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10-05-2010, 03:34 PM #1
Delta T at lower outdoor temperatures ?
Can anyone provide a formula to calculate the delta T for an 8000 BTU air conditioner relating to various outdoor temperatures ? I have a neighbor running a noisy A/C at temps as low at 25 degrees. At what temperature, does running an air conditioner produce an inconsequestial delta T ? I imagine as the outside air gets colder and harder to compress, running a residential A/C becomes almost useless?
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10-05-2010, 06:35 PM #2
Re: Delta T at lower outdoor temperatures ?
Anything below 65*F is a waste and could harm the unit. If it is that noisy it probably is an older machine and not very energy efficient anyway.
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