​​​​Hartford Replacement Window Company

Since 1998, Mad City Windows has provided premium replacement windows that check every box for style, durability, and energy efficiency. When you’re ready to invest in your home, our Hartford window contractors deliver exceptional value and flawless workmanship.

And it gets even better.

We do what we can to keep our pricing fair, so you don’t have to overpay for the high-performance windows you want. Are you still worried about budgeting? Ask about our simple financing options with attractive terms and low monthly payments.

All of our Eco Sky windows offer impressive energy efficiency, including popular styles such as:

Energy-Efficient Double-Hung Windows

These vinyl windows look traditional, but they deliver up-to-date features that help you enjoy a more comfortable home and to trim your heating and cooling costs. Did you know that up to 30% of a home’s energy is lost through air leaks around windows? Our windows prevent those losses and lower your family’s carbon footprint.

Beautiful Bow Windows

Similar to a bay window, bow windows are comprised of four or more windows installed in such a way as to form a gentle curve. Since the windows extend away from the house, your room will be flooded with lots of natural light. Choose from any combination of fixed and operational windows for a custom finish.

Stylish Picture Windows

Make the most of your views with the addition of an energy-efficient picture window.  You’ll have your choice of several sizes, and a designer will help you choose a window that suits your space. As is the case with all of our windows, our highly-skilled professionals will provide expert window installation.

Charming Garden Windows

Do you love to grow fresh herbs and other small plants? Do so year round—even when there is snow on the ground! A garden window is an appealing addition to your kitchen and provides the perfect growing spot as well as plenty of natural light. The windows are fixed, but you’ll have the option of adding side vents for fresh air.

Contact Our Highly Rated Hartford Window Contractors Today!

Don’t let one more season go by in which you’re paying too much for your heating and cooling bills. Contact our window contractors today to learn more about Mad City Windows' products and services and to schedule a free consultation and cost estimate for a window replacement in Milwaukee. 

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!