Our insulated glass windows are approximately 25 years old and are getting moisture between the glass inside the sealed window. Should we contact the company that made them to see if they are defective? -Donna
If the insulated glass on your windows lasted 25 years before you had a problem, you’re doing pretty good. The warranty on the seal on insulated glass windows can vary from as little as one year to a limited lifetime warranty for as long as you own the home, so I would start by checking with the window manufacturer to see if yours are still covered.
If the glass is no longer under warranty, you can replace the glass in the window or the entire window unit. If you do decide to replace the glass or window, be sure the new glass comes with at least a 10-year warranty against the seals leaking.
To save energy and lower your utility bills, choose glass that’s filled with an insulating gas, like argon or krypton, and has a Low-E coating that is configured to minimize heat loss and gain in your area.
- Choosing the Right Windows (article)
- How to Select Insulated Windows (article)
- Advantages of Low-E Glass in Windows and Doors (video)
- How to Remove Moisture from Double Paned Windows (article)
- How to Know if Insulated Glass Windows Need Replacing (article)
- How to Remove Moisture from Double-Pane Glass Windows (article)
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