ASHRAE 135-2020

Standard 135-2020 — BACnet — A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
standard by ASHRAE, 2020

ASHRAE 52.2-2017 Addendum b

Addendum b to Standard 52.2-2017 — Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI approved)
Amendment by ASHRAE, 2020