banner
Home » News » Content
Product Categories

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.