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Fenplast
“Great service representative who listens to our needs and cares about good after-sales service just wow for all this very rare these days this impeccable service”
Best Window Installers in Sherbrooke, QC
10 companies listed · 5 in Sherbrooke · 2 open weekends · 6 rated 4.5+ · 4 show a licence
Data verified October 17, 2026
Vision d'Ici
“Erik has been there for us since the very beginning of our construction project (windows, countertops, cabinets).”
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Fenplast
“We had very good service from start to finish, and they knew how to ask the right questions to meet our needs.”
Portes et Fenêtres Plus
“Congratulations and thank you, we are more than satisfied and very warmly recommend this company and Yan Bernier”
Portes et Fenêtres A R Turgeon
“The team came to install it today and everything went perfectly.”
Profenex
“The soundproofing makes all the difference as we live near the highway.”
Listed for homeowners in and around Sherbrooke, QC, 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: Sherbrooke, QC
5 of the 10 companies we list are based in Sherbrooke; the other 5 serve Sherbrooke from Magog (25 km) and Waterloo (49 km). 9 of the companies on this page have a rating, from 3.8 to 5.0 across 143 reviews; 6 are rated 4.5 or higher. 2 are open on Saturdays. 4 show a licence on their websites. Domain records put 5 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 1 gives free estimates and 1 lists coupons or special offers. We have a website on file for 9 of the companies on this page; 6 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.
Do the listed window companies all have premises in Sherbrooke?
5 of the 10 give an address in Sherbrooke itself; the rest serve it from within 50 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.
Vario Glass Inc
Abco Réparation Portes Et Fenêtres
Construction Pelroy Sherbrooke
“I highly recommend this company for your renovation or new construction projects if you want humane and honest service.”
Bachand Menuiserie & Fils Inc
“They are very professional, rigorous, provide good advice and offer you a high-end product.”
Why these companies made our list
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