ICC used its new—and controversial—consensus standard process to develop the 2024 IECC, rather than having U.S. building officials vote on the final draft. Sustainability advocates are censuring the ...
Illinois' new energy conservation code is mostly based on the 2021 IECC, which the U.S. Dept. of Energy has found can yield an average 9.38% site energy savings on average. Illinois implemented a ...
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