Did you know that R-22, also known as HCFC-22 or "Freon," was the most common type of refrigerant used for many decades? Its commercialization first took place in 1936, and by the late 50s, it entered the AC market. Today, no one is no longer allowed to produce R-22 in the US, following the EPA's updated 2020 Phase-Out. By 2030, there will be a complete ban on the prod …
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