How to choose metal -plastic windows.

Tired of freezing in the winter in the apartment? You decided to make your housing much warmer and more comfortable? Start insulation from the windows. After all, as installed by experts, the largest amount of heat leaves the apartment precisely because of the outdated wooden structures of your windows. Of course, you can spend a few tape tape, kilograms of cotton wool and insulate the structure, but think about how it will all look. We recommend that you seriously think about replacing old frames with new.