Absorption heat pumps use an ammonia-h2o absorption cycle, rather then a vapor-compression cycle, to transfer heat. Ammonia is the refrigerant, and h2o is the absorber. The ammonia condenses at among the method’s coils to release heat and evaporates at the other coil to soak up heat. Using squander heat is https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/