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The Regulation Catch-Up

The Regulation Catch-Up

Published on June 4, 2015

Last updated on October 19, 2021 3:53 pm


Understanding U.S. Energy Codes and Standards

Energy codes play a key role in helping us reduce our energy consumption. They set the mandatory requirements for new building construction and major renovations.

The nation’s top three building energy codes and standards—Part 6 of Title 24 of the California Code of Regulations, the International Energy Conservation Code (IECC), and ANSI/ASHRAE/IES Standard 90.1—are used by nearly every U.S. state as the basis for local building energy codes. These codes and standards reflect the importance of using lighting controls to conserve energy. In fact, they all have very similar mandatory lighting control requirements that designers and engineers must meet for new construction and major renovation projects.

Take a moment to look at your state’s regulations: U.S. Energy Code Regulations by State Tool.


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