Verdun Windows and Doors
“I was very pleased with the service from Andrew on the sales side and Patrick and Ivan who did the window installation.”
Best Window Installers near Clarence-Rockland, ON
None of these companies is based in Clarence-Rockland; they work from towns including Gatineau, QC (35 km), Ottawa (39 km) and Bourget (6 km).
10 companies listed · 1 open weekends · 8 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Thermos Maximum
“The job took about an hour and the technicians were professional and meticulous in their work.”
Renovaction Home Improvements Ltd
“We are thoroughly impressed with the work and the friendliness and professionalism exhibited throughout the job.”
Thermos Vizion
“I had a non-service and it's a turnkey service, no worries, they manufacture them so they can adjust along the way without problem, I recommend them and I will continue to do business with this company.”
Phoenix Renovation
Quality Windows & Glass Ltd
Listed for homeowners in and around Clarence-Rockland, ON, these 10 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: Clarence-Rockland, ON
The 10 companies on this page are rated from 4.3 to 5.0 across 1,940 reviews; 5 have 50 or more reviews and 8 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (79%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "price" and "efficient". 1 is open on Saturdays. 1 shows a licence on its website and 1 lists staff certifications (IICRC). Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 2 offer financing or payment plans; 3 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 9 of the companies on this page; 8 publish a contact page and 8 list a public email. 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 3 of the 10 companies on this page. It comes with a sales visit, so agree how long it will take before they arrive. Ask for the quote in writing on the day, itemized by window, and be wary of a discount that disappears the moment the visit ends.
Vitrerie De La Place Inc
Fenomax
“Super good service and very good product, thanks to the installation team Maxime and Alex”
Koral Windows and Doors Ottawa Installation
“This decades old family business is big enough to gain access to great products at a good price, yet small enough to offer very personalized service.”
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Fenex Windows and Doors
“From the sales staff at the store, to the installation crew on-site, everyone was a pleasure to work with.”
Why these companies made our list
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