Editing Refrigerant (section)

===Banned / Phased out===
{| class="wikitable sortable"
|-
! Code !! Chemical !! Name !! [[Global warming potential]] 20yr<ref name="ar5"/> !! GWP 100yr<ref name="ar5"/> !! Status !!Commentary
|-
|R-11 CFC-11 ||CCl<sub>3</sub>F ||[[Trichlorofluoromethane]] ||6900||4660 ||Banned ||Production was banned in developed countries by [[Montreal Protocol]] in 1996
|-
|R-12 CFC-12 ||CCl<sub>2</sub>F<sub>2</sub> ||[[Dichlorodifluoromethane]] ||10800 ||10200 ||Banned ||Also known as Freon, a widely used [[chlorofluorocarbon]] [[halomethane]] (CFC). Production was banned in developed countries by [[Montreal Protocol]] in 1996, and in developing countries (Article 5 countries) in 2010.<ref name="OzoneAssessment">{{cite book |title=Scientific assessment of ozone depletion: 2018. |date=2018 |publisher=World Meteorological Organization |location=Geneva, Switzerland |isbn=978-1-7329317-1-8 |page=1.10 |edition=Global Ozone Research and Monitoring Project–Report No. 58 |url=https://www.environment.gov.au/system/files/resources/bde22641-eeb6-4502-9c54-8239c2c64c0f/files/2018-ozone-summary-report.pdf |access-date=22 November 2020 |chapter=1:Update on Ozone-Depleting Substances (ODSs) and Other Gases of Interest to the Montreal Protocol}}</ref>
|-
|R-22 HCFC-22 ||CHClF<sub>2</sub> ||[[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{{nbsp}}Gg per year, up from about 450{{nbsp}}Gg per year in 1998. R-438A (MO-99) is a R-22 replacement.<ref>[https://www.refrigerantdepot.com/product/chemours-isceon-mo99/] Chemours M099 as R22 Replacement</ref>
|-
|R-123 HCFC-123
|CHCl<sub>2</sub>CF<sub>3</sub>
|[[2,2-Dichloro-1,1,1-trifluoroethane]]
|292
|79
|US phase-out
|Used in large tonnage centrifugal chiller applications. All U.S. production and import of virgin HCFCs will be phased out by 2030, with limited exceptions.<ref>[https://www.epa.gov/sites/default/files/2020-08/documents/us_management_of_hcfc-123.pdf]  Management of HCFC-123 through the Phaseout and Beyond | EPA | Published August 2020 | Retrieved Dec. 18, 2021</ref> R-123 refrigerant was used to retrofit some chiller that used R-11 refrigerant [[Trichlorofluoromethane]]. The production of R-11 was banned in developed countries by [[Montreal Protocol]] in 1996.<ref>[https://www.brighthubengineering.com/hvac/63456-properties-of-refrigerant-r11-or-freon-11-and-replacements/] Refrigerant R11 (R-11), Freon 11 (Freon R-11) Properties & Replacement</ref>
|}