Improve home efficiency by replacing outdated windowsHow Long Do Windows Last? The average window will typically have a lifespan between 15 to 20 years. Once the windows reach this age, it's ...

In short, yes. Triple pane windows are a solid spend. Chad Kleis, vice president of business development for Window World says, 'Windows with triple pane glass are worth the investment.

If you notice that fogging seems to occur regularly between the window panes or that there is severe damage to the frame or pane of the window, then you should invest in a replacement.