GB 21454-2008
AbolishedThe minimum allowable values of the IPLV and energy efficiency grades for multi-connected air-condition(heat pump) unit
多联式空调（热泵）机组能效限定值及能源效率等级
Application Summary AI generated
GB 21454-2008 specifies the minimum allowable values of the Integrated Part Load Value (IPLV) and energy efficiency grades for multi-connected air-conditioning (heat pump) units. It is applied in China to regulate the energy performance of variable refrigerant flow (VRF) systems used in commercial and residential buildings, ensuring compliance with national energy conservation standards during manufacturing, procurement, and energy labeling.
Related Standards
GB/Z 18718-2002
Energy saving directives for heat treatment
GB/T 33857-2017
General principles for energy conservation assessment—Combined heat and power generation project
GB/T 19064-2003
Solar home system specifications and test procedure
GB/T 18293-2001
On-line measurement on operating efficiency of power convertor equipments
GB/T 18292-2001
Economical operation of boilers for daily life
GB/T 15320-2001
Evaluation guides of the energy conservation products
GB/T 2588-2000
The general principles for calculation of thermal effic-iency of equipment
GB/T 17954-2000
Economical operation of industrial boilers
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