Absorption heat pumps use an ammonia-water absorption cycle, rather than a vapor-compression cycle, to transfer heat. Ammonia is the refrigerant, and h2o may be the absorber. The ammonia condenses at one of many method’s coils to launch heat and evaporates at the opposite coil to absorb heat. Whole internet site https://bookmarkcork.com/story20955510/a-simple-key-for-heat-pumps-unveiled