An investigation on the window solutions applied in the buildings in the 21st century

Windows, one of the most important structural elements of the buildings; allows us to connect the building to the outside world or limit it to our preferences. In addition to functions such as protection in terms of safety, thermal insulation, wind and rain insulation, isolation of outdoor noise, it also meets many needs and expectations such as benefiting from daylight, ventilating, reaching the outdoor landscape, in terms of apparence interior and outdoor visuals. Starting from the historical development of windows, its importance to architecture, thorugh to technological developments, window options are evaluated in the variety of materials and processing techniques use in window manufacturing with the possibilities we have today. Besides the main tasks of the windows, the functions such as thermal comfort and energy saving and protection from the adverse effects of the sun have been examined through to the protection of the building's interior heating or cooling. The material options were compared in terms of their durability, low maintenance needs and appearance and aesthetics.