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There are 29297 articles in 2984 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Big squirrel fan war shop fan

July 30, 2020, 12:33 pm

This motor has four wires coming out a red or yellow black and brown do I n eed to connect a capacitor it had a plug-in on the bottom are the motor fan speed I had did not have the plug-in so I cu... Read more »


June 9, 2020, 3:59 pm

??? Read more »

Why does my outdoor AC unit randomly run

May 29, 2020, 2:19 am

I've noticed my outdoor unit will turn on and run randomly, without the thermostat telling it to. It will even run if I have the heat on. I do have an separate air exchanger, could this be tied toget... Read more »

How to choose an HVAC company for an install?

February 19, 2020, 3:25 am

We're considering replacing a furnace and a/c system. From all that I've r ead the caliber of the installation crew is of great importance. What I'm struggling with is determining how to choose ... Read more »

Energy Star Heater

February 18, 2020, 1:33 pm

Hi everyone! My name's Sarah and I'm new to the Home Owners Hub community! I'm looking at home space heaters and see some are Energy Star Certified. It looks like the energystar.gov website is down? ... Read more »

help me fix my kenmore washer?

February 13, 2020, 5:05 am

its a top loader. model #11020622991 was working fine when it stopped during the wash cycle. go to restart it and all i hear is a hum any help is appreciated. Read more »

Ductwork: Which is better, from attic or crawlspace?

January 22, 2020, 8:06 am

I’m installing HVAC soon to a 1924 yr old home. A very nice crawl s pace only a little portion on knees the rest you can stand or bend over. Ho me has high ceilings. The whole system was torn out... Read more »

Seems this group died with the Stormin Mormon

January 15, 2020, 3:09 pm

I posted twice no response. Of course I do remember many of you feel you are the Rodney Dangerfield of technicians. No respect, I tell ya, no respect. Mikek Read more »

What does 3H/2C heat pump when programming a thermostat.

January 14, 2020, 10:23 pm

What does 3H/2C heat pump when programming a thermostat. Mikek Read more »

What inputs cause auxiliary heat instead of just heat pump

January 12, 2020, 4:35 pm

Hi all, I picked this up on another group. The guy is trying to time his home heating to correspond to the power companies times of low tier pricing. He says, The problem I have is the heat pump... Read more »

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The best rated discussions

Trane XE1000

rating: 5

Can someone tell me if the Trane XE1000 is a two stage heat pump? I've been to their site and the manual doesn't contain that information. Also, if that information isn't possible could someoen pl... Read more »

TXV Repacement $1100???

rating: 5
  [ 2 ]

Thanks for the help. I have a Lennox HP25-411-1P that is paired with a Lennox CB19-31-2P inside unit. I have been having problems with the compressor shutting off with a thermal shutdown. It is extre... Read more »

reasons blower fails to low

rating: 5

What should be the first things to check when a blower randomly fails to low speed after working properly? It's a TUD080R9V4k4 connected to rxco36s3hpdo and 4ttx4036a1000aa. Thanks for any ideas. Read more »

Trane XL 80 not turning on

rating: 5

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 »

What if R22 is inadvertently added to a Puron A/C unit (??)

rating: 5

If about 1 lb. of R22 were mistakenly added to a Carrier Puron A/C unit of 2 tons in capacity...would there be any detremental effect to the system ? Thanks. Read more »

Bi-Flow Clean-up Filter Driers in Inverter Splits

rating: 5
  [ 2 ]

What is the problem with placing bi-flow filter driers into the gas line of a inverter driven mini split system after or with a compressor replacement? Read more »

Another mini split question.

rating: 5

I currently have a 3 ton Trane that is on it's last legs. We have 2 mini split systems in this house already, one just for our bedroom that they could never get cold enough for my wife on the Tran... Read more »

Tool for opening and closing a/c vents

rating: 5

The vents for our a/c are supposed to open and close by turning something t hat I will try to describe - it is a small knurled post with a slot at the top, although the slot is large compared to w... Read more »


rating: 5
  [ 2 ]

Just moved into a house with a pretty old Carrier Heat Pump model 38BYB042300. Looks like both the dual run cap and condensor starter cap have been changed out at some time (not mounted correctly - ... Read more »

rating: 5

I recently replaced a Friedrich air conditioner which I bought back in 1991. The old unit (a SS12H10A) worked great for 15 years, needing nothing more than steam cleaning and lubrication every 2 year... Read more »

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