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

ASHRAE 62.1-2019 Addendum f

Addendum f to Standard 62.1-2019 — Ventilation for Acceptable Indoor Air Quality (ANSI Approved)
Amendment by ASHRAE, 2021

ASHRAE IC 90.1-2013-21

Interpretation IC 90.1-2013-21 to Standard 90.1-2013 — Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)
Amendment by ASHRAE, 2021

ASHRAE 34-2019 Addendum z

Addendum z to Standard 34-2019 — Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2021