DisasterousGiraffe OP t1_jeeygi0 wrote
Reply to comment by DisasterousGiraffe in Heat Pumps could supply 20% of building heating by 2030. Supercritical CO2 heat pump sales in Japan have now reached a total of 8.5 million units. by DisasterousGiraffe
and the supercritical CO2 heat pumps used in Japan are used for hot water because chlorofluorcarbons are not efficient for high temperatures.
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