A non powered hood is a ventilation device installed on the roof of a building, mainly used in residential, factory, warehouse and other places that require ventilation and exchange. Their main functions include:
Improving indoor air quality
By natural ventilation, indoor heat, moisture, smoke, and harmful gases are discharged to improve indoor air quality;
Reduce indoor temperature
Promote the rise and discharge of hot air, reduce indoor temperature in summer, reduce air conditioning usage, and save energy;
Prevent mold growth
Reduce indoor moisture, prevent wall and roof moisture, and prevent mold growth;
Extend the lifespan of buildings
By reducing the erosion of building materials by moisture and harmful gases, the service life of buildings can be extended;