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