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How Do You Choose A Roof Fan Depending On Your Environment

- Jul 21, 2018 -

1. Number of unpowered fans = building capacity * number of air changes per hour / single unpowered fan ventilation capacity.

2. Building volume = length * width * height.

3. Number of air changes per hour: Determine the number of air changes per hour based on the function of the building.

4. Ventilation capacity of a single unpowered fan: According to different annual wind, height, indoor temperature difference, the air exhaust performance of different types of natural ventilators is determined.