Wind Turbine Ventilators in Ahmedabad Wind turbine ventilators, also known as whirlybird ventilators or roof ventilators, are passive ventilation devices used to exhaust hot and stale air from buildings, typically industrial or commercial structures such as factories, warehouses, and workshops. They work on the principle of natural convection, utilizing wind energy to create airflow and ventilate the building. Here's how they typically work: Design: Wind turbine ventilators consist of a series of vanes or blades arranged in a cylindrical or conical shape. The design allows them to capture wind from any direction and convert it into rotational motion. Airflow: As wind blows over the ventilator, it causes the blades to rotate. This rotational motion creates a pressure difference between the inside and outside of the building. Exhaust: The pressure difference causes air inside the building to be drawn out through the ventilator. This process exhausts hot air, moisture, and other pollutants, helping to maintain a comfortable and healthy indoor environment. Efficiency: Wind turbine ventilators are highly efficient because they operate without electricity or mechanical components. They rely solely on wind energy, making them environmentally friendly and cost-effective in the long run. Maintenance: These ventilators require minimal maintenance since they have no moving parts except for the rotating blades. Regular cleaning to remove debris and ensuring the bearings are lubricated are typically the main maintenance tasks.