The new residential line of Lennox heat pumps and a/c units will use R-454B refrigerant. The full line of commercial rooftop units and ducted split systems, including the Model L and Enlight families, will also use R-454B.

The shift from R-410A to R-32 refrigerant will span across all Samsung HVAC product lines, excluding Hylex models, which will feature R-454B.

Chemours is ending its sales of the refrigerants R-404A and R507, effective immediately, in support of regulatory requirements in the U.S. and Canada.

The integration of Honeywell’s Solstice refrigerant into Hisense units comes amidst the recent increase in legislative mandates across the country to reduce the use of high-GWP HFCs in response to the growing global emphasis on addressing climate change.

Bosch’s newest line of heat pumps will incorporate Honeywell’s Solstice low-GWP refrigerant, and Bosch technicians will be trained in the safe maintenance and installation of the next-generation low-GWP solutions.

The product classification changes are aimed at helping consumers better understand Trane’s new models as it begins converting most of its new residential products to enable them to use R-454B refrigerant rather than R-410A.