This standard specifies the limit value of energy efficiency, energy-saving evaluation value, determination method of energy efficiency level, test method and inspection rules of room air conditioners. This standard applies to air conditioners with air-cooled condensers, fully enclosed motor-compressors, cooling capacity of 14,000W or less, and climate type T1. This standard does not apply to mobile, speed-controllable, and multi-connected air-conditioning units.
2019GB 21455-2019 Minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners
2010GB 12021.3-2010 The minimum allowable value of the energy efficiency and energy efficiency grades for room air conditioners
2004GB 12021.3-2004 The minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners
2000GB 12021.3-2000 The limited values of energy efficiency and evaluating values of energy conservation for room air conditioners
0000年 GB 12021.3-1989
GB 12021.3-2010 The minimum allowable value of the energy efficiency and energy efficiency grades for room air conditioners was changed to GB 21455-2019 Minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners.