For general questions regarding cooling your home.

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173 views

How to insulate this portion of split AC Pipe?

I bought a new Hitachi split AC lately which isn't cooling as much I was expecting. I checked for leaks/bad installation and found this. (This is connection point of external pipe and pipe which ...
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2answers
383 views

Acceptable to install whole-house evaporative cooler with only a single supply vent?

My new house has a 20+ year old evaporative cooler on top of the roof. The cooler is ancient and rusted, difficult to service due to the location, and the forced air heating ductwork it feeds into is ...
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109 views

Are wall air vents a potential problem?

A house I'm looking at has A/C vents in the walls, rather than in the ceiling or floor. I've never lived in a house with air ducts in the walls. Can I expect to have problems? The house was built in ...
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0answers
124 views

What steps are required to convert R-22 Freon to a new R-410A Puron system?

I am house hunting in Houston. Every 2000-2004 house we've seen so far uses old A/C Unit and coils for R-22 Freon and not the newer R-410A Puron. Reference: ...
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1answer
1k views

Do I need a sleeve for through the wall air conditioner in new construction?

I am about to buy a through the wall A/C unit for a small building, which the builder will frame out for the A/C. Is the framing enough, or do I need to buy a sleeve for A/C?
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137 views

Two A/C units are close to each other and turning one on turns the other on. How to fix?

I had an Air Con unit installed in the Living Room and another in a bedroom adjacent to the Living Room, both from the same brand. The Air Con units are actually next to each other, and only ...
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0answers
35 views

Is my heat pump's condenser fan motor bad? [duplicate]

The other day my AC stopped working. I'm thinking the condenser fan motor has gone bad (unit is ~10 years old). Here is what I did to troubleshoot which led me to believe it was the fan motor. ...
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1answer
615 views

How do I use a vaporizer/humidifier? [closed]

An attic has been converted into a bedroom and it's very uncomfortable to sleep in, the air is very dry. I bought a humidifier but it didn't come with instructions. This may be a silly question but I ...
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1k views

A/C system reports Limit Switch Stuck Open

Unit is a York GM9S080B12UP11G. When switching thermostat to cool, the system activates the compressor fan. Also, I can hear gases moving through the pipes running to the compressor. However, the ...
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6answers
29k views

Why does my Central A/C Keeps Blowing its Fuse?

For years, my A/C condensing unit has blown a fuse once, maybe twice a year. It's 27 years old now and blew a few fuses last spring. Now it blows a fuse every few days. So, I replaced a bad running ...
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1answer
21 views

What percentage of window AC depth is outside? [closed]

My HOA has a restriction of 16 inches depth on outside for a window A/C so wanted to know if a total depth of 21 inches for an AC is going to be fine. Thanks