⚠ Regulatory Update Notice: A regulation cited on this page (ASHRAE 90.1, ASHRAE 62.1, ASHRAE 15) has been updated. This page is under review.
ASHRAE 90.1 updated to 2022 edition (from 2019) (revision, effective 2022-01-01)
ASHRAE 62.1 updated to 2022 edition (from 2019) (revision, effective 2022-01-01)
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This page documents regulatory citation monitoring for HVAC Services Authority. The ANA Regulatory Watch system continuously tracks changes to laws, codes, and standards referenced across this site.

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