Absorption heat pumps use an ammonia-water absorption cycle, instead of a vapor-compression cycle, to transfer heat. Ammonia is the refrigerant, and h2o is definitely the absorber. The ammonia condenses at on the list of procedure’s coils to launch heat and evaporates at the opposite coil to absorb heat. Heat Trade: https://bookmarkeasier.com/story20197568/the-2-minute-rule-for-air-source-heat-pumps