The bluEvolution 82 AD window is the latest generation of warm PVC windows distinguished by their modern appearance and top technical solutions. These windows are dedicated for use in energy-efficient construction and passive buildings. They are equipped with a special system of 6-chamber PVC profiles with a width of 82 mm, which, together with a set of gaskets and a two-chamber glazing package, allows the construction of windows with excellent thermal insulation parameters: Uw = 0.79 W/(m2K). Thanks to the use of state-of-the-art technology, windows in the bluEvolution 82 AD system are distinguished by the highest level of energy efficiency, which translates into savings in heating expenses in relation to the cost of their purchase. The window shape fits very well in houses with modern architecture.