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  2. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    For example, R-22 has one carbon atom, one hydrogen atom (2−1 = 1), two fluorine atoms, and one chlorine atom (4−2−1 = 1), so it is chlorodifluoromethane, while R-134 has two carbon atoms (2−1 = 1), two hydrogen atoms (3−1 = 2), four fluorine atoms, and no chlorine atoms (6−2−4 = 0), so it is one of the tetrafluoroethanes. This ...

  3. Chlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Chlorodifluoromethane

    R-22 was mostly phased out in new equipment in the United States by regulatory action by the EPA under the Significant New Alternatives Program (SNAP) by rules 20 and 21 of the program, [7] due to its high global warming potential. The EPA program was consistent with the Montreal Accords, but international agreements must be ratified by the US ...

  4. R-407C - Wikipedia

    en.wikipedia.org/wiki/R-407C

    R-407C cylinders are colored burnt orange. This refrigerant is intended as a replacement for R-22. R-22 production will be phased out by 2020 as per the Montreal Protocol. [2] Key Characteristics: Colourless and Odourless: R407C is visually clear and does not emit a noticeable smell.

  5. Refrigerant - Wikipedia

    en.wikipedia.org/wiki/Refrigerant

    R-22 HCFC-22: CHClF 2: Chlorodifluoromethane: 5280: 1760: Being phased out: A widely used hydrochlorofluorocarbon (HCFC) and powerful greenhouse gas with a GWP equal to 1810. Worldwide production of R-22 in 2008 was about 800 Gg per year, up from about 450 Gg per year in 1998. R-438A (MO-99) is a R-22 replacement. [71] R-123 HCFC-123 CHCl 2 CF 3

  6. Isobutane - Wikipedia

    en.wikipedia.org/wiki/Isobutane

    [11] [12] In this regard, blends of pure, dry "isobutane" (R-600a) (that is, isobutane mixtures) have negligible ozone depletion potential and very low global warming potential (having a value of 3.3 times the GWP of carbon dioxide) and can serve as a functional replacement for R-12, R-22 (both of these being commonly known by the trademark ...

  7. 2,2-Dichloro-1,1,1-trifluoroethane - Wikipedia

    en.wikipedia.org/wiki/2,2-Dichloro-1,1,1-trifluo...

    2,2-Dichloro-1,1,1-trifluoroethane or HCFC-123 is considered as an alternative to CFC-11 in low pressure refrigeration and HVAC systems, and should not be used in foam blowing processes or solvent applications.

  8. Cheaper Alternatives to Popular Products That Won't Disappoint

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  9. Natural refrigerant - Wikipedia

    en.wikipedia.org/wiki/Natural_refrigerant

    Natural refrigerants are one of the potential options for replacement of HFCs, and are growing in usage and popularity as a result. The natural refrigerant industry is expected to have a compounded annual growth rate of 8.5% over the next 4 years, [ 10 ] and is expected to become a US$2.88 billion industry by 2027.