ROOFTOP TURBO AIR VENTILATOR Rooftop turbo ventilators are designed to provide natural ventilation and improve indoor air quality in buildings by expelling hot and stale air from the building and replacing it with fresh outdoor air. They are commonly used in industrial, commercial, and residential settings. The materials used for rooftop turbo ventilators can vary, but here are some common components: Aluminum or Stainless Steel: The main body of the turbo ventilator is typically made of aluminum or stainless steel. These materials are chosen for their durability, corrosion resistance, and lightweight properties, making them suitable for outdoor installation and exposure to the elements. Fan Blades: The fan blades, which are responsible for extracting air, are usually made of lightweight materials like aluminum or reinforced plastics. These materials are chosen to minimize the weight and power requirements of the ventilator. Bearings: High-quality bearings are used to reduce friction and ensure smooth rotation of the fan blades. Stainless steel or ceramic bearings are often employed for their durability and resistance to corrosion.