An Arbonia Group Company

Energy efficient windows

Roof windows

Termo roof window

Termo roof windows are characterised by their original, rounded profile shape. Heat transfer coefficient of the window Uw=1.3 W/m²K.

Termo roof window


  • Pleasant atmosphere at home – guarantees optimal access of daylight to the rooms, the four seal system guarantees excellent window tightness.
  • Long life – aesthetic, PVC resistant to ageing, damp and temperature changes, ideally suite for use in any room at home, steel reinforcements inside the profile improve the static properties of the entire structure.
  • Design – maintenance-free.
  • Functionality – an elevated window rotation axis and a handle installed at the bottom of the window facilitate use and increase space inside the room.

Convincing parameters

Thermal insulation
Uw = 1,3 W/m²K
Heat transfer coefficient
Ug = 1,0 W/m²K
Distance frame
Plastic distance frame (hot frame/TGI)
Gas filling
Air penetration
class 3
Water tightness
class E1050
Wind load resistance
class C3

Sheet and sealing flange colours

RAL 7043

RAL 7043

RAL 8019

RAL 8019