For questions regarding a central cooling system for your home. This is typically a split system with an outdoor compressor/condenser and an indoor evaporator and air handler. Air ducts are used to cool air throughout the home.

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Issues after capacitor replaced on AC unit

Had a checkup on my AC/ furnace a couple weeks ago. The technician said the capacitor leaking oil and not pulling enough amps. He recommended me getting a whole new system. (My house was built 6 yrs ...
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1answer
93 views

Central air compressor fan reflects sunlight into house. What can I do about it?

I have a new construction and for whatever reason the HVAC installers placed the compressor right in front of a bedroom window. I don't have any complaints about the noise (it is actually pretty ...
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0answers
7 views

Eubanks 9 SEER air conditioning max circuit breaker size

Can a 50 amp breaker be used with a Eubanks 9 SEER air conditioning unit. We cannot read the plaque information. I bought the property and that is what is currently installed. It's an older unit ...
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0answers
39 views

Home still heating after unit is off

My wife and I just purchased our first house and we're having an issue with the house getting too warm. We usually set the thermostat to 65 while we're sleeping when the unit reaches that temp it does ...
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0answers
71 views

How to fix uneven central heating and air?

My central heating and air conditioning system does not heat my home evenly. Half of the house gets significantly warmer / cooler than the other half. I have tried adjusting the registers, but to no ...
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0answers
68 views

Quiet Ceiling Registers?

Our new central AC has a powerful fan because it sounds like a hurricane coming out of the bedroom ceiling registers. They're 14.5" x 14.5" edge to edge (so I'm guessing the actual opening is 12" x ...
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0answers
43 views

What to look for in central air installation?

I'm having an HVAC company install a York central air unit in my house today, and I'm wondering what things I should be looking for in the quality of the installation? Existing York central heating ...
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0answers
58 views

Why does the A/C come on downstairs when heat is on?

I just moved in to a 2-story house. It is zoned upstairs and downstairs. If I turn the downstairs thermostat to OFF and the upstairs to COOL, the HVAC in the attic comes on, the outside compressor ...
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0answers
102 views

Buying used heat pump/AC

I'm planning to buy and install a used heat pump/AC at some point in the near future (probably looking for sellers on Craigslist or similar), and want to know what I should look for to know if the ...
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0answers
156 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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0answers
96 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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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 ...