So-called natural refrigerants such as CO2 and propane are becoming more popular, due to changing regulations at the state level – and likely the federal level soon.
EPA issued a final rule establishing a comprehensive program to cap and phase down the production and consumption of climate-damaging HFCs in the United States.
With the phaseout of HCFC refrigerants and the impending phasedown of HFCs, food retailers are looking at lower-GWP solutions for their refrigeration equipment.