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First things first, when the temperature drops outside — does the area around your window feel significantly colder than the rest of the room? Can you actually feel the wind coming through? That’s a sign of an inefficient window.
Have you ever noticed your windows get a little weepy during the fall? By that I mean, you might start seeing condensation forming between the windowpanes. Sometimes moisture will present itself a little differently. If you don’t see condensation, you may see things like bubbling paint around the window, or perhaps a little bit of water in the window pan.
OK, so you’ve found some problematic windows in your home — now what do you do?
How to solve window problems
Some window issues can be fixed by a savvy homeowner with a little bit of elbow grease and a trip to the hardware store.
For those drafty, cold windows, often the caulking around the windows has worn away, allowing drafts to sneak in through the cracks. Drafts can account for up to 30 per cent of your home’s heat loss, so replacing old and worn caulking can often do the trick. Scrape out the old stuff with a putty knife, give the area a good clean with a damp cloth, and lay down some new caulking — make sure it’s an exterior caulking that will be able to expand and contract with the window.
Most windows today will be double or triple paned, and sealed with a gas to act as an insulating power to keep that condensation at bay by stopping cold and warm air from meeting. If that seal breaks down, you could start to see condensation, though that’s not the only reason you’ll see beads of moisture form.