HVAC Discussions - Main Page

HVAC Discussions Heating, ventilation and air conditioning.. This forums is a Web, Mobile and Social Media interface to alt.hvac.
There are 28947 articles in 2900 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Tempstar furnace, pilot light turns on then off in 1 second

January 4, 2017, 12:38 pm

I have a Tempstar natural gas furnace. It has electric element for ignition of the pilot. It was working fine all December. Now, it does not work as follows: the draft fan starts and runs correctl... Read more »

New 95% furnace... can i use the old roof hole?

January 3, 2017, 4:57 pm

I want to replace an old 80% furnace that vents through the roof. But I don't need a new roof, and I'm hesitant to disturb the old shingles. Is there a kit that lets me put a high-eff concentric ve... Read more »

Trane Heat Pump

December 29, 2016, 3:29 pm

I have a Trane heat pump system that's about 20 years old in my house. Model # TWE036C140B0. I recently self installed a new Honeywell thermostat, and while it runs fine my energy bill has been incre... Read more »

Sparks seen in Baseboard heater

December 23, 2016, 8:30 pm

I live in a Condo Apartment. It has quite old baseboard heater. It was quite loose and displaced from the wall so I was trying to tighten its screws and then found that it sparks when it moves. Its w... Read more »

reznor propane heater

December 17, 2016, 10:15 pm

Why does my reznor burner shut off every couple of minutes? Read more »

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 »


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 »


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 »

Click here for other recent discussions »

The best rated discussions

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 »

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 »

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 »

Dogs drinking from the AC rating: 5

Friend of mine, in TX. Got a couple puppies. They like to drink the water that drips from the window AC. She asked me if that's dangerous for the dogs. I have an opinion, but I'm curious what the f... 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 »

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 »

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 »

What triggers defrosting in a Tempstar SmartComfort TX 5300? rating: 5

  [ 2 ]

I am wanting to check to see if there is a possible problem created in my Air Handler which might be happening when the Heat Pump enters into a defrost cycle, but I'm not sure how long I have to wai... Read more »

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.