ASHRAE IC 90.1-2019 Addenda ab

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

ASHRAE IC 170-2021-1

Interpretation IC 170-2021-1 of Standard 170-2021 — Ventilation of Health Care Facilities (ANSI Approved; ASHE Co-sponsored)
Amendment by ASHRAE, 2021

ASHRAE IC 90.1-2019 Addenda an

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