HomeAdvisor’s Window Repair Cost Guide lists price information on fixing and restoring residential windows, as reported by HomeAdvisor customers..How much broken window repair should cost. Average costs and comments from CostHelper’s team of professional journalists and community of users. Replacement glcan cost $ $ or more a square foot, depending on the type of glneeded single pane, double glazed, insulated, etc. , for a cost of $ $ varying from a small piece of glto one up to ‘ wide and ‘ high..Illinois Window Repair.com years experience in glrepair, window frame repair, and door window repair.We not only repair and replaceed gl., but also handle window warranty service.Most windows have a limited life time warranty on the gl If you have fogged windows most likely you have ‘seal failure’, which in most cases means you may be eligible for free glfrom the .Overview. If you’re thinking about replacing your ca.t windows because they’re drafty, fogged up or just hard to open, consider this You can fix most of the problems yourself for a fraction of the cost of new windowsand it won’t take you more than an hour or two per window..