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

Hi 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.


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Danny Lipford


Danny Lipford is a home improvement expert and television personality who started his remodeling business, Lipford Construction, at the age of 21 in Mobile, Alabama. He gained national recognition as the host of the nationally syndicated television show, Today's Homeowner with Danny Lipford, which started as a small cable show in Mobile. Danny's expertise in home improvement has also led him to be a contributor to popular magazines and websites and the go-to source for advice on everything related to the home. He has made over 200 national television appearances and served as the home improvement expert for CBS's The Early Show and The Weather Channel for over a decade. Danny is also the founder of 3 Echoes Content Studio, TodaysHomeowner.com, and Checking In With Chelsea, a décor and lifestyle blog.

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