History, they say, repeats itself. The HVACR industry is not immune to the truth of this saying. A good case in point was the introduction of R-410A earlier this century, compared to the introduction ...
NON-FLOODED USE: ComStar’s RS-44b can be used to replace R-22 in all non-flooded, high-, medium-, and low-temperature systems down to minus 20°F evaporating temperature. June 29, 2020 While it became ...
Homeowners who have an air-conditioning system installed before 2010 could be in for a shock when their unit needs more Freon. While Freon, the Dupont/Chemours Co. brand name for the refrigerant R-22, ...
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