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 ...

An international organization that develops model codes and standards for new construction is quietly preparing an energy conservation code that opponents argue is a backdoor climate initiative and ...

An international group that develops building codes adopted by a wide swath of U.S. cities and counties abruptly pared back a plan to force new homes to be more climate-friendly. The International ...

Kansas City adopted stricter energy conservation codes in 2023, hoping that neighboring cities would follow its lead. Instead ...

The 2015 International Energy Conservation Code includes better controls for lighting and daylighting, and new HVAC technology. The proposed new code will increase the mandatory installation of ...

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 ...

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 ...

The model energy codes, in their various forms, have been at the forefront of the discussion regarding building design in recent years. These codes include the International Energy Conservation Code ...

It was sweltering last summer. Even with air conditioners, poorly insulated homes meant high utility bills that not everyone can afford. Summers are trending hotter, as are heat-related illness and ...