal...
Heating, Air Conditioning, Fridge, HVAC: no heat, hot water bottles, flexible pipes
hot water bottles, flexible pipes, oil tank: hot water bottles where the oil ling is above ground may help gentle heat or circulate the oil in emergency you coul run two flexible pipes to tank so oil can flow to boiler excess then could be pumped back to the tank and warm contents DO NOT heat with...
Heating, Air Conditioning, Fridge, HVAC: no heat, bryant furnace, flame sensor
bryant furnace, flame sensor, emery cloth: James, I can probably be more helpful if you will send me the full model number of your Bryant furnace. The number is located on a tag in the burner compartment. Low gas pressure could be a problem, but is not very common. It appears that you are having...
Heating, Air Conditioning, Fridge, HVAC: heat AC split gas unit 2 ton, efficiency options, ac system
efficiency options, ac system, carrier 13 seer: Jaye, 19 years old and in need of a major repair is a great time to consider a replacement, I would stay away from the Goodman line and consider the Carrier first and then the Amana. I definitely would not go with a heat pump, although it is upstairs and...
Heating, Air Conditioning, Fridge, HVAC: heat/ac duct, johnstone supply, fiberglass insulation
johnstone supply, fiberglass insulation, lumber yards: A plenum gets too hot for any kind of a foam . Use fiberglass insulation. Wrap the metal & tape the insulation (metal tape)(duct tape is only good for a few years). Look at a Johnstone Supply (wholesale HVAC), store for what you need. They sell to, shops,...
Heating, Air Conditioning, Fridge, HVAC: no heat/no air conditioning, gas furnace, allexpert
gas furnace, allexpert, capacitator: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: heat & air duct work, floor furnace, fiberglass duct
floor furnace, fiberglass duct, floor heating system: You must live in Oklahoma....Keep in mind when installing this unit. Each and every time this unit needs serviced, someone has to crawl under your home. How many servicers still want to do that. Don t you have a closet you could use to house the blower...
Heating, Air Conditioning, Fridge, HVAC: is there heat in this air handler, rheem air handler, allexpert
rheem air handler, allexpert, home appliances: Hello Stan, Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances,...
Heating, Air Conditioning, Fridge, HVAC: heat/air unit, fan switch, heat air
fan switch, heat air, thermostat: Brenda, Are you concerned with the indoor or outdoor unit? What is the noise like - the blower trying to start or something else? Do you have the model number of the unit you are concerned with? Was the thermostat replaced or any work done recently on...
Heating, Air Conditioning, Fridge, HVAC: heat and air unit in condo, drip pan, drain line
drip pan, drain line, wet dry vac: Your drain probably goes to a common drain. I would suck out the drain at the unit itself. If you are not sure, I would ask the maintance crew in your condo where the drain drains to. I would guess they should know. You may have a backed up drain, and...
Heating, Air Conditioning, Fridge, HVAC: heat and air unit drain problem, drain pump, drain line
drain pump, drain line, wet dry vac: If the pump failed, I would seem to think water would be overflowing out of the pump itself. More then likely you have a plugged up drain line, and it just needs to be cleaned out. I wet/dry vac will work to suck out the drain line and remove the blockage....
Heating, Air Conditioning, Fridge, HVAC: heat and air unit, refrigerant issue, indoor coil
refrigerant issue, indoor coil, flow 2: Terri, The frost is the beginning of a system that is icing up the indoor coil. The main reasons that systems ice up are: 1. Bad air flow. 2. Setting the thermostat too low. 3. Slightly low on refrigerant. To de-ice a system, set your thermostat...
Heating, Air Conditioning, Fridge, HVAC: heat/air, awaiting surgery, heat air
awaiting surgery, heat air, cooling fan: Sorry for the delay but you have most likely made a repair. I was injured and am awaiting surgery and this is the first time I have been able to use a computer. The site has suspended me for lack of response, I hope you understand. I am requesting reinstatement...
Heating, Air Conditioning, Fridge, HVAC: heat anticipator setting, intertherm electric furnace, heat anticipator
intertherm electric furnace, heat anticipator, allexpert: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: No heat; automatic igniter not lighting, diamond model, electric switch
diamond model, electric switch, power switch: Ronald, Turn the thermostat up, go to the furnace, turn the electric power switch off, wait a few seconds, observe the control compartment, turn the electric switch back on, see if the pilot igniter glows, see if the burner lights or if you hear gas even...
Heating, Air Conditioning, Fridge, HVAC: heat bill way to high, temp gauge, night period
temp gauge, night period, go to zero: check that his thermostat is working (use a thermometer) dropping the temp 1 deg will save a bit of cash also make sure the temperature drops low or goes off during the night period some go to zero and some drop to abt 14 deg c. make sure the pipework...
Heating, Air Conditioning, Fridge, HVAC: heat and blower will not shut off, white violet, strip heat
white violet, strip heat, brown wires: Eric, The unit you have is called a package unit and yours is a package air conditioner. If you have heat in the same unit then optional electric strip heat has been added. There is nothing really tricky about the controls on your unit, so it sounds...
Heating, Air Conditioning, Fridge, HVAC: No heat, Clothes dryer, gas valve, valve assembly
gas valve, valve assembly, glow light: Why don t you close out this forum and email us directly. I would like to send you a picture of the gas valve assembly and test points along with resistance readings. To close out, simply fill out the rating questionaire as you deem fit. Copy and paste...
Heating, Air Conditioning, Fridge, HVAC: heat & a/c combination units, combination units, question thanks
combination units, question thanks, tempature: Billy, First let me say that I don t work with through the wall or window units, I don t have any source for makes, models or sizes other then searching the Internet. If you want a heating and cooling unit your probably going to have to go with a larger...
Heating, Air Conditioning, Fridge, HVAC: heat&a/c, sure what type, runor
sure what type, runor, fan control: Dee, I m not sure what type of fan control is in your unit? When your thermostat is in the cooling mode the blower relay takes over and the compressor, the blower, and the condenser fan all start at the same time and go off at the same time. When your thermostat...
Heating, Air Conditioning, Fridge, HVAC: no heat call, tempstar furnace, flame sensor
tempstar furnace, flame sensor, smart valve: Eric, When your thermostat calls for heat the vent exhaust blower comes on, the exhaust blower has a pressure switch that closes from the air blowing in a tube and proving that the exhaust blower is on, when the exhaust blower proves it s on the pilot ignition...
Heating, Air Conditioning, Fridge, HVAC: No heat from clothes dryer, thermal fuse, electrical fuse
thermal fuse, electrical fuse, heater coil: Basically Joe......You do need 220 volts to complete the circuit to the heating element. Obviously, one of yours is missing. Did you start at step one or step three? I see all the voltage readings and resistance checks but step one is to verify you have...
Heating, Air Conditioning, Fridge, HVAC: no heat coming out, just air, allexpert, home appliances
allexpert, home appliances, hvac service: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: heat doesn't work, rogers electric, white rogers
rogers electric, white rogers, volt power: Ryan, Instead of shorting the red and white wires, disconnect the wire from the R post and the W post on the thermostat, lightly touch the two wires together and see if you can get a spark, If there is a spark twist the wires together and see if the heat...
Heating, Air Conditioning, Fridge, HVAC: heat duct sizing, heat duct, registers
heat duct, registers, duct sizing: Randy, You can put as many registers on a 6 round duct as you want or as you can fit in. If you have two registers they ll both deliver about one half of what one is delivering now. Adding a register won t increase the heat it just divides the existing...
Heating, Air Conditioning, Fridge, HVAC: heat ducts, oil furnace, filtration system
oil furnace, filtration system, heat ducts: duct cleaning is good if there is an issue with smells or when we start with a good filtration system. the reason we like wrapping ducts is it allows even temp in the homes. before I decided i would measure the temp closet to the system against the temp furthest...
Heating, Air Conditioning, Fridge, HVAC: heat exchange heating system, eletric, heat exchange system, lennox heating
heat exchange system, lennox heating, sequencer: Roughly how old is this system? If it appears to be older (50 s) you probably have a sequencer out. These old systems need a sequencer that is not made any more. A tech will have to get a new style sequencer & re-wire it. It takes a bit of thinking but...
Heating, Air Conditioning, Fridge, HVAC: heat exchanger luke warm after LP conversion, appliance repair technician, heat exchanger tubes
appliance repair technician, heat exchanger tubes, air plenum: Bill. You need to first know the temperature rise of the furnace. Let the furnace run for 5 minutes then take a temperature reading in the hot air plenum and then in the cold air plenum. Subtract the reading of the cold air from the reading of the...
Heating, Air Conditioning, Fridge, HVAC: heat exchanger, cracked heat, old person
cracked heat, old person, repairman: Hello Bob, Unfortunately we do not work on heating systems, so I am unable to advise you as an expert. As a plain old person though, I cannot understand why he could not show you. Even if it costs a few extra dollars to rip it down to show you. I...
Heating, Air Conditioning, Fridge, HVAC: heat exchangers, water heat exchangers, type boilers
water heat exchangers, type boilers, wood furnaces: the best type of heat exchanger would be the inox honeycomb type these are flat plate on plate design utilised in many combinaton type boilers. but ensure that the whole unit and pipe work is encased in good quality waterproof insulation. (aircon intulation...
Heating, Air Conditioning, Fridge, HVAC: No heat from Furnace, safety button, diagnostic code
safety button, diagnostic code, blower motor: That code , tells me, that a safety has been tripped & needs to be re-set. Follow thw wires from item to item. Look for one with a red button on it. Press to re-set. Usually there is a flame roll out safety. Look by the burners. The safety devices are...
Heating, Air Conditioning, Fridge, HVAC: No heat and fan won't turn off, service mechanic, carrier hvac
service mechanic, carrier hvac, voltage terminal: Jay, Do you have a multi meter, you can check the roll out limit it should be just above the burner, should have red or blue wires going to it with a small button in the center of it, push the button if you hear a click it was tripped. The fan limit is...
Heating, Air Conditioning, Fridge, HVAC: no heat from furnace, vent cap, pilot light
vent cap, pilot light, betty betty: Betty, When your thermostat calls for heat the first thing that happens is the vent exhaust blower starts (I asked in my firs answer I don t know if your vent exhaust fan comes on? ) I still don t know? The vent exhaust fan when it runs closes a pressure...
Heating, Air Conditioning, Fridge, HVAC: No heat when it gets really cold, air mixture, heat unit
air mixture, heat unit, heat exchange: Hello Tim. If the unit is over ten years old, I would have it inspected every year for cracks in the heat exchange. It takes a lot of abuse, and a full season is a lot of stress on it. Second, I would have the chimney or vent inspected and be sure it is clear....
Heating, Air Conditioning, Fridge, HVAC: No heat from Heat Pump, reversing valve, heat pumps
reversing valve, heat pumps, room temp: MOST HEAT PUMPS REST IN HEAT MODE EXCEPT RHEEM OR RUUD SYSTEM WHICH REST IN COOLING. IF IT IS NOT ONE OF THEM THEN IT SHOULD NOT BE THE VALVE. THE VALVES HAVE A COIL TO ENERGIZE THEM IF YOU OHMN IT OUT IT SHOULD READ 12-18TRY REPLACING IT FIRST. A VALVE DEPENDING...
Heating, Air Conditioning, Fridge, HVAC: Too much heat from Hot water baseboard system, hot water baseboard heat, water baseboard heat
hot water baseboard heat, water baseboard heat, thermostats: The valves are to service a specific heater, while in operation I would not turn them off. The only thing you can do is turn off the main heater circuit and turn it back on as needed. There is no simple way to shut down an individual heater. Thanks, ...
Heating, Air Conditioning, Fridge, HVAC: No heat with heatpump, downstairs unit, puff of smoke
downstairs unit, puff of smoke, upstairs unit: From what you are telling me, it is hard to figure out what the problem is. If the air flow of the 1st unit is low, check and make sure the filter is clean. I am not sure what the smoke/dust is. It could just be cold air and a moisture causing the problem,...
Heating, Air Conditioning, Fridge, HVAC: heat keeps going, electric heat, circuit breaker
electric heat, circuit breaker, thermostat: Anthony, Possibly a shorted control wire, the relay you replaced, is this the relay for the electric heat or something different. With the unit turned off at the circuit breaker pull the wire to the coil of the relay and tape it, turn the breaker back...
Heating, Air Conditioning, Fridge, HVAC: heat's perfect, allexpert, home appliances
allexpert, home appliances, hvac service: Thank you for your request. Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, refrigerators, microwaves, dishwasher, ranges and ovens. If you need help with any of these appliances, feel free to submit another...
Heating, Air Conditioning, Fridge, HVAC: heat pump, electric low voltage, electric circuits
electric low voltage, electric circuits, heat strip: Billy, You may have 24 volts to the thermostat but is the thermostat switching that power to the necessary control, control s depending on which mode the thermostat is set to. All thermostats and heat pumps are not the same and you should have a wiring diagram...
Heating, Air Conditioning, Fridge, HVAC: heat pump, furnace heat, moderate temperatures
furnace heat, moderate temperatures, cold area: an air conditioner removes heat from a given space and a heat pump can either remove heat from a space or add heat to the space depending on what the requirements are at a given time. The thing about heat pumps is that there are a lot of different kinds from...
Heating, Air Conditioning, Fridge, HVAC: heat pump, heat pump, thermostat
heat pump, thermostat: Jim, Just about every component you ve got can hum under the right conditions. Your outside unit is the Heat Pump if that s what s humming. About all I can tell you is to check your thermostat wires, remove one wire at a time from the thermostat and see...
Heating, Air Conditioning, Fridge, HVAC: heat pump, carrier heat pump, problem thanks
carrier heat pump, problem thanks, 3 things: It has been my experience the problem is 99% of the time in the circuit board. Replace the circuit board and see if this cures the problem, even if this does not correct it, save the old board as it will need replacing before this units life ends. Let me know...
Heating, Air Conditioning, Fridge, HVAC: heat pump, hunter programmable thermostat, voltage side
hunter programmable thermostat, voltage side, voltage wires: It is common when changing a stat with the power on, the transformer gets shorted out when two low voltage wires touch. Locate the transformer, it is usually in the fan section. Be sure there is line voltage feeding it and 24 volts leaving the transformer....
Heating, Air Conditioning, Fridge, HVAC: heat pump, hunter programmable thermostat, gas furnace
hunter programmable thermostat, gas furnace, air handler: Scott, Check your breaker again, The outside heat pump is on a separate breaker from the inside air handler. Push the breaker off all the way to reset it and then turn it back on. Check your thermostat wires from the thermostat to the air handler and to...
Heating, Air Conditioning, Fridge, HVAC: heat pump, mercury switches, gas furnace
mercury switches, gas furnace, posistion: Hello Don. First, most defrost boards do not have fuses. It is a mystery why the a/c works, but it will not operate in heat. I can not think of any safety that would not shut it down in heat and a/c. It may very likely be the defrost board, but a technician...
Heating, Air Conditioning, Fridge, HVAC: heat pump, johnstone supply, weather king
johnstone supply, weather king, motor shaft: Kurt, Squirt some oil down the motor shaft where it comes out of the motor that may free it up so it runs, if your smelling burnt it s probably to late. You can probable surf the web and find one that you can order. Myself I would go to Johnstone Supply...
Heating, Air Conditioning, Fridge, HVAC: heat pump, heat pumps, heat strip
heat pumps, heat strip, air handler: francesca, Your inside unit, the one that blowing out cool air is an air handler. Your outside unit is the heat pump that supply s the heat to the coil inside unit. You need to see if the outside unit is running? Most air handlers inside have an auxiliary...
Heating, Air Conditioning, Fridge, HVAC: heat pump, gas furnace, heat coil
gas furnace, heat coil, ac coil: You are exactly correct and to me this would be an ideal system to have the heat pump as primary heat and a/c and the furnace as the back up heat. As information, my units are now 14 years old and on an 18 degree night, my heat pump will produce 83 degree...
Heating, Air Conditioning, Fridge, HVAC: heat pump, blower works, heat strip
blower works, heat strip, refrigerant charge: Vic, I don t know what you have exactly? Is it a self contained unit or a split system. A heat pump split system with an air handler inside and a condensing unit outside usually also has an electric back up heat strip. If nothing is working except the blower...
Heating, Air Conditioning, Fridge, HVAC: heat pump, labor warranty, air handler
labor warranty, air handler, goodman: JC, Since your A/C system is less than one year old it is under both parts and labor warranty. Any repair you may attempt yourself could void that warranty. Call your installing contractor and get them out to fix it. It should not cost you any money at...
Heating, Air Conditioning, Fridge, HVAC: heat pump, heat pumps, correct question
heat pumps, correct question, loss gain: Bruce, I have seen heat pumps handle from 200 sq. feet per ton to almost 800 sq. feet per ton. The size of the heat pump is not the correct question to ask. The heat loss/gain of the room or home is the correct question. Once you know the heat loss/gain...
Heating, Air Conditioning, Fridge, HVAC: heat pump, stage pumps, txv
stage pumps, txv, reversing valve: I agree, it sounds like a restriction. I would test the check valves first at the TXV. In heat mode, the check valves on the outdoor coil at the TXV should be preventing the refrigerant from passing through and in turn feed the TXV. If they are not leaking...
Heating, Air Conditioning, Fridge, HVAC: heat pump, refrigerant lines, upstairs unit
refrigerant lines, upstairs unit, wire bundle: Terri, The most common cause of an outdoor unit that will not shut off is a stuck contactor. There is also the possibility that there is a defective thermostat or a shorted control wire. Do not do this unless you feel comfortable working around 240 volt...
Heating, Air Conditioning, Fridge, HVAC: heat pump, heat pump, hairdryer
heat pump, hairdryer, west virginia: Jill, You probably have a defrost control on your heat pump (inside the outside unit) that s not working or not set as it should be. Otherwise you just have to apply heat to melt it, a hairdryer or something of that nature? There should be a wiring diagram...
Heating, Air Conditioning, Fridge, HVAC: heat pump, correct voltage, heat pump
correct voltage, heat pump, thermostat: Randy, I m not sure what your doing? If I were wiring a thermostat I would follow the wiring diagram with the thermostat and the diagram with the unit (pasted on the inside of the blower compartment door?) Typically The R and Y wire twisted together would...
Heating, Air Conditioning, Fridge, HVAC: heat pump, sorry for the confusion, togather
sorry for the confusion, togather, heat pump: Hi Phil. I led you astray on my last answer. The wires to the contactor do not come directly from the transformer.Heat pump wires can be a variety of colors & the contactor wires to the coil can be any color since the outside unit has switches that control...
Heating, Air Conditioning, Fridge, HVAC: heat pump, square foot area, v tach
square foot area, v tach, foot ceilings: In response to your question,the wall unit that you are talking about are good systems and yes they are efficient they have to meet Federal standards for SEER just as central units do this units are commonly called V Tach units the normal sizing for these...
Heating, Air Conditioning, Fridge, HVAC: heat pump, meter check, volt meter
meter check, volt meter, contactor: Hi John, I would start with the contactor having burned points that can t make contact. Locate it in the outside unit & look for burning of the points.If you have a volt meter check for power on both sides of the contactor when calling for cooling.Try that...
Heating, Air Conditioning, Fridge, HVAC: heat pump?, programable thermostat, heat pumps
programable thermostat, heat pumps, home depot: Depends on how many wires you have on the back of the old thermostat. If there are 5 wires, then it is not a heat pump. If there are 7 or 9, then you have a heat pumo. Always remember to write notes on exactly which wire color came off of which screw on the...
Heating, Air Conditioning, Fridge, HVAC: heat pump, cooling coil, simple answer
cooling coil, simple answer, air flow: Belinda, You need to check the cooling coil inside under the house and see if the coil is froze over? Sounds like something obstructing the air flow, dirty filter, furniture blocking the grills? Run just your fan (no cooling) and thaw out the coil, take...