Gaes Window Repairs: Residential & Commercial
“From the detailed estimate they provided to the high-quality and timely completion of the work, I couldn't be more impressed.”
Best Window Installers in Waukesha, WI
15 companies listed · 8 in Waukesha · 4 open 24/7 · 12 open weekends · all 15 rated 4.5+
Data verified October 20, 2026
Zenith Roofing and Construction
“Addressed all of my concerns, and was prompt in scheduling and communication about when the work was going to be completed.”
Renewal by Andersen
“From Cindy in Customer Service to Bret and Lawrence who installed the windows the service was top notch.”
Abby Home
“Abby Windows did a wonderful job and I am very pleased with the scheduling, communication and quality of work.”
Window Concepts
“From the salesman to the installers, it was a very positive , fun and very affordable situation, and if we ever need more windows....”
Security Glass Block Supplier Milwaukee
“Alex, Blake and Jose arrived on time and completed my job in a timely manner.”
Listed for homeowners in and around Waukesha, WI, these 15 companies fit and repair windows. Frame materials, glass options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.
Area overview: Waukesha, WI
8 of the 15 companies we list are based in Waukesha; the other 7 serve Waukesha from New Berlin (7 mi), Brookfield (7 mi) and Sussex (9 mi). The companies on this page are rated from 4.5 to 5.0 across 6,852 reviews; 14 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (89%) and value (79%). The topics that come up most in reviews of the companies on this page are "cleanliness", "crew" and "informative". 4 are open around the clock; 12 are open on Saturdays and 5 on Sundays. 1 shows a license on its website; 1 lists staff certifications (GAF) and 4 have a BBB rating of A or A+. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 1995. 4 offer emergency call-outs; 9 offer financing or payment plans; 10 give free estimates; 6 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do the listed window companies all have premises in Waukesha?
8 of the 15 give an address in Waukesha itself; the others serve it from within 20 mi. Many window companies work from a showroom that covers a wide area, so the address tells you little. What matters is whether the crew is employed by them or subcontracted, and who returns for warranty work.
Exterior Experts Llc
Smart Roofing & Sheet Metal Company
“Dale and his crew did a great job and was diligent in answering all our questions.”
Tightseal Exteriors & Baths
“The guys that installed were very professional and cleaned up great after the project was complete in 1 day.”
Exterior Pros
“I've utilized Exterior Pros twice now and both experiences were perfectly smooth.”
Homesealed Exteriors
“They did a great job communicating throughout the project and the install was quick and painless.”
Guardian Home Improvements
“Josiah was outstanding; went through options of the product; very polite thanks again Josiah”
Wisconsin Weatherall
“Jeff and Vicky were rock stars with the installation of eight windows, adding their special touch.”
Infinity Exteriors
“I felt that Infinity's understanding of our roof was extremely thorough, which left me confident that after Infinity was done with the job, we'd be left with a reliable and professionally installed roof.”
Pella Windows & Doors
“Sales was done by Joe Franco who was also courteous and knowledgeable about the product.”
Why these companies made our list
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