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There are 28928 articles in 2895 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Service contractor install TXV in pouring rain


December 3, 2016, 7:41 pm

Nightmare experience with a local Frederick, MD HVAC business. Contractor showed up to install TXV previously diagnosed as bad, in pouring rain, despite the fact that we had called 2 days earlier and... Read more »

Re: T.E.C.H. METHOD MAINTENANCE INSPECTIONS by Gary R. Lloyd CMS


November 15, 2016, 4:18 am

is there any way to still find the books by gary r lloyd ??? i have been looking for more then 2 years. please someone reach out to me and help me out. Read more »

trane xe 60 pilot light goes off when furnace goes off


November 12, 2016, 4:36 pm

My Trane xe60 furnace pilot goes out each time that the furnace stops heating and I have to relight the pilot. Read more »

Condensation


November 12, 2016, 3:47 pm

We enclosed our outside patio. We notice heavy condensation running down the lowest wall. Our side walls are insulated however the aluminum roof isn't. If we insulate the outside patio roof with Styr... Read more »

Trane XL20i Defrost Cycles


November 3, 2016, 11:50 pm

We have had a problem with the Trane XL20i going into way too many defrost cycles. Trane has been out with their tech guys and checked everything but it still will defrost way too many times. The... Read more »

Pump restarts every 8 secs


October 31, 2016, 2:14 am

For the past two weeks my beckett cb151ul for the furnace, goes through a pump cycle every 8 secs. Any suggestions on what I can do to fix it, or should I get a replacement? Read more »

Amana Air Command NG 80 SV


October 22, 2016, 11:18 pm

I turn off my Gas every Spring, now that it is Heating Season, I had the Gas Co. turn on the Gas, then turned the Thermostat to Heat and turned the Thermostat up in order to Call for Heat. At first,... Read more »

Rotary compressor


October 14, 2016, 5:53 pm

Read more »

Propane weight


September 24, 2016, 3:28 pm

500gal propane heating tank -how much does the gas alone weigh? Read more »

Packaged air unit


September 6, 2016, 4:19 am

Mobile home with furnace. Packaged air unit outside. Whoever hooked up the ducts from the packaged unit just spliced into the existing ducts. So now the air flows out up through the furnace. How do ... Read more »

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The best rated discussions

Flame Rods Coleman furnaces..... rating: 5

I have a 13 year old Coleman nat gas furnace with a two stage gas valve and igniter, not a pilot light. I've only owned this house for 4 months but the service records on this furnace seem to sugg... Read more »

outside condenser: which pipes get insulated rating: 5

  [ 2 ]

For a central residential AC system, for the two copper pipes going to the outside condenser unit (outflow/inflow), which copper pipe(s) should the insulation be placed around? And what purpose does ... Read more »

Homeowner question: replacing my home heat and AC system... rating: 5

  [ 2 ]

I have a ten year old York forced air gas furnace with the AC compressor outside. I'm considering replacing it. What do you profressionals consider the top two brands in terms of quality and realia... Read more »

OLD Rudd Furnace - Burner will not stay lit. rating: 5

  [ 2 3 4 ]

Rudd Model= UGAA-10EC, Serial #=TN3D104 M2779 3228 Electronic Ignition Furnace (Spark) Problem: Originally, the pilot light worked but the main burners would not light. I cleaned the Flame Sensor t... Read more »

Periodic Smell rating: 5

I am getting a periodic odor in the house while central unit is running. It smells very much like very old oil-base paint which has been opened. What does a coolant leak smell like? Read more »

74db vs. 70db rating: 5

Hi, Looking at some ODU, between 74 and 70db, would it make a noticeable difference? I don't want to annoy my neighbor with too much noise. I am comparing Carrier Comfort and Performance series unit... Read more »

Need wiring diagram for Lennox condenser 10AC42-3P rating: 5

  [ 2 ]

Does anyone have a wiring diagram for a lennox condenser (10ac42-3p)? I have a Lennox condenser unit which has blown a few wires and the leads going into the capacitor. The blown cap doesn't have a... Read more »

Honeywell Electronic Air Cleaner Question rating: 5

Hi, I have a Honeywell Electronic Air Cleaner in my home. Model Number F300A. The unit was installed when the home was built (2006) and sits on top of a Trane XB80 Downdraft Gas Furnace. I've not... Read more »

Exploding furnace. rating: 5

  [ 2 ]

Hello! I seem to have a problem with my (25 year old) furnace. it will run for a few minutes ( up to 20) and then there is what sounds like an explosion and the furnace turns off. when I check it the... Read more »

Most efficient water heater? rating: 5

  [ 2 ]

I'd like to switch to a direct vent water heater. Looking at the A.O. Smith site I get confused with all the models. Efficiency information is hidden. There is no convenient chart to distinguish the... Read more »

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