GB/T 31437-2015
ActiveAir-to-air heat exchanger unit for ventilation and air-conditioning
单元式通风空调用空气-空气热交换机组
Application Summary AI generated
GB/T 31437-2015 specifies technical requirements, test methods, and inspection rules for air-to-air heat exchanger units used in ventilation and air-conditioning systems. It applies to residential, commercial, and industrial buildings where energy recovery from exhaust air is needed to improve HVAC efficiency. The standard is used by manufacturers and testing laboratories to ensure product performance, safety, and energy-saving capabilities.
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