Only 20% of homes built before 1980 are considered well-insulated by the U.S. Department of Energy.
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Most Older Homes Under-Insulated
Posted by Megan Toth on 06/30/09. Email story
Story link | Filed under: Fast Facts
Only 20% of homes built before 1980 are considered well-insulated by the U.S. Department of Energy.
Posted by Megan Toth on 06/30/09. Email story
Story link | Filed under: Fast Facts