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Old 09-04-12, 11:44 AM   #1300
charlesfl
Helper EcoRenovator
 
Join Date: Dec 2009
Location: Pensacola Florida
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I found a free computer program that can be run in windows by Lawrence Berkley National Lab called THERM.
It can be use to find heat loss of house through different materials. Can be downloaded from

LBNL Windows & Daylighting Software -- THERM
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