Energy-efficient windows can improve comfort and reduce heat loss. Learn how they work, what features matter and when ...

Dear James: With my own and neighbor kids playing sports, there are some cracked window panes I have to replace. What’s the proper way to replace glass in a wood window? — Sheryl K. Dear Sheryl: It ...

Question: I want to buy new replacement windows, but the cost is outside my budget. Is it possible to install windows myself and save the labor cost? Do I have to remove all the old trim and framing?

Q: I need to upgrade my old wood windows, but I like how the frames look. They don't stay open now, and the single-pane glass is inefficient. How can I switch to double-pane glass and tighten them up?

Congratulations, you have great windows. Now here's how to avoid damaging them.

Q: I've read your recent column about windows and have some related questions. I have dual-pane windows whose cells have "leaked" and the inside surfaces are discolored. They are installed in ...

You might feel a draft. Or notice that your window sashes are damaged. Maybe the panes fog or condensation collects between them. Or, worse, the frame itself is rotting. If any of these scenarios are ...

If you can’t see clearly from your windows, it may not be your eyesight. It could be the glass. Not your eyeglasses, but the actual window pane itself. Or if you notice the windows are unable to keep ...