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Old 11-11-2009, 03:30 PM   #8
NCFischers
Montana Master
 
Join Date: Aug 2008
Location: New Bern
Posts: 4,372
M.O.C. #8728
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A good double pane window with a warranty (some have lifetime) will save you energy. The inert gas shouldn't leak out. That is your thermal protection. Inert gases do not conduct heat and cold as readily.
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