Absorption heat pumps use an ammonia-water absorption cycle, instead of a vapor-compression cycle, to transfer heat. Ammonia will be the refrigerant, and water is the absorber. The ammonia condenses at among the process’s coils to launch heat and evaporates at the opposite coil to absorb heat. Ammonia is poisonous but https://rotatesites.com/story21767043/the-definitive-guide-to-heat-pumps