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Old 02-29-2012, 08:58 PM   #1
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Wall air conditioners

I've got a 24,000 BTU through the wall air conditioner trying to cool a rectangular room about 650 square feet with high ceilings. From what I read online prior to purchase, this size was enough to cool the whole area, but it isn't cooling. It's a new AC and I'm wondering if it might be defective. Can anyone offer any input on whether or not they think my unit is powerful enough, and if so recommend what I can try to get it working properly? To HVAC technicians typically service wall units, or just central systems?

Thanks for any feedback


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Old 02-29-2012, 09:07 PM   #2
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That sized unit in that small an area should have frozen you out of there.
My mini split is 25,000 and I'm heating and cooling 850 sq. ft. with no trouble.
Have you checked the filter?
Any A/C company should be able to take a look at it.


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Old 03-01-2012, 07:52 AM   #3
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You can check to see if the unit is working by taking a temp reading in front of the intake air and the exhaust. A difference of 15 degrees F or better and the unit is functioning. Listen for the compressor to kick on and make sure it is not bumping off soon after starting. Make sure the outside air flow is unobstructed and actually blowing good during operation. If the unit is not working right you may be better off returning it to where you bought it for another one.
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Old 03-01-2012, 07:20 PM   #4
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Thanks for all the input, I'll look into your comments
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