ASHRAE 62.1-2019 Addendum b

Addendum b to Standard 62.1-2019 — Ventilation for Acceptable Indoor Air Quality (ANSI Approved)
Amendment by ASHRAE, 2020

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