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There are 29193 articles in 2945 discussions. See the most recent and the best rated articles in HVAC Discussions

The most recent discussions

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 »

Hot downstairs help

July 4, 2018, 1:40 am

Hello All, Trying to get some advice regarding an area of my home that gets hot. I live in two story home and just had both HVAC systems replaced. Have two stage systems on both. One is 3 ton that i... Read more »

Air conditioner indoor fan won't shut off

June 26, 2018, 12:35 pm

Air conditioner indoor fan won't shut off unless I use the circuit breaker. Can anyone let me know how can I fix this issue? Read more »

New HVAC issue

June 12, 2018, 10:13 am

Hi all, Thanks for your advice in advance. I bought a condo in February this year. New HVAC system installed in December 2017. Goodman 2 ton with a compressor on the roof. First day of needing the A... Read more »

Two bedroom return vents got covered during renovation. Is it critical that...

June 7, 2018, 3:09 pm

New home owner here. We had the first floor renovated before we moved in, and had new sheet rock put up everywhere. I noticed after we moved in that the return vents in each of the two bedrooms were ... Read more »

Furnace makes an electrical noise/hum even though the thermostat is set to ...

June 7, 2018, 2:50 pm

First time home owner here. The house has an American Standard Freedom 80 natural gas forced air furnace, I believe the unit is a 2016. I noticed lately, since I've turned the thermostat to the OFF p... Read more »

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The best rated discussions

Safe to open window sash with installed AC (with brackets)?

rating: 5

I have an LG LW1804ER window air conditioner that was professionally installed in an apartment building window. It does have support brackets outside that angle from the bottom-back of the unit and ... Read more »

heat pump repair/replace?

rating: 5

Hello, I've got a HEIL heat pump (details below) that keeps blowing the circuit breaker. I replaced the 60A dual breaker today. I've tried having the unit controlled to Off and turn the breaker... 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 »

really quiet central AC/dehumidifier?

rating: 5
  [ 2 3 4 ]

I have only about 1000 sq ft of house to cool. I live in NY State. Very damp here, and in the summer, hot. I'm willing to pay more for central AC/dehumidifier that's really quiet. What would... Read more »

CSST or Flex connectors thru cabinet

rating: 5
  [ 2 ]

With the problem of lightning burning thru the thin wall of CSST, and subsequent bonding requirements now enforced by code officials, is running CSST or flexible gas connectors thru the side of the... 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 »

Wine Cooling Unit

rating: 5

I have a wine cooler/refrigerator which has quit working. I think it may need to be recharged. (it looks like a small window air conditioner). Will a local air conditioner be able to recharge (R134... 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 »

Portable A/C on wheels as backup in case the central AC dies?

rating: 5
  [ 2 ]

I'm considering getting an extra portable AC on wheels for the bedroom (which is upstairs) in case my 20 year old central AC were to suddenly die. That way, I'd be able to get some sleep at nigh... 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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