air changes per hour

New Air Sealing Requirements in the 2009 International Residential Code

Posted on March 04,2015 by user-756436 in air barrier

One of the most cost-effective ways of lowering residential energy costs is to reduce a home’s air leakage rate, so it makes sense for energy codes to ratchet up air-sealing requirements. The latest (2009) version of the International Residential Code does exactly that.

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