Industrial Air Ventilation System The hot air in the building rises naturally and stays below the roofing, increasing the interior warmth. Industrial Air Ventilation System: The fan of the Devashish Turbo Air Ventilators can rotate even in conditions with the least amount of wind because to its innovative engineering design. The Devashish Turbo Air Ventilators operate by constantly rotating their vanes, creating a vacuum beneath the fan and drawing hot air from underneath the roof with centrifugal force. VISIT US: https://devashish.net/industrial-ventilators-solutions/