Variety of Window Styles We Offer

If your old windows make your St. Louis home feel like an icebox in the winter and a sauna in the summer, consider replacement windows from Mad City Windows, one of the best window replacement companies.

Our St. Louis window replacement company provides many stylish window options with excellent energy performance:

  • Bay windows protrude outward from the home's exterior in a flat, angled design. 
  • Bow windows have four or more joined panels gently curved outward, maximizing the view. 
  • Casement windows swing outwards for airflow, allowing for maximum ventilation even in tight spaces.
  • Double-hung windows have two sections, one on top and one on bottom. Their tilt-in feature simplifies cleaning.
  • Sliding windows have two or more glass panels that open by sliding sideways, which makes them a functional and stylish choice.
  • Picture windows are large, unobstructed glass panels made for enjoying views and letting in natural light.
  • Energy-efficient windows are engineered with advanced insulating technologies to prevent heated or cooled air from escaping your home.
  • Awning windows are attached to the frame at the top and open outward from the bottom, which makes them great for ventilation and natural light while maintaining a sense of privacy.

High-Quality Vinyl Windows

With the high-quality windows our company provides, you get a long-lasting product that pays you back — you can save money on energy bills. In addition, you won’t have any of the painting, scraping, or rot issues that come with other types of residential windows.

Window Installation by Certified Experts

Proper installation ensures windows operate smoothly, seal tightly to prevent drafts, and have an appealing look. Our St. Louis replacement windows team has all the necessary qualifications and extensive experience in this field. And unlike many other window companies, we provide a lifetime warranty, so you can enjoy complete peace of mind. 

The Proven Process for Our Services

With our quality replacement windows, you get to enjoy added energy efficiency, better functionality, and a revitalized living space. Here’s how we’ll bring your project to life:

  1. Pick a date that works best for you and schedule a free estimate.
  2. Our specialist will visit your home and explain all the different options and styles. They’ll also measure the window openings.
  3. After you agree to the pricing, we'll order your new frames from the manufacturer.
  4. When they arrive, our certified installation crew will replace windows, and we’ll provide you with a lifetime warranty for the result!

Serving St. Louis and Neighboring Areas

Here’s why St. Louis homeowners can rely on our company:

  • Lifetime warranties cover both products and labor
  • Our window installation crew has perfectly mastered their craft over decades of operation
  • A family-owned company that values its customers
  • The Midwest's top destination for window, bathroom, and cabinet remodels
  • The winner of the Star of Madison Award
  • Accredited by the Better Business Bureau for our exceptional service
  • Over 50,000 successful home renovation projects
  • High-quality products made in the United States and certified by Energy Star for energy efficiency.

Get in Touch Today

Just complete the online form or give us a call. We'll visit your home in the St. Louis area and provide a free custom quote for new windows — no obligations, just a straightforward price estimate. Whether you need all your windows replaced or a smaller upgrade, we’re here to help!

Customer Testimonials

Mad City Windows' Award-Winning Services

Enjoy expert home renovations—and a level of service that is becoming harder to find.

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Quality Workmanship
Family Owned
Award Winning
Lifetime Warranties

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Plus Zero Down, Zero Payments, & Zero Interest for 24 months