In the dry process, this heat is circulated as heat air through ducts and vents. Air-to-air heat pumps can circulate both sizzling or chilly air. Using electricity, the pump compresses the liquid to extend its temperature. It then condenses again into a liquid to release its saved heat. Showcasing R290 https://artybookmarks.com/story20280228/r290-air-source-heat-pump-no-further-a-mystery