How much more
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!
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.