Easy and reliable opening

GEZE manual ventilation 

The manual window opening systems are used for comfortable daily ventilation. The wide range of fanlight opening systems ensures an easy and reliable opening. The cranked turn and tilt hardware is the perfect solution for large scale windows.

Their area of application includes vertically installed bottom or top hung windows opening inwards and vertically installed top hung windows opening outwards. Solutions for special shapes are also offered, e.g. vertically installed angular, triangular, semi-circular and segmental arch windows.