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2. Automotive air conditioning - Wikipedia

   en.wikipedia.org/wiki/Automotive_air_conditioning

   The second automotive air conditioning refrigerant invented was R-134a. R-134a is a hydrofluorocarbon refrigerant that contains fluorine and hydrogen. The successor to R-12, R-134a was a new refrigerant that no longer contained chlorine that could deplete the ozone layer. R-134a is a greenhouse gas, it has a lower global warming potential than ...

3. 1,1,1,2-Tetrafluoroethane - Wikipedia

   en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

   1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...

4. Refrigerant - Wikipedia

   en.wikipedia.org/wiki/Refrigerant

   A DuPont R-134a refrigerant. A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again.

5. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   R-134a [83] 4060: 1470 ... (only allowing approximately 13.5 times less refrigerant in the system than R-32). ... the installation cost of a heat pump is more than a ...

6. 1,1,2,2-Tetrafluoroethane - Wikipedia

   en.wikipedia.org/wiki/1,1,2,2-tetrafluoroethane

   It is an isomer of the more-used 1,1,1,2-tetrafluoroethane (R-134a). It is used as a foam expansion agent and heat transfer fluid. It is used as a foam expansion agent and heat transfer fluid. [ 3 ]

7. AC on the fritz? Prices and repair times are rising, but ...

   www.aol.com/entertainment/ac-fritz-prices-repair...

   It can happen any day, at any moment: Your home’s air conditioning unit dies, and now it’s a race against time and sweat to fix or replace it. You don’t have days to wait or shop around ...