It’s one of the most popular refrigerants, but switching away from R404A will boost operators’ environmental credentials and profit, contends Ray Gluckman of SKM Enviros
During the last 10 to 15 years R404A has become one of the most widely used refrigerants. It was introduced in the mid-1990s as a replacement for ozone depleting refrigerants including CFCs (such as R12 and R502) and more recently as a replacement for HCFCs (such as R22).
In the supermarket sector it has become the dominant refrigerant across Europe for both chilled and frozen food refrigeration. It is also used widely in other commercial systems, for industrial refrigeration and for cold storage.
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