GB 37479-2019 Translated English of Chinese Standard. GB37479-2019: Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Ducted Air Conditionershttps://www.chinesestandard.net, 2019 M08 3 - 7 pages This Standard specifies the energy efficiency grades, technical requirements and test methods for ducted air conditioners. This Standard is applicable to ducted air-conditioning (heat pump) units and direct evaporation all fresh air handling units that use motor-driven compressors, and whose indoor unit static pressures are greater than 0 Pa (gauge pressure). |