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There are 29211 articles in 2950 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

Oil Tank Not Full But Whistle Sounded


October 4, 2018, 7:18 pm

Had a fuel delivery today. Got a call saying the guy could only pump like 20 gallons before the whistle went off indicating it was full. However, there is no way possible the tank is full because we ... Read more »

06E compressor


September 20, 2018, 8:19 pm

The compressor comes on, nearly silent. If the compressor didn't wobble, af ter shutdown, I would not know it is even running. Before I remove the valv e covers to check the valve plates, Can someo... Read more »

Charge level issues with dehumidifier s


September 18, 2018, 2:08 pm

Question about characteristics of proper charge on a dehumidifier. I have 2 malfunctions dehumidifiers (one 2 months old, one 2 years old, both given to me with no warranty info) with basically the s... Read more »

Outside AC condenser unit


September 16, 2018, 3:46 pm

Smelled wires burning inside home for 2 weeks , not located by any professional just replace the melted wires with # 14 wire ? And did it burn the contact switch ? Need help today ! Also turning off ... Read more »

Wet blanket in oil fired boiler r& r


September 13, 2018, 3:30 pm

When removing the old blanket etc., I found the part on the front and back seemed to have been held on by some kind of silicon. What kind is it? Thanks Read more »

swamp cooler blows black stuff


August 8, 2018, 10:43 am

I have a new side draft swamp cooler that blows a very fine black substance, almost like a powder, that makes me think the belt is somehow involved. It isn't mold....the pads aren't black, the water ... Read more »

Replacing a TRANE high efficiency XB1000???? Help


August 1, 2018, 1:51 am

My ac recently went out on me and I am unsure about replacing it with a used unit for a lower cost, or going ahead and buying a brand new one. I'm selling my house in the next year and was hoping to... Read more »

Set filter replacement interval


July 28, 2018, 1:05 am

Honeywell RTH7500. Good thermostat; horrible instructions! The manual states that the interval can be changed but doesn't provide instructions on how to access those settings. Stupid oversight. Read more »

Someone help me please! A/C questions

  [ 2 ]
July 21, 2018, 4:35 pm

Yesterday, the actual temperature got to 110 degrees F. and my 6year old a/c decided to go on the blink. First, I changed the filters, they were a little past due. Then, I checked the thermostat... Read more »

Heat Pump stops while cooling (before reaching temp set on thermostat)


July 17, 2018, 4:25 am

My father-inlaw (82) has a heat pump that is behaving badly. If I pull the power, and replace it, after a few minutes, the unit will start to cool. It will run, sometimes for a good amount of tim... Read more »

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The best rated discussions

Nashua 557 Duct Tape - How does it hold up??

rating: 5

This weekend I'm going to spend some time in my crawl space tuning up my duct system (flex duct). By tuning up I plan to ensure runs are adequately supported and well connected to junction boxes. ... Read more »

chiller question

rating: 5

I am not an hvac worker and I'm pretty ignorant of all things hvac, but I do know a little about chemistry. Hence my question ... When our chiller is being worked on here in this large (12 floors) b... Read more »

Trane Heat Pump: Permanent 24v to Reversing Solenoid?

rating: 5
  [ 2 ]

I have a Trane heat pump, installed when the house was built in 1995. I also have a nice gas furnace. I am currently using the furnace for heat and use the Heat Pump for A/C only. I'm concerned a... 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 »

removing the old screw from thermocouple

rating: 5

i'm trying to remove the old screw from the thermocoupler. it's the one that's attacted to the gas vavle. it won't move. 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 »

a/c dripping into drain pan in attic

rating: 5

I've never noticed this before but now my central unit a/c drips into the drain pan (attic) so I'm wondering if this is a sign of low freon? Unit is about 8 years old and I think it's a trane bran... Read more »

Furnace air cleaning systems...

rating: 5

I have a question on an electronic air cleaner. We are new home owners in Canada. Hot summers cold winters no spring or fall so basically our blower is on 10 months a year either heat or cooling. ... Read more »

Honeywell Humidicalc Recommended Instead of Outdoor Sensor? (Automatic Humi...

rating: 5

[Note: also posted in alt.home.repair, but I'd also like to get any helpful information from this group.] Is there a consensus whether Honeywell's Humidicalc is better or worse than using an actu... Read more »

Which Motor -- GE vs A.O. Smith?

rating: 5

I need to replace my 1/4 HP 230v 1075 RPM outside condenser fan motor. The current motor is a FASCO, but I can't find a FASCO dealer near me who sells to the public. I can get either a GE or an A.... Read more »

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