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Old 04-26-11, 06:01 PM   #14
Lex Parsimoniae
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Join Date: Feb 2009
Location: Woburn, MA
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As the price of heating and cooling get higher in the coming years, I'm trying to
imagine what people will do to retrofit their 2x4 walls and lossy windows..

Adding two or four inches to the thickness of their walls and installing another window
on the inside, sitting in a frame built into their new layer of interior wall..
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