Jensen Windows
“I love the Baroque glass in the door and the clear sidelights.”
Best Window Installers near Dundas, ON
2 of these companies are based in Dundas; the others serve Dundas from Burlington (14 km) and Hamilton (8 km).
1 open 24/7 · 6 open weekends · 12 rated 4.5+ · 2 show a licence
Data verified October 16, 2026
Aerloc Industries
“Great place for all your glass and window needs !”
Custom Contracting Roofing & Eavestrough Repair
“It took a while to get the supplies but work was quick and tidy.”
Doorway Inc
“Super easy process and fair prices - I called another company and said there was 'no way we could do less than 10k' and then I called doorway who gave me a better door and much better price.”
The Door Centre
“From the original visit, to fair pricing and then installation, all went so smoothly.”
Golden Horseshoe Roofing
“Once complete, the owner came by and did a final install inspection, approval and made sure there were no errant nails or debris left over.”
Listed for homeowners in and around Dundas, ON, these 15 companies fit and repair windows. Frame materials, glazing options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.
Area overview: Dundas, ON
The 15 companies on this page are rated from 4.0 to 5.0 across 2,408 reviews; 14 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "cleanliness", "estimates" and "price". 1 is open around the clock; 6 are open on Saturdays and 2 on Sundays. 2 show a licence on their websites. 1 offers emergency call-outs; 2 offer financing or payment plans; 10 give free estimates and 4 are family- or locally-owned. We have a website on file for all 15 of the companies on this page; all 15 publish a contact page; 11 list a public email and 1 takes bookings online. 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 Dundas?
2 of the 15 give an address in Dundas itself; the rest serve it from within 20 km. A showroom often covers a whole region, so distance matters less than who does the installing. Ask whether the fitters are employees, and how a callback in the middle of winter is handled.
Eurostar Windows & Doors
“An extra special thanks and appreciation to the instal team Ilya and his crew, Denis and Mohammad who worked in the freezing cold - snow and ice - to get our windows installed and did such a beautiful job.”
Silicone Seals Caulking Sealing & Pest Blocking
“I'd recommend hiring them to do the job right and avoid the frustrating job of removing old caulking yourself and making a mess as I have done many times before.”
Desi's Renovations
“Great work done our siding and replacement of our sliding back door.”
Lake City Home Improvements
“We converted a window to a door for a reasonable price, in addition to other replacements.”
Evergreen Homes Windows & Doors
“Jerry and his team of installers were fantastic, worked non stop in the blazing heat and sun and cleaned everything up afterwards.”
Award Windows Inc.
“Installation is always a breeze, qualified amazing workers come and get the job done in a timely manner”
Everlast Windows and Doors
“We'll absolutely be using Everlast for all of our windows and doors moving forward and would highly recommend them to anyone looking for quality workmanship and great service.”
West Windows & Doors
“They were on time and on budget, and the quality and craftsmanship are excellent.”
Gerry's Roofing & Siding Inc
“Everything went very smoothly and we would definitely recommend Gerry's Roofing and Siding.”
Why these companies made our list
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