ASHRAE standards open for comment 

The below drafts are open for 30-day public reviews

  • BSR/ASHRAE/IES Addendum u to ANSI/ASHRAE/IES Standard 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings (second public review draft – independent substantive change public review). Public commenting is open May 24 to June 23.

The addendum seeks to make changes to fan control and supply fan airflow control minimum requirements. This is a second public review of changes that resulted from the first public review. Only the changes are open for comment.

  • BSR/ASHRAE/ASHE Addendum i to ANSI/ASHRAE/ASHE Standard 189.3-2021, Design, Construction and Operation of Sustainable High Performance Health Care Facilities (full public review). Public commenting is open June 7 to July 7.

This addendum follows the changes in ANSI/ASHRAE/ASHE Standard 189.1-2023, Section 7.3.6 to have electrical infrastructure for the building for future electrification of fossil fuel equipment. This change adds an informative note cautioning designers to consider the appropriate electrical infrastructure branch when designing their systems.  

  • BSR/ASHRAE/ASHE Addendum j to ANSI/ASHRAE/ASHE Standard 189.3-2021, Design, Construction and Operation of Sustainable High Performance Health Care Facilities (full public review). Public commenting is open June 7 to July 7.

Material and product resilience is important in all types of health care facilities, because of infection risk based on premature failure or inappropriate specification for the application based on the cleaning, sanitizing, and disinfecting requirements of health care spaces. This change requires the materials section with subsequent recommendations to the operations and indoor environmental quality sections. New references are added for the user to comply with specifically rated cleaning products.  

The below drafts are open for a 45-day public reviews

  • BSR/ASHRAE/ASHE Addendum ad to to ANSI/ASHRAE/IES Standard 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings (first public review draft). Public commenting is open May 24 to July 8.

This addendum involves updating the standard to replace three terms — "code official," "building official," and "authority having jurisdiction" — with a single term and modified definition of "authority having jurisdiction." Standard 90.1-2022 uses all three terms throughout the standard. The proposed changes simplify the standard by deleting two of the three terms and providing one term with a common definition.  

  • Addendum ae to to ANSI/ASHRAE/IES Standard 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings (advisory public review draft). Public commenting is open June 7 to July 22.

This draft addendum is being released as an advisory public review to seek feedback on new and revised ASHRAE 90.1 Section 6 minimum HVAC for efficiency metric changes and revised minimum efficiency requirements for commercial unitary products included in Tables 6.8.1-1 and 6.8.1-2. 

Visit the ASHRAE portal to make comments on the above addenda.