Absorption heat pumps use an ammonia-h2o absorption cycle, rather then a vapor-compression cycle, to transfer heat. Ammonia is the refrigerant, and h2o is the absorber. The ammonia condenses at one of the system’s coils to launch heat and evaporates at one other coil to soak up heat. Heat exchange: Utilize https://optimusbookmarks.com/story20294029/the-basic-principles-of-robur-heat-pumps