If we take into account the use of technology such as downloading inert gas inside inter -stacol chambers, which makes it possible to make a double -glazed window for a lot already, while maintaining even more heat, it turns out that “greedy pays twice”. Simply put, if you install, plastic windows that are more expensive, then after a few of your costs will pay off in the form of funds saved on the consumption of electricity or gas for heating the room. In addition, such windows will last much longer.