Old 08-17-01, 04:23 PM
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I have double hung windows that have moisture form on them in the fall & ice up when the temp. drops below 30. What is causing and how can I fix??
Old 08-18-01, 04:58 AM
Join Date: Mar 2000
Location: Arlington, WA
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It is caused by a combination of things. The temp. and humidity differences between the inside and outside of the glass, and air leakage around the window frames. Curing the problem requires that you attack all 3 issues, and that is easiest to do by upgrading the windows.

Installing new energy efficient windows will solve the problem and reduce your heating costs significantly. Many utility companies are offering rebates and other incentives when you do that.
Old 08-27-01, 07:03 AM
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The problem is these are new replacement windows that are vinyl argon gas low e double hung. The ice is forming where the 2 panes of glass come together in the middle and where the sit on my window sill. It sounds like from what you are saying that these new windows were not properly installed?? We had no moisture until the windows were put in. Is there people who inspect installation??

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