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Getting Rid of Condensation On A Bay Window

  • Transcript

    LESLIE: Alright. Now we’re heading over to Iowa where Chad has a question about condensation on a bay window.  What’s going on, Chad?

    CHAD: Hi. I have a – well, it’s a bay window that’s three windows. The center one is larger than the other two on the outside. And on the center one, I get a condensation problem in the – it’s kind of an oval shape directly in the center of that window. Can’t seem to figure out why it’s doing that.

    TOM: So, Chad, is this condensation on a thermal-pane window or a double- or triple-pane window?

    CHAD: It is double-pane.

    TOM: And the condensation, of course, is in between the panes of glass?

    CHAD: Correct.

    TOM: Yep. So what’s happened here is the seal between those panes of glass has failed and it’s allowed warm, moist air to get in there. So as – especially as it gets cold outside, you have that warm, moist air striking the cold glass on the exterior. And then as the air chills, it releases its moisture and it condenses, much as what would happen, say, in the summer if you were outside with a glass of iced tea or soda and you got moisture on the outside of the glass. That’s the condensation that you’re seeing.

    Now, there’s not really a great solution here because once the window panes fail like that, you have to pretty much replace the entire window pane. Now, it’s possible that you could have a pro take this window apart and replace just that one section but it’s just not easy. If there is good news it’s this: it’ll have a minor impact on your energy efficiency, so it’s mostly a cosmetic problem that you’re experiencing. So if you can live with the look, just live with it. It may get a little bit worse, it may get a little bit better depending on the temperature difference between outside and inside. But it’s not going to affect the window in any other way.

    CHAD: Yeah. OK. I appreciate it.

    TOM: Good luck with that project. Thanks so much for calling us at 888-MONEY-PIT.

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