ASHRAE Releases Latest Version of Standard 90.1-2022

January 31, 2023

The latest version of the ASHRAE benchmark energy efficiency standard, ANSI/ASHRAE/IES Standard 90.1-2022 - Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings includes an expanded scope for building sites and major additions appearing for the first time in a minimum-efficiency U.S. model energy standard or code. 

According to Don Brundage, chair of the ASHRAE Standing Standard Project Committee 90.1 there was “...some ambiguity in the standard by offering guidance on regulating only buildings and not sites. Examples include exterior and parking lot lighting...”


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