As the temperature outdoors drops and heating bills rise inside your home, you might be wondering how to seal windows. After all, leaky windows—especially in older homes with single-pane designs—can ...

You might not see it, but there’s a good chance your windows are quietly wasting energy—and driving up your utility bill.

Do — Inspect the window caulking, especially in the places where sealant problems are common: the bottom corners of windows and in between windows. Do — Rosie recommends polyurethane caulk, also ...

Step 1: Use a scraper to remove the old caulk from the interior of the window where it borders the window trim and the ...

As my energy-efficient furnace works away these days, its efforts to heat my home are hampered by cold air seeping in and heat leaking out of my drafty 1926 bungalow. I don't have the thousands of ...

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 ...