GB 12021.3-2004
AbolishedThe minimum allowable values ofthe energy efficiency and energy efficiency grades for room air conditioners
房间空气调节器能效限定值及能源效率等级
Application Summary AI generated
GB 12021.3-2004 specifies the minimum allowable energy efficiency values and energy efficiency grades for room air conditioners. It is applied in China to classify air conditioners into five energy efficiency grades, with Grade 1 being the most efficient, and to enforce a mandatory minimum efficiency threshold for products sold in the market. This standard is used by manufacturers, regulators, and consumers to evaluate and compare the energy performance of residential and small commercial air conditioning units.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.