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There are 29281 articles in 2977 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

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 »

Honeywell TH8000 VisionPRO Thermostat Issue

January 8, 2020, 10:23 pm

Our Honeywell TH8000 series thermostat started running at 60 degrees and the change filter display was flashing. I checked the furnace and the light was flashing for intake obstructed. I change the f... Read more »

Furnace flue brown goo/liquid leak

December 21, 2019, 10:41 pm

I have a goodman (gms80805cnbd) conventional natural gas furnace (installed 2017). i have brown goo/liquid dripping from inside the flue pipe to the outside of the flue pipe at a connection junction.... Read more »

Heat stopped working a week ago, thermostat says AUX Heat, here is what I h...

November 20, 2019, 12:47 am

I have a Lennox system XP14-036-230-10 CBX32MV-048-230-6-07 Installed 4yrs ago prior to my purchasing and moving into a 1600 sq. ft. ho me (town home mind you-inside unit). Last Wednesday my in... Read more »


November 19, 2019, 12:48 am

Wait circulator Me 65 Read more »

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 »

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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 »

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 »

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 »

Duel fuel system question. York gas furnace

rating: 5

I'm running a duel fuel system up here in PA and just about ready to install a high end 98% York gas furnace system... running a heat pump down to 27 degrees. Do I need a bonnet sensor or something... 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 »

Upside down Liquid Line Solenoid

rating: 5

What do you think would happen if a Splorlan LLS where installed coil down? Read more »

Question....Customer just called asking about Jet fuel

rating: 5

for in an oil furnace. This person selling it says it is OK for oil furnaces and has the same BTU content as Fuel oil WHAT SAY all of YOU 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 »

Flame adjustment and gas Valve on Bryant 397haw036080

rating: 5

I was wondering if anyone knew how to adjust the burner on my Bryant 397haw036080 furnace. It doesn't have the usual sliding door on the end of the burners, just a screw right through the middle. A... Read more »

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