​​​​Cato Replacement Window Company

If you're considering replacing the outdated windows on your home, it's important to choose experienced Cato window contractors with a proven track record of success. At Mad City Windows, we've been installing top-quality replacement windows since 1998, giving us the experience you can trust for a virtually hassle-free remodeling experience. 

You don't have to take our word for it. 

With BBB accreditation and eight years of being Wisconsin's #1 Remodeler, you can trust that you're in the most qualified and capable hands when you choose us. Count on us for:

Lower Energy Bills with High-Efficiency Windows

At Mad City Windows, we're committed to providing our customers with the highest-quality products that are not only stylish, but functional as well. With our selection of energy-efficient windows from EcoSky, you'll enjoy a more comfortable indoor environment and a reduced energy costs. Innovative features of EcoSky windows include Sky Mirror technology, four-point welding, and enhanced insulation for the perfect blend of form and function.

Enjoy Expert Installation from Trusted Window Contractors

Our high-quality windows are just the beginning! We know that to get the maximum benefits out of our replacement windows they need to be expertly installed, and you can count on us to deliver. Our skilled window contractors are trained extensively to ensure they can provide a perfect custom fit and seamless installation for lasting results. 

Boost Curb Appeal with Stylish Vinyl Windows

We know that you have a unique aesthetic, and when you choose us, you'll enjoy an impressive selection of window styles and custom design options. Our experts will work with you to select vinyl windows that blend seamlessly with your home, choosing from styles that include:

Contact Us Today to Learn More About Our Cato Replacement Windows

When you're looking for top-quality Green Bay windows and trusted installation experts, look no further than Mad City Windows. We'd love to help you upgrade your home, so give us a call today to discuss your replacement window options with one of our helpful and friendly representatives. You can also fill out our online quote form to request your no-cost, no-obligation project estimate.

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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No Interest & No Payments Until 2026!