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Replacement Windows St. Louis


Window World of St. Louis is locally owned and operated by Jon Gillette & Jim Lomax. Our objective is to provide our customers with the best,, vinyl replacement windows, doors and siding, at the lowest possible price. Our poducts are made in America and also come backed by a lifetime warranty. 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 are proud to service Greater St. Louis and surrounding areas in Missouri & Illinois, including:

  • Pike
  • Franklin
  • Jefferson
  • Lincoln
  • Warren
  • Phelps
  • Crawford
  • Washington
  • St. Genevieve
  • St. Francois
  • Marion
  • Reynolds
  • Calhoun (IL)
  • Green (IL)
  • Jersey (IL)
  • Macoupin (IL)
  • Montgomery (IL)
  • Madison (IL)
  • Monroe (IL)
  • St. Clair (IL)
  • St. Charles (IL)
  • Bond (IL)
  • Fayette (IL)
  • Clinton (IL)
  • Washington (IL)
  • Randolph (IL)

    We understand that purchasing windows or siding for your home is a major decision. Let us help you make the right choice! Contact Window World of St. Louis today to schedule your free in-home window replacement estimate!

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    Customer Stories  Close 
    • Two gentlemen that installed the windows did a fast and clean job.
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    • I love my windows. My energy bill has dropped over $25 per month.
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    • Window World delivered everything promised.
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