ASHRAE 34 ADD R-2021
Designation and Safety Classification of Refrigerants

Standard No.

ASHRAE 34 ADD R-2021

Release Date

2021

Published By

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

Latest

ASHRAE 34 ADD R-2021

ASHRAE 34 ADD R-2021 history

• 2021 ASHRAE 34 ADD R-2021 Designation and Safety Classification of Refrigerants
• 2015 ASHRAE 34 ADD R-2015 Designation and Safety Classification of Refrigerants