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There are 28961 articles in 2902 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Restarting Chest freezer

March 12, 2017, 2:16 am

I'm the guy with 12 chest freezers used in my business. I have two freezers that are hard to get started if left not running for long, otherwise they cool fine and run at or below -10*F. When e... Read more »

Supply Registers (6" Round)

February 20, 2017, 12:30 am

How many supply registers (6 round) can a 5 Ton AC unit have? Specifications: Maximum CFM: 4,046 Cooling BTU's: 59,500 SEER: 16 Read more »

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 »

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The best rated discussions

AC Sizing and compatability rating: 5

My son and I bought a foreclosure for he and his wife to live in. We are having Gas heat and electric AC put in. My son is in construction and was given the name of an HVAC company who gave us a grea... Read more »

Furnace Filter Szie rating: 5

This summer we had a new Trane furnace and air conditioner installed. The furnace filter size was left the same size from the old unit. I was told by someone that when they had their furnace upgraded... Read more »

Emerson/White Rodgers "Cool Savings" feature, help to understand.... rating: 5

I have an Emerson thermostat that claims to have a feature called cool savings... I tried to Google this feature and Emerson says its designed to adjust the programmed set point temperature during ... Read more »

Trane TWR030C heat pump, poor performance.. rating: 5

  [ 2 ]

I have a five year old Trane TWR030C heat pump. As this heating season started I noticed it running excessively. With a measured airflow over the indoor coil of 1100CFM and an outdoor temp of 45Deg... Read more »

Ruud, Goodman, Trane, Carrier overstock site Ductless AC and Gas Furnaces rating: 5

I found a new site, doesnt look like its quite ready yet but it has some pretty smoking prices on 16 SEER AC systems by RUUD and Weatherking etc. Anyone heard of these guys? www.acoverstock.com Lo... Read more »

overiding a thermostat rating: 5

I have an 18000BTU Fedders room airconditioner. It has a digital thermostat setting. Usually every night I set the temp on 68 degrees to sleep by but invariably the temp just automaticaly goes up to ... Read more »

HVAC run and start capacitors rating: 5

  [ 2 ]

Which HVAC capacitors are most likely to fail? (run caps, starting caps or does it matter) If there a brand that's better then the rest?. It appears they all come from Mexico or China. I can't see... Read more »

What is the max temp for a condenser fan thermal overload? rating: 5

At what temp will a standard G.E. 1/5 hp, 825 rpm 230v. condenser fan motor trip the internal thermal overload? I googled it, but came up empty. I have a customer that has a motor thats getting hot... Read more »

134a discharge pressures rating: 5

I work on some old equipment (ice chests, from Leer). The older R-12 units used to run about 150 to 170 discharge pressure. The R-134a units run more like 225 to 250 or so. Anyone else seen this? ... Read more »

System 2000 Inducer Runs continuously rating: 5

I have a Energy Kinetics System 2000 oil fired boiler in a home I recently purchased. The inducer ( a fan that draws air through the exhaust pipe in a chimmneyless installation) runs almost continuou... Read more »

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