Absorption heat pumps use an ammonia-water absorption cycle, as opposed to a vapor-compression cycle, to transfer heat. Ammonia is definitely the refrigerant, and h2o is definitely the absorber. The ammonia condenses at one of many process’s coils to launch heat and evaporates at one other coil to soak up heat. https://bookmarkboom.com/story20263430/helping-the-others-realize-the-advantages-of-absorption-heat-pumps