ASHRAE IC 90.1-2019 Addenda ae

Addenda ae 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 y

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