GB 19577-2024 Energy efficiency limit values ​​and energy efficiency grades for heat pumps and chillers

Policy Details

This policy energy efficiency limit values ​​and energy efficiency grades for heat pumps and chillers. It applies to the following products: water chilling (heat pump) packages using vapor compression, low ambient temperature air source heat pump (water chilling) packages, water-source (ground-source) heat pumps, lithium bromide absorption water chillers (heaters), water-source high-temperature heat pumps using the vapor compression cycle, indirect evaporative cooling water chillers, and integrated water chilling (heat pump) packages. It enters into force on 1 February 2025 and replaces the following standards: GB 19577-2015, GB 29540-2013, GB 30721-2014, and GB 37480-2019. See more