OAR 330-300-0010: Oregon Energy Efficiency Standards for Existing Buildings

Effective January 1, 2025, the 2024 version of the Energy and Emissions Building Performance Standard for Existing Buildings published by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers, also referred to as ASHRAE Standard 100 or ANSI/ASHRAE/IES Standard 100 2024, with additional Oregon amendments as published by the Oregon Department of Energy and available on the Department’s website, applies in the State of Oregon.