Q: I have a large kitchen window that was installed around 1986. I don’t recall the manufacturer, but it could be Andersen. The window is single-pane glass with 16 panes, eight over eight, with ...

Is your window glass cracked, chipped, or broken? Window glass replacement cost ranges from $180 to $411, with the national average at $281.

Before you get new windows for your home, consider your budget, the window style and material, and whether you can repair your existing windows.

The fact is, all single-pane windows need reglazing periodically. Replacing cracked putty will save energy and prevent rot from invading your windows.

And since there's no way to re-seal an insulated window, replacement of the glass is the only option for restoring maximum thermal performance, in addition to solving the condensation problem.

Low-E (low-emissivity) coating is applied to window glass to help reflect heat. Adding argon gas between the panes of glass adds increased insulation to the window.

With an average cost of $1,450 per window, triple-pane windows are more expensive than double or single-pane windows because of the additional glass.