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Re: 1234yf training and tools
Posted to HVAC Forum on 3/4/2023 4 Replies

I still hear that someone heard that R-134a does not cool as good as the old stuff. Any refrigerant that boils at -15F for R-134a, -22F for R-1234yf and -21.6F for R12 is more than capable of freezing the evaporator to a solid block of ice. If the A/C system i... Login to read more.

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