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when you drop the temps a fair amount for long periods like 8 hours you do save in heating costs...it takes less to maintain 60 than it does to maintain 70 in winter...but for 1 or 2 hours is it worth it? My Utility bills are 1/2 what my next door neighbor pays winter and summer in what is essentualy an identical house.
I do have a bit more attic insulation than they do too. THey have 4 inches blown in isulation.....I have 4 inches blown in topped by R-38 bats.
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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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