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− | *'''If it dates from before 1995'', it probably contains chlorofluorocarbons (CFCs - fluids R11 and R12), whose global warming potential is up to 10,000 times that of CO<sub>2</sub>. CFCs have been banned in the European Union since that date. | + | *'''If it dates from before 1995''', it probably contains chlorofluorocarbons (CFCs - fluids R11 and R12), whose global warming potential is up to 10,000 times that of CO<sub>2</sub>. CFCs have been banned in the European Union since that date. |
*'''Between 1995 and 2010'', the mainly authorised fluids are hydrochlorofluorocarbons (HCFCs - R22 fluids), whose global warming power is up to 2000 times that of CO<sub>2</sub>. | *'''Between 1995 and 2010'', the mainly authorised fluids are hydrochlorofluorocarbons (HCFCs - R22 fluids), whose global warming power is up to 2000 times that of CO<sub>2</sub>. | ||
− | *'''The period 2010 - 2015'' corresponds to a transition period during which the manufacture of new equipment containing HCFCs is prohibited. In 2015, the presence of HCFCs in equipment is prohibited. | + | *'''The period 2010 - 2015''' corresponds to a transition period during which the manufacture of new equipment containing HCFCs is prohibited. In 2015, the presence of HCFCs in equipment is prohibited. |
− | *'''If built after 2015'', it may contain : | + | *'''If built after 2015''', it may contain : |
**hydrofluorocarbons (HFCs - R134a) whose warming potential is 1,500 times that of CO<sub>2</sub>. These fluids will be banned in new equipment from 1 January 2022. | **hydrofluorocarbons (HFCs - R134a) whose warming potential is 1,500 times that of CO<sub>2</sub>. These fluids will be banned in new equipment from 1 January 2022. | ||
**Hydrocarbons such as isobutane (R600) and propane (R290). Their contribution to greenhouse gases corresponds to 3 times that of CO<sub>2</sub>. There is no legal restriction on their point source release into the atmosphere. | **Hydrocarbons such as isobutane (R600) and propane (R290). Their contribution to greenhouse gases corresponds to 3 times that of CO<sub>2</sub>. There is no legal restriction on their point source release into the atmosphere. | ||
**Other fluids are being tested, such as CO<sub>2</sub> or ammonia (NH3). | **Other fluids are being tested, such as CO<sub>2</sub> or ammonia (NH3). |
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