Weather Tight Corporation
“Be prepared for a somewhat lengthy sales process when you get a quote - but this is because they really get into every detail (which is a good thing).”
Best Window Installers in West Allis, WI
15 companies listed · 5 in West Allis · 5 open 24/7 · 10 open weekends · 14 rated 4.5+
Data verified October 20, 2026
A Custom To
“From Keith the salesman, to Renee in the office, to the installation crew, there is not a thing we would change.”
Weatherpro Exteriors
“Brad Kaul and his team did an amazing job with our skylight.”
Truvista LLC
“MO the owner does care about the quality of his work and make sure there is good job done.”
Rich Improvements LLC
“We've had Rich Improvement do several projects and hired him again and again because his prices are fair, he doesn't waste time getting the work done and it's quality.”
Advanced Exteriors
“I was able to easily coordinate with them when I was out of town otherwise i would not have been able to get in my drive way.”
Listed for homeowners in and around West Allis, 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: West Allis, WI
5 of the 15 companies we list are based in West Allis; the other 10 serve West Allis from towns including New Berlin (4 mi), Wauwatosa (3 mi) and Greendale (5 mi). The companies on this page are rated from 4.0 to 5.0 across 5,817 reviews; 13 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (86%) and responsiveness (78%). 5 are open around the clock; 10 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are attic insulation (2), gutters (2) and roof repair (2). 1 shows a license on its website; 1 lists staff certifications (GAF) and 9 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 72 years. 5 offer emergency call-outs; 8 offer financing or payment plans; 10 give free estimates; 8 are family- or locally-owned and 2 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.
Is the home visit and measurement free?
A no-cost quote is offered by 10 of the 15 companies on this page. Expect a sales presentation with it. Set a time limit before the appointment, ask for the written quote to be left with you, and treat any price that expires when the salesperson leaves the house as a reason to keep looking.
Smart Roofing & Sheet Metal Company
“Smart Roofing did an outstanding job on roof replacement both on our home and garage.”
Tightseal Exteriors & Baths
“They installed two doors and it was expertly done to our satisfaction.”
Zenith Roofing and Construction
“Our sales rep was Lauren, and she is absolutely the best… always willing to go the extra mile and just a pleasure to do business with!”
J&J Contractors I LLC
“Dave had excellent communication throughout the project, regarding delivery's, scheduling, and work being completed.”
Homesealed Exteriors
“Everyone I delt with at Home Sealed was exceptional in every way fro.”
Guardian Home Improvements
“Josiah was great again happy to have my metal roof fixed thanks again Josiah:)”
Window Depot USA
“We previously checked most of the major window and door companies and window depot was the best for quality and price !”
Absolute Restorations
“I would recommend Josh to any home owners considering roof replacement or repair and you may benefit from his expertise of assessing whether your insurance can cover the proper portion you deserve.”
Infinity Exteriors
“Jon was very easy to work with, very knowledgable and explained every detail.”
Why these companies made our list
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