During the 4th edition of the competition our company was awarded for the best technical and economic aluminum window available on the Polish market.

During the performed tests the following characteristics were taken into consideration: the energy efficiency of the framework, thermal insulation coefficients, fixing method, air tightness of the framework, solar energy transmittance, resistance and performance properties, water tightness, resistance to wind load, basic window glass pane parameters (acoustic insulation, colour transmittance), economics: cost of framework and assembly.