Quote:
Originally Posted by tubman
I have my cars in an insulated storage building with no heat 20 miles NORTH of Brainerd, MN. I am in Florida for the winter, and when I saw the forecast for low temps near -30 (no, not wind chill), I had a friend check my unit regularly. He says he has never seen below zero temperatures inside the building, which is only about 5 years old. I've known him about 40 years, so I think I can trust him. Gives you something to think about, though.
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Unless there is a heat source somewhere in the building, the insulation will just slow the drop to outside temperature. How much antifreeze are you running?