Pros of windows with a large number of cameras

If your apartment or private house does not have good heating, then you must keep warm well. For this reason, during the choice of modern plastic windows, windows with a large number of cameras are used. There are windows: with 1, 2 and 3 cameras. As many understand, the more cameras, the more glasses. You should choose the maximum option if your heating is very bad. It is clear that the more cameras, the more the cost of the window structure. But, over time, you can return the money spent by preserving heat in your house.