Click on image to view or download

USA: Now available for free download is the latest ASHRAE/UN Environment fact sheet on new refrigerant designation and safety classification.

Updated twice a year, after the ASHRAE winter and summer conferences, the fact sheet provides an update on ASHRAE refrigerant standards and introduces the new refrigerants that have been awarded an “R” number over the last few years.

The document describes ASHRAE’s Standard 34, Designation and Safety Classification of Refrigerants, what the R-numbers mean and explains the hazard classifications.