Latest in Refrigerant: R410A breakthrough

Refrigerant Types

Honeywell in the US has announced the development of a new refrigerant. A low GWP non-flammable rival to R410A.

They say the new refrigerant (Solstice N41) is the product of years of innovative work. It addresses “one of the most vexing regulatory and safety challenges facing the HVAC industry”. Honeywell has gotten a fundamental A1 (non-flammable, non-toxic) classification by ASHRAE.

R32 has turned into the lower GWP refrigerant of choice for smaller frameworks. Its A2L combustibility is unsuitable to use in bigger frameworks. There are additional questions whether it will worthy for use in VRF frameworks. There is the offer of R452B. A blended refrigerant, yet this is additionally A2L “mildly flammable.”

Solstice N41 stands to change all that. Tending to worries over dealing with combustible refrigerants. This avoids any need for new safety standards or construction laws.

“This refrigerant is energy efficient, good for the environment, and the logical economic choice… The costs associated with moving to Solstice N41 pales in comparison to those required for conversion to a flammable refrigerant. What we created and developed in Solstice N41 is nothing short of a breakthrough, It is an incredibly promising product that is poised to solve a key problem and become the next global standard for refrigerants.”

Sanjeev RastogiSanjeev Rastogi (Honeywell vice president and general manager of fluorine products.)


Honeywell has not yet confirmed a GWP for the new refrigerant, or whether it is a single component or a blend. Examinations by an independent source recommend it might have a GWP near that of R32. They haven’t said that N41 would be a “drop-in” substitution for R410A. Honeywell states that early tests have shown moving requires insignificant changes to equipment. It may enable OEMs to change over from R410A.

The refrigerant is awaiting ASHRAE accreditation. Honeywell says they anticipate that it will be accessible next year.

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