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Replacement Windows St. Louis


Window World of St. Louis is locally owned and operated by Jon Gillette & Jim Lomax. Window World of St. Louis is your local franchise of Window World Inc. Headquartered in St. Louis, Counties we serve in Missouri & Illinois include Pike, Franklin, Jefferson, Lincoln, Warren, Gasconade, Phelps, Crawford, Washington, St. Genevieve, St. Francois, Iron, Reynolds, Calhoun (IL), Green (IL), Jersey (IL), Macoupin (IL), Montgomery (IL), Madison (IL), Monroe (IL), St. Clair (IL), St. Charles, Bond (IL), Fayette (IL), Clinton (IL), Marion (IL), Washington (IL), Randolph (IL), & St. Louis Counties.

Our objective is to provide our customers with the best, most energy efficient, vinyl replacement windows, doors and siding, at the lowest possible price. Guaranteed.

Our window installers are factory trained and industry certified, meaning your every replacement window will be installed with precision. At Window World of St. Louis, we are committed to the highest quality workmanship for your home improvement needs. We also provide every customer with a FREE in-home window estimate & demonstration! We understand that purchasing windows or siding for your home is a major investment. Let us help you make the right decision.

Window World of St. Louis is proud to once again be named the #1 Home Improvement Contractor in the Nation from “Qualified Remodeler Magazine”, selling over 1 million windows annually from 2007 – 2011!

Contact Window World of St. Louis today to schedule your free in-home window estimate!

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