ASHRAE IC 90.1-2019 Addenda cb

Addenda cb to Standard 90.1-2019 — Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)
Amendment by ASHRAE, 2022

ASHRAE IC 135-2020-6

Interpretation IC 135-2020-6 to Standard 135-2020 — BACnet — A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
Amendment by ASHRAE, 2021

ASHRAE 147-2019 Addenda a

Addenda a to Standard 147-2019 — Reducing the Release of Halogenated Refrigerants from Refrigerating and Air-Conditioning Equipment and Systems (ANSI Approved)
Amendment by ASHRAE, 2021