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 will be the absorber. The ammonia condenses at among the method’s coils to release heat and evaporates at the other coil to soak up heat. Overall web https://socialwebnotes.com/story5474238/robur-heat-pumps-for-dummies