ASHRAE 90.1-2019 Addenda aa

Addenda aa to Standard 90.1-2019 — Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)
Amendment by ASHRAE, 2021

ASHRAE 62.2-2019 Addenda e

Addenda e to Standard 62.2-2019 — Ventilation and Acceptable Indoor Air Quality in Residential Buildings- (ANSI Approved)
Amendment by ASHRAE, 2021

ASHRAE IC 135-2020-3

Interpretation IC 135-2020-3 to Standard 135-2020 — BACnet — A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
Amendment by ASHRAE, 2021