Pella Windows & Doors
“Installation was done in a timely manner; any mess was cleaned up; the windows are very good quality!”
Best Window Installers near Outremont, QC
These companies serve Outremont from nearby bases in towns including Laval, Montreal and Saint-Laurent.
15 companies listed · 3 open weekends · 11 rated 4.5+ · 7 show a licence
Data verified October 17, 2026
Innovation Portes et Fenêtres
“Very good work done by Rudy, all the way from the first contact to quote to contract to installation.”
Portes et Fenêtres Olympas
“Look no further, Olympas is everything you want & need in one!”
440 Portes et Fenêtres
“Team did a great job starting from sales all the way to installation.”
N.e.w. Factory
“Communication went well with them and they were able to answer our questions at the time.”
Élit Tech Portes Fenêtres & Toitures Métalliques
“Jay, vice president, was friendly and accessible throughout the process!”
Listed for homeowners in and around Outremont, QC, 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: Outremont, QC
The 15 companies on this page are rated from 4.2 to 5.0 across 3,001 reviews; all 15 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (78%), quality (75%) and value (75%). The topics that come up most in reviews of the companies on this page are "communication" and "cleanliness". 3 are open on Saturdays. 7 show a licence on their websites. 8 have ten or more years of experience, the longest 31 years. 1 offers financing or payment plans; 5 give free estimates and 4 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 10 publish a contact page and 11 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which listed window installers say they are licensed?
7 of the 15 listings on this page show a licence on their websites. Licensing is provincial or municipal, so confirm the claim with whoever issued it. Ask separately about workers' compensation coverage, which is the document that protects you if an installer is injured working on your property.
Portes et Fenêtres Factory Direct Montréal Windows & Doors
“Factory direct treated my order top priority and delivered exactly as expected”
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Doors & Windows Inc South Shore
“Great service from Manon Gagnon, the wind representative at Fenplast St-Hubert.”
AD Portes et Fenêtres Inc.
“Attentive and honest service from start to finish, all my thanks to the team as well as a special mention to Alexandre for his unparalleled attention.”
Portes et Fenêtres Impérial Inc.
“The windows are nice and good, the installations were as promised, well done, clean and with a nice finishing touch.”
Les Portes & Fenêtres Charland
“Demetrio made great recommendations and the windows and doors look great.”
GIT Portes et Fenêtres Montréal
“Very good and competent product I recommend”
Manic Aluminium Ltee
“This large-scale project always generates stress but what a great and wise decision to have opted for this very professional company and we can't wait to do it again with them for phase 2 to come.”
Rénoassistance
“I will not hesitate to reconnect reno-assistance for any other future renovation project, a special thank you to Isabelle Audy for her professionalism, courtesy and expertise throughout the process.”
Portes et Fenêtres Président
“The installers Benoît and Pascal did a professional installation and impeccable work and are very concerned about protecting the floors and working cleanly.”
Why these companies made our list
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