Absorption heat pumps use an ammonia-h2o absorption cycle, rather then a vapor-compression cycle, to transfer heat. Ammonia could be the refrigerant, and drinking water would be the absorber. The ammonia condenses at among the list of process’s coils to release heat and evaporates at another coil to absorb heat. Using https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/