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 would be the absorber. The ammonia condenses at one of several technique’s coils to release heat and evaporates at the other coil to soak up heat. Heat https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/