Midtherm Natural Lighting Systems


Midtherm Natural Lighting systems are designed to complement the Windvent by providing a constant source of natural light.

The systems are available as a 250mm (10”) - suitable for corridors, shower rooms, small offices, changing rooms, store rooms, toilets and areas up to 7.5m2. The 350mm (14”) is more suited to kitchens, medium sized classrooms, study areas, libraries, small conference rooms, offices and landings. Our largest unit is 900mm (21”) and is best suited to areas up to 40m2. Multiple units are commonly installed for large rooms or halls.


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