The Monodraught Windcatcher X-Air is the latest generation of natural ventilation that follows in the footsteps of the successful Windcatcher Classic systems that have proved to be so popular. With over 5,300 systems successfully installed, the Windcatcher X-Air is backed-up by our 10-year no leak guarantee.

Monodraught’s patented Activlouvre® modulating aerofoil louvre technology combines a static external louvre and a modulating internal louvre. They work together to vary the opening and free area. Maximum ventilation rates are achieved when the louvres are fully open. Weather resistance is increased when they are partially modulated. Alternatively, they can be closed to prevent the ingress of precipitation. External air catchment fins provide greater area at the louvre which improves performance in relation to wind speed. Pressure release vanes at the fins reduce face pressure during high winds.