The rotating movement of the Cowl Oblong creates an underpressure area in the suction neck of the cowl roof fans. With these wind-powered roof fans, results are achieved very quickly because they already work at wind speeds of 1m/s.The Cowl Oblong wind-powered roof fans are particularly suitable for industrial areas such as stairwells, factory halls, sheds, toilet blocks, etc.
Take a look at Ventilationland's wide range of fans or let us provide you with information personally about the possibilities for ventilating large commercial spaces.
Would you like to buy a wind-powered fan online? Then Ventilationland is the webshop for you! Buy your roof fan quickly and inexpensively online at Ventilationland. With us you benefit from the lowest prices. If you have any questions, please contact the Ventilationland team.