Call us!!(608) 448-3838

Ganser Company Inc

Ganser Company Inc

Special Offer Today! Schedule a Free

In-Home Consultation from a Local Expert

Contact Retailer for Details

* Required field

Ranked #1 in Customer Satisfaction
with Window and Patio Door Manufacturer Brands

For J.D. Power 2019 award information, visit

Infinity Replacement Windows

Infinity Windows from Ganser Company Inc. in Madison, WI

Ganser Company has been a locally-owned and operated family business proudly serving the Greater Dane County area for more then 75 years. Serving Madison, Monona, McFarland, Verona, Fitchburg, Middleton, Sun Prairie, and surrounding areas for all roofing, siding, window, and repair needs. Ganser Company will bring your home's original beauty back with timeless products, new innovation, and hands-on displays designed to let your imagination run wild!

Infinity windows can help reduce home energy costs. Lab tests show that the energy used to heat or cool your Madison, WI area home can be lost through poorly insulated doors and windows. Madison and surrounding area homes with unsatisfactory and drafty insulation often suffer from unnecessarily high energy bills. The combination of poorly fitted frames, inefficient glass and porous wood or vinyl frame materials combine to waste the money you spend to keep your home safe and comfortable.

Infinity replacement windows look like traditional wood, but are a longer lasting option in comparison to traditional wooden windows. Our patented Ultrex® fiberglass technology makes these windows energy efficient and tough, as strong as low carbon steel and 8 times stronger than vinyl. Built on over 100 years of experience from Marvin, Infinity windows remain weather tight and stable even in extreme weather. The risk of air leakage is reduced thanks to the low thermal expansion rate of fiberglass. Available in many standard shapes and sizes, Infinity windows are also customizable to meet the needs of any replacement project. They incorporate the details of traditional wood windows without the maintenance, so you can be confident to upgrade your windows to Infinity windows from Ganser Company.

Learn more about the options and durability of Infinity replacement windows from Ganser Company today.

Ganser Company Inc
1906 W Beltline Hwy.
Madison, WI 53713

(608) 448-3838

Mon - Fri 8:00am - 5:00pm

"We attended the Spring Home Show and looked into 3 different brands of windows. We did our research and were most impressed with Infinity from Marvin. Not only because of the window itself but also because they could match the oak floors, trim, and oak cabinets. Not only did they match it but it looks incredibly beautiful. We chose to add the bow window. It was perfect. Steve was a knowledgeable and sincere salesman. The service was incredible, the installers, more incredible. The team sent up here were meticulous about every fine detail of the installation and very thoughtful about our time, home and space. And...the windows are fantastic. Good investment. Highly recommend them over other name brands."

Infinity Replacement Windows

Infinity windows are custom-built for your home with Ultrex® fiberglass to strike the perfect balance between performance and design.

Infinity Replacement Doors

Infinity doors offer durable Ultrex fiberglass performance combined with thoughtful design features that improve your view.

We'll streamline your entire
replacement project