USA: Commercial refrigeration product manufacturer Heatcraft is said to be developing new walk-in unit coolers, condensing units and condensers to operate on the lower GWP refrigerant R455A. Developed and marketed by Honeywell as Solstice L40X, R455A is an A2L blend of R1234yf, R32 and CO2 and has a GWP of just 146. "Our team at ... The post Heatcraft to adopt R455A appeared first on Cooling Post.