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Save Money with Replacement Windows
Reduce energy bills with our high-quality, energy efficient replacement window options.
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Summer Spectacular Window Blowout Sale!

Receive an amazing deal on new windows, FREE Low-E Coatings, ZERO payments, and an Amazon gift card all for your new window replacement!

4.9 out of 5 based on 856 Reviews

Your Window and Bath Partner

#1 Ranked Wisconsin Remodeler

Replacement Windows

Replacing the outdated, inefficient, and drafty windows in your home is one of the smartest investments you can make. In addition to boosting your home’s curb appeal and value, properly installed replacement windows increase the energy efficiency of your home, reducing your heating and cooling bills.

Window Styles

No matter what your home’s design, we’ve got replacement windows that will blend with it seamlessly.

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EcoSky Window Products

  • Sky Mirror Technology Extremely high performing, energy efficient glass system which dramatically improves thermal insulation and indoor comfort compared to standard insulating glass (IG) units.
  • Vinyl Windows Manufactured in America Four Point Welding Technology - A computer-controlled welding machine fuses each corner of the frame and sash to its counterpart to create one single piece.
  • Energy Star Most Efficient Offers superior winter heating and summer cooling due to its multicavity design. Blocks 99.5% of harmful UV rays.

Color Options

Mad City Windows' Award-Winning Services

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

Quality Workmanship
Family Owned
Award Winning
Lifetime Warranties
Customer Reviews

We were only looking to get a window repaired. A salesman from MAD CITY came out, he pretty much told us, they cannot just repair one window? OK, we thought this was a waste of time. Well this particular salesman (Ryan) took the time to explain to us the benefit of all new windows, the money we woul...

Chris B.