Double Glazed Window Repairs Double-glazed windows are a great energy saving option as they have two panes that have a spacer filled with air or dense gas between them. This creates a seal that prevents heat from escaping your property in winter and draughts in the summer. Repairing your double-glazed http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1206214