Originally Posted by
stick47
I might agree on the ceiling part of your theory (though you haven't convinced me) but I surely will disagree on the roof part. The more dead space between you and the shingles on your roof, the less heat that will be transferred into your climate controlled living area.
We went from a home with 8 ft ceilings and an attic above that was maybe 5 ft high to one with 10 & 11 ft ceilings and an attic over 16 ft high. The new house is 2.3 times larger than the old house but the summer electric bills are averaging 25% less.
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