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Air Sealing Attics

Air sealing is the most important job that a weatherization crew does. Closing up the leaks in a house keeps heated and cooled air from escaping to the outdoors. Along with being more energy efficient, houses without drafts are also more comfortable to live in. This lessons shows weatherization installers why air sealing is one of their most important tasks, and why air sealing in the attic is especially important.
Length: 02:24


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