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Old 04-23-2010, 06:34 PM   #2 (permalink)
gone-ot walking...
Join Date: Jul 2009
Location: .
Posts: 6,191
Thanks: 179
Thanked 1,521 Times in 1,122 Posts's a seasonal problem:

1) you want to keep heat IN during the winter.


2) you want to keep heat OUT out during the summer.
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