Absorption heat pumps use an ammonia-water absorption cycle, instead of a vapor-compression cycle, to transfer heat. Ammonia will be the refrigerant, and water will be the absorber. The ammonia condenses at one of the system’s coils to launch heat and evaporates at the opposite coil to soak up heat. This https://socialbuzzfeed.com/story5911300/the-single-best-strategy-to-use-for-robur-heat-pumps