Calculate how much you can save by replacing your windows. Zendow#neo Premium - Super Insulating Windows Windows made with the Zendow#neo Premium system exceed the high demands of the passive house. The innovative continuous glass fibre reinforcement (CFG) provides much greater strength and insulation than the traditional metal reinforcement used in other PVC windows. Thanks to this innovative form of insulation, the profiles are slimmer and have a high mechanical strength that allows triple glazing up to 54 mm thick to be accommodated. Complies with the strictest insulation standards. Available in a very wide range of colours and finishes. - Energy efficiency: very good insulation up to Uw = 1.06 W/m²-K. - Slim profiles for beautiful windows - Suitable for all types of double glazing up to 42 mm Best thermal insulation at a competitive price. Weather resistant, low maintenance and long service life. - Energy efficient: good insulation up to 1.1 W/m²-K - Sophisticated, sleek and elegant profiles with rounded edges. - Suitable for all types of double glazing up to 42 mm Windows to combine style with high thermal and acoustic insulation performance. - Elegant and tasteful in a choice of 4 styles - Optimum insulation: the same performance as Zendow platform windows in the basic, #neo or #neo Premium versions. - Carina Compact efficiency Excellent performance combined with economic competitiveness for large building sites. - Insulation of up to 1.5 W/m²-K - Unique 4-chamber system in a depth of only 60 mm - Suitable for glazing up to 35 mm