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There are 29257 articles in 2969 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Trane parts

November 2, 2019, 6:56 pm

My Trane central heat is blowing cold air and showing the error code for a defective high temp limit switch. I pulled the old one out and sure enough the sensor on the end is completely corroded away... Read more »

Starter or Cap for Motor ??

November 1, 2019, 1:30 pm

Hoping someone can help me here. I have a GE motor. It was used for a fan/blower I have lost the Starter/Capacitor (I don't even know which it uses) It has 3 Wires for the Starter / Cap. A Yellow... Read more »

Oil Tank Whistler

October 17, 2019, 3:16 pm

I have an oil tank in my basement that the delivery driver indicates that the whistle is bad. It's a newer tank and I've had the tank checked by my HVAC people who indicate it's working fine. *When ... Read more »

central air outside unit buzzing

October 16, 2019, 3:24 am

I'm a hardcore diyer out of necessity, that being said, I figure things out and am willing to get into almost anything. I'm in dead center fl, and my 5yr old ac is having issues. the compressor fan c... Read more »

Carrier thermostat

October 12, 2019, 4:26 am

About midnight, the thermostat gave off a high buzz, with a high note warning it was coming. It lasted for 25 minutes. At first I thought it was batteries. Took the thermostat off the wall. No batte... Read more »

[Survey] Building Energy Simulation and Optimization

October 11, 2019, 9:47 pm

Dear community, I'm a PhD Student and I need responses to this survey from users of Building Energy Simulation softwares to help me advance in my thesis. The survey only takes 3 minutes. Thank for ... Read more »

Spring location

September 14, 2019, 10:44 pm

The spring fell off where does it go Read more »

Need whole system recommendation on a 4800 sft home in the Charlotte, NC ar...

September 14, 2019, 5:51 am

Girlfriend is loaded so money isn't the main decider.... With that said, she has three Rheem split units with scroll compressors installed in '98, 2 two ton units and one five ton- all 12 SEER. I hav... Read more »


July 11, 2019, 7:43 pm

A/C popped blew a breaker and reset breaker A/C turns on but no cooling....shoot it? Read more »

Trane XL 80 not turning on

July 4, 2019, 6:17 pm

The unit (model: TXC037C4HPC0, serial: R435RF05G, mfg: 10/2000) was working well (over the last few years it was used primarily for the air conditioning function) until we got 16 inches of water in ... Read more »

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The best rated discussions

Fuel Oil Furnace, maintenance basics

rating: 5

I have a Fuel Oil Furnace heating my house. ... or NOT heating the house. I did service/maintain a fuel oil furnace back in the 70's for several years. I am now needing to maintain/service this fuel... Read more »

Need to braze some fittings - SilPhos15 or Stabrite??

rating: 5
  [ 2 ]

What's best for refrigerant fittings Staybrite silver solder or SilPhos15? No gap filling needed. These are standard copper connection fittings vs repairs. Read more »

Peerless boiler "insulation problem"

rating: 5

I have a relatively new 6 year old PEERLESS boiler that almost set my house on FIRE. Seems the insulation that surrounds the burners crumbled and fell on the burners diverting the flame down and si... 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 »


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 »

heat pump prices

rating: 5
  [ 2 ]

------------------------------------- sms9758 i am looking at a heat pump and prices quoted are 7000+ and then another 5000 for the lp gas backup. is this normal? Do I really need the backup gas ... 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 »

Pin hole on the body of steam trap

rating: 5

I have installed a steam trap at VAM just one year back. body material is cast steel, now just after one year of operation the body of the steam trap got leaked. its a pin hole and it looks like a pe... Read more »

Furnace reads 55volts on W ?!

rating: 5

hi.. While installing a humidifier, i discovered that this furnace is reading 55volts at W while idle and no call for heat (thermostat not even connected there either). Older Lennox. Terminal strip... Read more »


rating: 5

My home has a CARRIER 2-ton heat pump system. I live in southern Virginia, generally mild climate. It was installed in 1991 and is a SEER-10. It gets serviced and cleaned, regularly and appears ... Read more »

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