With the focus nowadays more on the global-warming potential (GWP) of refrigerants (an estimate of how much a given mass of gas will contribute to global warming) the company’s new breed of refrigerated containers harness the natural elements of CO2 as an alternative to the more commonly used hydrofluorocarbon (HFC) R-134a and R-404A.
“With its GWP of one, CO2 (also known as R-744) is essentially the baseline against which all other refrigerants are measured,” Kartik Kumar, Carrier’s director of marketing and strategic planning for global container refrigeration, told CM.
“CO2 compares favourably against HFC R-134a and R-404A refrigerants that have GWPs of 1320 and 3260 respectively. Although other synthetic refrigerants under development have lower GWPs than current HFCs, none approach CO2,” he added.
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