Non-powered fan

The wind-driven fan utilizes natural wind speeds to rotate the turbine, and takes advantage of the principle of indoor-outdoor air convection to accelerate and transform any parallel air flow into a vertical upward flow from bottom to top, thereby enhancing the indoor ventilation and air exchange. This fan operates without electricity, produces no noise, and can run continuously for long periods. Placed rationally at the top of the roof based on the natural laws of air and the principles of air flow, it can quickly exhaust heat and polluted gases from the interior, improving the indoor environment.

Working Principle

Turbine ventilators utilize natural wind and the temperature difference between indoors and outdoors to create air thermal convection, which then drives the turbine to rotate. This rotation harnesses centrifugal force and negative pressure effects to expel stale, warm air from indoors.