Window replacement isn’t something that you need to do frequently. You’ll probably only have to tackle this project once or twice in your lifetime. That’s why when you do, you need to properly plan for it. 

You might be considering a window replacement for several reasons, such as a desire for increased energy-efficiency and indoor comfort. But if you’re not sure if you’ll need a full replacement soon, you can always check your windows for signs of trouble such as rot, warping, condensation between the panes or difficulty opening and closing [...]