WSEC 2018 went into effect in February 2021. With WSEC 2018, builders earn credits by upgrading a variety of components or improving the structure performance.
Read moreAir Leakage & Windows
The Efficient Windows Collaborative is a great resource for understanding efficient windows and air leakage. The EWC is a nonprofit, 501(c)3 organization that partners with window, door, skylight, and component manufacturers, research organizations, federal, state & local government agencies, and others interested in expanding the market for high-efficiency fenestration products. Combine these tips with our…
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