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Techman
Techman Member Posts: 2,143
in A-C, Heat Pumps & Refrigeration
does it cost to run an AC system, from a comfortable 72*F down to a really comfortable 67*F? This is on a 15t ,2 stage unit.I'm not looking for a $ ammount, more of a kinda/sorta % of increase in cost per degree type of thing!

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  • meplumber
    meplumber Member Posts: 673
    I had a chart somewhere.

    There was a percentage savings per 2% that was published by DOE or ASHRAE a few years back.  I will try and find it.
  • meplumber
    meplumber Member Posts: 673
    sorry.

    2 *deg not 2%.
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