GB/T 40397-2021
ActiveHousehold outdoor air dehumidifier
户式新风除湿机
Application Summary AI generated
GB/T 40397-2021 specifies technical requirements, test methods, and performance criteria for household outdoor air dehumidifiers, which are integrated ventilation and dehumidification units designed for residential buildings. It applies to the design, manufacturing, and quality inspection of devices that introduce fresh outdoor air while removing excess moisture, commonly used in homes with central ventilation systems or in humid climates. The standard ensures these units meet safety, energy efficiency, and dehumidification capacity benchmarks for indoor air quality control.
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