“The goal of the 2019 version of 90.1 was to provide clearer guidance for exceeding efficiency goals,” said Drake Erbe, chair of the Standard 90.1 committee. 25, 2019) – ASHRAE has released an expanded, revised version of a well-known energy standard.ĪNSI/ASHRAE/IES Standard 90.1-2019, Energy Efficiency Standard for Buildings Except Low-Rise Residential Buildings, contains more than 100 changes from the 2016 version, including numerous energy-saving measures.
ASHRAE Releases Expanded, Revised Version of Standard 90.1