Absorption heat pumps use an ammonia-water absorption cycle, instead of a vapor-compression cycle, to transfer heat. Ammonia may be the refrigerant, and water 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. Amana offers https://wildbookmarks.com/story20554430/helping-the-others-realize-the-advantages-of-robur-heat-pumps