Absorption heat pumps use an ammonia-h2o absorption cycle, in lieu of a vapor-compression cycle, to transfer heat. Ammonia would be the refrigerant, and drinking water may be the absorber. The ammonia condenses at one of many method’s coils to launch heat and evaporates at one other coil to absorb heat. https://bookmarkforce.com/story20442998/5-simple-statements-about-heat-pumps-explained