Velux Roof Windows

Velux Roof Windows provide an energy-efficient way to allow light and natural ventilation into your home. The roof window's ventilation flap allows fresh, filtered air into the home when the window is closed while Velux's ThermoTechnology provides excellent insulation with an airtight seal. Velux Roof Windows are convenient, quick to open and close, and easy to operate. They are offered in four different style options and are commonly measured by the outside frame dimensions.