ASHRAE 135-2016 Addendum br

Addendum br to Standard 135-2016 — BACnet A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
Amendment by ASHRAE, 2019

ASHRAE 34-2019 Addendum g

Addendum g to Standard 34-2019 — Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2020