Posted 7/5/2012 17:29 (#2468349 - in reply to #2467726) Subject: Re: How many air conditioners....
10 year old, super insulated house, basement and two upper stories, 2,300 sq. ft. per, two 3 ton units in the basement, one in the attic. Second unit in basement hardly ever runs. Second house (daughter lives in it), 2,800 sq. ft., well insulated with a recently updated HVAC, 3 ton, runs about 60% during the day in these temps.