Absorption heat pumps use an ammonia-water absorption cycle, rather than a vapor-compression cycle, to transfer heat. Ammonia will 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 absorb heat. The temperature underground https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/