Condensation on Interior Surface of Window

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Old 12-05-08, 06:58 AM
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Condensation on Interior Surface of Window

Hello,
Here in Denver, the tempature dipped to about 4 degrees last night. This morning I found a layer of condensation on the interior side of a double-pane window. I see a slight trace of condensation in-between the panes. I think this means the window has lost it's ability to insulate and should be replaced. Could there be another cause for the condensation?

Thanks
 
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Old 12-05-08, 07:14 AM
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Nope...you probably have a seal failure since you see it between the panes. The window will still insulate, but not as well, esp if it was the gas filled type.

Any other windows affected?
 
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Old 12-05-08, 07:19 AM
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I checked the others in the house and there all dry. Thanks for your response.

Have a great day.
 
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Old 12-05-08, 03:32 PM
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Many windows have a 10, 20yr or lifetime warranty on the glass seal. The seal on that window has failed, it can't be repaired, but you may be able to have it replaced by the manufacturer. Is there a name on the window?? Look on the glass(etched in one corner), stickers around the edge of the frame or sash, etc.
 
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Old 12-18-08, 07:54 PM
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Are you sure that the Rh is not causing this!
 
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Old 12-18-08, 09:06 PM
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airman.1994 is very probably right -- it's more than likely the relative humidity that is causing the condensation, not a failure of the window, although it may well be that. (I can't see it!)

What room of the house is this window in? What is different about this room than all of the others? (The direction it faces, it proximity to the return air duct of your HVAC unit, kitchen or bathroom nearby, a closed door ... it could be any one or more of several things.)
 
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