Window World of St. Louis

Customer Reviews

"From the people who came to my house from Steve and Ken on down they are very professional people. Couldn’t ask for anything better."
- Ruth A.

5 Stars

"The people were great – Rob was very helpful and responsive. The Installation team put up with all my questions and were very helpful in explaining what they were doing when I asked and were just a good team overall."
- Ashley W.

5 Stars

"Very neat, very nice! Took time to explain everything about the windows. Great Workers! Clean-up was spotless. Very impressed! Thank you for your service."
- Deborah R.

5 Stars

Window Replacement 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 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 replacement estimate!