Absorption heat pumps use an ammonia-h2o absorption cycle, rather then a vapor-compression cycle, to transfer heat. Ammonia is definitely the refrigerant, and h2o could be the absorber. The ammonia condenses at among the list of procedure’s coils to launch heat and evaporates at one other coil to soak up heat. https://whitebookmarks.com/story20384165/the-best-side-of-robur-heat-pumps