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 ...
2024 has brought additional energy efficiency mandates that are poised to have ripple effects on builders and homeowners nationwide. The U.S. Department of Housing and Urban Development (HUD) and the ...
Builders have had to wrestle with ever-increasing energy code requirements for almost two decades. Even though the national model energy code, the International Energy Conservation Code (IECC), has ...
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