Given that the energy becomes more expensive every year, the issue of reasonable consumption is becoming urgent. Increasing costs for heating buildings. To reduce costs, we offer a window thickness of 92 mm, which has a high insulation properties.
Since January 2009 company "P. Varkojis ir Ko" offers wooden windows European standard thickness of 92 mm.
These windows are opened inside. Glass thickness 48 mm, The coefficient of thermal conductivity of insulating glass is U = 0,5 W / (m² · K). The windows are made of 4-layer glued timber. The windows are painted a high-quality Swedish paint Becker Acroma. Tused high-quality accessories of Roto Frank AG firm. The coefficient of heat transfer of this window is 0.87 W. Window can used in "passive" house.