Quote:
Originally Posted by John V.
Moral of the story, if your unit is pre-2000 and you use the AC a lot, you may find that the payback on a new unit is relatively short based on electric savings. Up north might not be as dramatic as your AC will run less often.
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This is 100% true, especially if you have a variable speed compressor and fan (rather than the old traditional 1 or 2 stage compressors) which allows it to run more and more efficiently and use less power to keep the house regulated.
I put a multi stage compressor system in my house and my electric bill (E. TN) dropped $150-175/mo in the spring and summer months AND the house was cooler and drier.