Recently, the Underwriters Laboratory (UL) has approved the second edition of its UL 60335-2-89 standard, which includes higher R-290 charge limits that would expand its potential uses in commercial refrigeration.
It would be wise to take the time now to learn how to safely handle and transport A2Ls, as customers are already starting to ask about these new refrigerants.
Chiller OEMs have been preparing for a refrigerant phasedown, and they are identifying alternative refrigerants that are efficient, safe, and cost-effective.
AHRI offered panel discussions and presentations from industry experts who outlined the results of the organization’s flammable refrigerant research projects.
There are several nonflammable (A1) alternatives to R-410A available that are designed to be used in a variety of residential and commercial cooling equipment.
Nathan Walker of Goodman Mfg. and Philip Johnston of Daikin Applied talk with The NEWS about some of the technical aspects of R-32, the mildly flammable refrigerant that will replace R-410A in many types of comfort cooling equipment.