Insulation resists the transfer of heat through it in either direction. In cooler seasons it helps keep heat in a building, and during the warmer seasons it keeps the heat out of the home. Attic insulation will help save energy in both cold and warm seasons.
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I'm thinking about adding attic insulation to save energy in the winter. Will it also help keep us cooler in the summer? How does that work?
Last Updated: December 01, 2011
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