The condensed, liquid refrigerant, in the thermodynamic condition known as a saturated liquid, is following routed via an growth valve the place it undergoes an abrupt reduction in pressure. That strain reduction brings about the adiabatic flash evaporation of a Component of the liquid refrigerant. Suitable standards consist of AHRI https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/