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There are 29227 articles in 2957 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Lennox furnace filter

January 4, 2019, 12:01 am

I have an old Lennox furnace with a hammock style filter. The air flows up but the filter is at the bottom. One side of the filter is blue, the other side is white. I can’t figure out whether the b... Read more »

gas furnace Bryant 383kav high limit switch part #

December 2, 2018, 12:22 am

Hi everyone! Need original part number for Bryant 383kav024070 gas furnace - high limit switch Just moved in, and got series of furnace problems. Some are solved , but one - code 33, I don't know h... Read more »

Old Trane Furnace

November 20, 2018, 12:53 am

Hello, everybody I am Gregg and I am new to your group great stuff! I have a Trane system I think it's about 28 yrs or so old, but it still wor ks, my problem is that the blower motor died; the Mod... Read more »

4 year old Baxi condensing boiler

November 12, 2018, 9:53 pm

Prior posters seem to confuse combustion air with convection air heated by the pumping of hot water throughout the house - just sayin'..... Now, MY EXPERIENCE: I have a 4-year old Baxi Duo Combi c... Read more »


November 9, 2018, 10:30 pm

Brand new ac 3.5 tons its runs great as soon as it shuts of its turns right back on after 2 3 minutes also new thremosta Read more »

I have a blower motor with 5 wires red yellow orange blue black.

November 4, 2018, 7:29 pm

I want to repurpose the motor but I don't know what the wires are for Read more »

Round registers w pull chain

October 17, 2018, 2:30 am

Personally I would like to know about the question about the registers, which as far as I can tell was not addressed. You people just went straight to insulting the guy or anyone who did not insult ... Read more »

Oil Tank Not Full But Whistle Sounded

October 4, 2018, 7:18 pm

Had a fuel delivery today. Got a call saying the guy could only pump like 20 gallons before the whistle went off indicating it was full. However, there is no way possible the tank is full because we ... Read more »

06E compressor

September 20, 2018, 8:19 pm

The compressor comes on, nearly silent. If the compressor didn't wobble, af ter shutdown, I would not know it is even running. Before I remove the valv e covers to check the valve plates, Can someo... Read more »

Charge level issues with dehumidifier s

September 18, 2018, 2:08 pm

Question about characteristics of proper charge on a dehumidifier. I have 2 malfunctions dehumidifiers (one 2 months old, one 2 years old, both given to me with no warranty info) with basically the s... Read more »

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The best rated discussions

Honeywell RTH230B outputs 12 volts

rating: 5

Hello: I have a Honeywell RTH230B thermostat connected to a gas boiler. The other day the furnace did not fire when the thermostat called for heat. Through the process of elimination I determined t... Read more »

Payne heat pump freeze up

rating: 5

Dear Turtle, Saw your answers on Google and was impressed. You seem to be the Tech for me! I live in Augusta, GA area. I have a Payne split unit. No trouble in summertime. Winter comes along ... Read more »

possible to replace solenoid in Goodman gas valve

rating: 5

The solenoid shows infinite resistance even with switch on. Ergo no ignition. Is it possible to replace just the solenoid of a Goodman B12826-28 gas valve (Gemini 36G22Y)? If so, how difficult is t... Read more »

geothermal runs constantly

rating: 5

Charlie ------------------------------------- Charlie ------------------------------------- My Water Furnace heat pump runs constantly, or nearly so. I have burned out 3 control boxes in the past 3 y... Read more »

Wired my Aprilaire model 60; Furnance Always On?!?

rating: 5
  [ 2 ]

Hi.. i wired my new Aprilaire humidifier exactly as directed to an older Lennox furnace. The furnace now turns on, no matter what the thermostat setting. It has something to do with the C connection... Read more »


rating: 5
  [ 2 ]

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 »

Running a mini refrigerator upside down?

rating: 5

Hey everyone, I am looking to build a kegerator and can't find a mini fridge without a shelf at that bottom. Ideally the shelf should be at the top like this unit.. http://www.beveragefactory.com... Read more »

gas furnace Bryant 383kav high limit switch part #

rating: 5

Hi everyone! Need original part number for Bryant 383kav024070 gas furnace - high limit switch Just moved in, and got series of furnace problems. Some are solved , but one - code 33, I don't know h... Read more »

Is it legal to sell Freon 22 on Craigslist?

rating: 5

I'm in Oregon, USA. I have about 20# of Freon 22 that I've had for decades. Don't think I'll ever use it. I'm getting conflicting information on whether it's legal for me to sell it. It's probab... Read more »


rating: 5

I got a replacement condenser fan motor, old one was a GE and was told Gentec bought the GE motor division. Anyone know who sells Gentec condenser fan motors I searched the part # on the GE and Gente... Read more »

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