Les Portes & Fenêtres Charland
“The process was extremely smooth, there were no surprises, Demetrio and his team always responded very promptly and follow-ups were done regularly throughout the design, planning and installation process.”
Best Window Installers in Montreal, QC
17 companies listed · all 17 in Montreal · 5 open weekends · 9 rated 4.5+ · 6 show a licence
Data verified October 17, 2026
Manic Aluminium Ltee
“I am very happy to have chosen this company to change my front door.”
Mag-Mtl Projets Inc.
“I used to hear conversation from the street and be woken by frequent car noises or garbage trucks, but not anymore.”
RD Construction Inc
“He's super detail oriented and actually cares about the quality of material and the service he's providing-- we've heard so many good things from our friend who worked with them too, their sparkling reputation makes sense.”
Portes et Fenêtres Porto/Porto Windows and Doors
“They replaced our windows, they are awesome 👌 and great quality product.”
Adurra Portes et Fenêtres
“The window and patio doors are amazing and the quality is outstanding.”
Listed for homeowners in and around Montreal, QC, these 17 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: Montreal, QC
All 17 companies we list here are in Montreal itself. 15 of the companies on this page have a rating, from 3.6 to 5.0 across 457 reviews; 3 have 50 or more reviews and 9 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (96%), responsiveness (75%) and value (75%). 5 are open on Saturdays and 1 on Sundays. 6 show a licence on their websites. Domain records put 8 websites of the companies on this page at ten or more years old; the oldest dates from 2007. 1 lists coupons or special offers. We have a website on file for 15 of the companies on this page; 8 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?
6 of the 17 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.
Hydro Aluminium Portes et Fenêtres
“Even though we were a relatively small contract, they always took the time to respond to our follow-up requests and promptly corrected the situation for a small defect.”
Doors and Windows
“Good listening from the technician who explains to me how to resolve the problem and sends me a link with an explanatory video.”
DV Aluminium & PVC
“We love working with Dv aluminium , they treat us like family.”
Vitrerie Rénovatech Inc
“1st come to take the measures, and provide a precise and clear estimate.”
HK Glass and Hardware Sales Inc
“One of the best glass guys in the city!”
L' Atelier Diplomate
“Nothing but Good to say thank you Eric and Jim !”
Portes et Fenêtres Fentek
“I want to thank JF and Stephane for the quality of the product and work that was done in installing windows in our home.”
Superior Windows & Doors
“They didn't finish the job until we were really, really satisfied with every detail.”
Qualum International
Métropole Windows Inc
Le Groupe Cubo 2008 Inc
Why these companies made our list
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