When our customers purchase our products, they’re obtaining much more than products and installation services. Just as important, they get the peace of mind that Window World will stand behind its products for a lifetime. As the nation’s largest replacement window company, we are able to support our customers for the long haul. With clear, long-term commitment to service, we bring unrivaled value to our customers around the country.

A lifetime of happiness.

Window World Lifetime Warranty

Our customer service philosophy is best summarized by Window World CEO and Chairman Tammy Whitworth: “We sell a great product at a great price and we do what we say we’re going to do for each customer, each time.” We take care to ensure every customer has a fabulous experience, from the product, to the installation, all the way through to any necessary service as outlined in our superior warranty.

Window World’s lifetime limited warranty for residential properties is the strongest warranty of its kind. From the date of installation, Window World will be there to service any defects in material and workmanship*.

For warranty questions regarding specific products or to set up a free in-home estimate, contact us!

View Warranty

*Some limitations and exclusions apply. Please read the warranty in its entirety before making a purchase (contact the store for full details).

Satisfied Clients

George Donnelly

★★★★★

I would definitely recommend Window World to install windows. Rob was great and Sylvester did a fantastic job installing the windows.

Laura Chen

★★★★★

Salesperson was knowledgeable and friendly, made it easy to order the right windows. Windows came in when expected. Price was competitive.

Brandy H.

★★★★★

Window World of Western Chicago did an excellent job from start to finish. Everyone was professional and kind.

Heather Friedel

★★★★★

Great price & great service. They cleaned up after work was done...truly a great experience! Give a shout out to Sylvester!!

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