ASHRAE 221-2020

Standard 221-2020 — Test Method to Field-Measure and Score the Cooling and Heating Performance of an Installed Unitary HVAC System (ANSI Approved)
standard by ASHRAE, 2020

ASHRAE 15-2019 Addendum c

Addendum c to Standard 15-2019 — Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2020

ASHRAE IC 135-2016-28

Interpretation IC 135-2016-28 to Standard 135-2016 — BACnet-A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)
Amendment by ASHRAE, 2020