Since 1931, Flettner® has been the global leader in wind-powered ventilation technology.
Designed and manufactured in the UK, our rotary ventilators harness passing airflow to ventilate an enclosed space and are typically installed on commercial or passenger vehicles. Flettner® roof-mounted ventilators rotate while the vehicle is in motion or when stationary in the presence of ambient air movement, operating entirely without electrical power or wiring.
You may also find them on boats, properties and portable buildings.
With global patent registrations and decades of engineering heritage, Flettner® products are trusted by fleets, converters, upfitters, end-users and specialists worldwide.
Flettner solves the challenges of restricted airflow in commercial vehicles and other enclosed spaces.
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