Comfort Optimo XL

m-sora Nature Optimo XL Window

Window COMFORT OPTIMO XL is made of combination of wood and aluminium and combines optimal combination of high energy efficiency, attractive appearance and affordable price. It represents an upgrrade of Comfort Optimo L with additionally aligned window profile on the inner side of the window which is represented by letters L (»Line«) and X (»Xclusive«)


  • aligned aluminium cover on the outer side of the window and wood profile on the inner side
  • thickness of window casement of 130 mm and frame of 130 mm
  • produced with the newest computer controlled technology bought in 2014


  • modern design
  • suitable for low-energy and passive buildings
  • warm feeling
  • excellent water and airtightness
  • extremely long life time
Profile dimensions installation depth 130 mm
visible width 107 mm
Instalation options rectangular
arched, semicircular
Opening options fixed
combined (d and dk)
folding walls
tilt-slide walls
lift-slide walls
opening outwards
two-sided handle
Thermal insulation of the window (Uw) Ug = 1,1
Ug = 1,0
Ug = 0,7 0,88 W/m²K
Ug = 0,6 0,81 W/m²K
Ug = 0,5 0,73 W/m²K