The "Limits on Power Consumption and Energy Efficiency Levels of Household Refrigerators" (GB12021.2-2008) was released and implemented in 2009, and in the following years, it has driven significant progress in the technical and energy efficiency levels of Chinese refrigerator products. However, the problems in the standard "Limit Values and Energy Efficiency Levels for Household Refrigerators" (GB12021.2-2008) have gradually been exposed. Firstly, the energy efficiency test adopts a door closing test method, which is not in line with the usage of household refrigerators. The measured results cannot fully represent the actual energy consumption level of refrigerators; Secondly, the rapid development of refrigerator technology has led to the inability of the "Limit Values and Energy Efficiency Levels for Household Refrigerators" (GB12021.2-2008) standard to reflect its true energy efficiency level. Therefore, the "Limit Values and Energy Efficiency Levels for Household Refrigerators" (GB 12021.2-2015) has been revised
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