How-To Videos

How to Replace Insulated Double-Pane Glass Windows

By: Danny Lipford
Removing fogged insulated glass on a window for replacement.

Removing fogged insulated glass on a window for replacement.

Insulated double-pane glass windows are very energy efficient. However, over time the seal separating the two panes can break, allowing outside air and moisture in that can fog up the glass.

One way to repair this problem is to remove and replace the glass while leaving the window unit in place. Watch this video to find out more.



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9 Comments on “How to Replace Insulated Double-Pane Glass Windows”

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  • Evans Glass Says:
    June 22nd, 2016 at 6:55 am

    Insulating glass is two or more plies of glass enclosing a hermetically sealed air space. Inherently, insulating glass increases a window’s thermal performance.

  • Marsha Says:
    May 26th, 2016 at 11:50 am

    Not looking for new Windows, that’s what most contractors do, con you into buying new. My double insulated Windows have moisturizer inside. Just looking for someone to take apart and reseal the window.

  • bill Says:
    May 24th, 2016 at 9:49 am

    where can I get a replacement double glazed window glass ? I have the double pane window unit out of the frame and I can’t find a place to buy the replacement glass unit

  • Official Comment:

    Lindsay Hughes Says:
    April 28th, 2016 at 10:30 am

    Jim, you can search for contractors in your area on Pella’s website:

  • Jim Says:
    April 27th, 2016 at 9:14 am

    I have a large window pane from a pella window that was broken by a stine. Can you provide to ma a list of contractors in the Phila, pa area who would do this work. Thank you

  • Tom Says:
    June 1st, 2015 at 7:41 pm

    Where do you buy the double thermal pane replacement glass that goes into the aluminum frame?

  • Maretta Breiner Says:
    September 19th, 2013 at 12:42 pm

    What would cause an Insulated double-pane glass window to blow out? There are no signs of anything hitting it and it is placed too high for someone to get to it.
    Thanks for your answer.

  • Bill Murray Says:
    January 16th, 2012 at 9:15 am

    Where can you purchase replacement, double pane window glass. I have one cracked by a stone.

  • david caskey Says:
    January 13th, 2012 at 11:57 am

    I have done every thing you say to do for sweating on inside windows and storm doors , nothing has worked and they are double pane and hign end doors and windows. They are a mess and have ruined the wood and new curtains also. The house has new every thing . we are thinking of new windows with 3 panes and double hung with gas . all those other people on remarks of same problem is the reason we put in new ones and upgraded home with vents and etc.

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