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 ...
Illinois is the latest jurisdiction to release a stretch energy code that provides standards for communities to mandate more efficient building construction. St. Louis, Mo., and a few states, ...
The Aurora City Council is set to vote Tuesday on a proposal to update the city’s building codes, which are several years out of date. Currently, Aurora’s building codes are based on the 2015 ...
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