New opening hours
Visit our showroom and production in Grevenmacher:
Monday to Friday 08:00 – 12:00 and 13:00 – 18:00
Saturday 08:00 – 16:00
or on appointment.
OST Fenster invests in Grevenmacher headquarters
The growing demand for high-quality wood-aluminium windows necessitates an expansion of OST Fenster’s headquarters in Grevenmacher.
In addition, the Luxembourg branch has been relocated to the OST headquarters in Grevenmacher for the year change.
New wood-aluminium-window for passive houses
Discover our new wood-aluminium-window Actualu Thermotec!
New wood-aluminum low-energy window Actualu Economy
Here you can see an architecturally attractive and modern flush Alu-Design.