Plastic window. Nizhny Novgorod

In any room, regardless of its purpose, should be solved the problem of permanent ventilation. This is especially important for residential buildings. Ventilation systems in our homes are constructed simple way: hood in the kitchen, closet or bathroom, as well as the flow of air provided for through the cracks in the window openings. Ensuring continuous ventilation in the room - one of the essential functions of the window.

However, modern