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‌Positive pressure fresh air system‌: The fan introduces outdoor fresh air into the room, making the indoor air pressure higher than the outdoor pr...

‌Heat exchange mode‌: Applicable to air conditioners in summer or floor heating in winter. In summer or winter, when the temperature difference bet...

‌PVC pipe‌: PVC pipe requires more joints during construction, including various reducers and elbows, which are glued. Fresh air system with large ...

‌The air volume of central fresh air system usually ranges from 150m³/h to 1500m³/h‌. Specifically, the air volume of fresh air system can be calcu...

‌The materials of duct fans mainly include high-strength aluminum alloy, fully sealed structure motor, all-steel plate material, etc.

Core components: The core component of duct fans is the fan, which usually adopts centrifugal multi-blade fans or cross-flow fans. The impeller dia...

The working principle of duct fan is to drive the impeller to rotate through the motor, and the rotation of the impeller generates airflow to trans...