Portes et Fenêtres Olympas
“The business owner asked me to send couple of photos of the door and instead of pushing for a service call, he spent couple of minutes on the phone with me explaining how to fix it myself.”
Best Window Installers in Laval, QC
24 companies listed · 18 in Laval · 4 open weekends · 21 rated 4.5+ · 11 show a licence
Data verified October 17, 2026
440 Portes et Fenêtres
“The finishing moldings, the collection of debris, the cleanliness, in short we recommend without any restriction the purchase and installation of 440 window products.”
AD Portes et Fenêtres Inc.
“For me the important is not to know if they are cheaper or more expensive, it is that everything is well done that is the important for me, as regards the price it is competitive with the everything market.”
Aluminum B Bouchard Inc
“We are very satisfied both with the estimation stage and the choice of materials with Jacob, as well as with the covering work carried out by Marie-Lou and Steve.”
CBE Fenestration
“The installation of the windows (4 windows in the basement) was done by a competent, affable technician, keen to create as little dirt as possible in the surrounding area.”
Rénoassistance
“Kathleen listened carefully to all the details of my project and found three contractors that were all verified to support the work and followed the project to a successful completion.”
Listed for homeowners in and around Laval, QC, these 24 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: Laval, QC
18 of the 24 companies we list are based in Laval; the other 6 serve Laval from towns including Terrebonne (16 km), Dorval (11 km) and Dollard-des-Ormeaux (12 km). The companies on this page are rated from 4.2 to 5.0 across 2,578 reviews; 15 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (88%), value (75%) and quality (73%). The topics that come up most in reviews of the companies on this page are "communication" and "cleanliness". 4 are open on Saturdays. 11 show a licence on their websites. 11 have ten or more years of experience, the longest 31 years. 1 offers financing or payment plans; 3 give free estimates; 1 is family- or locally-owned and 5 list coupons or special offers. We have a website on file for 23 of the companies on this page; 18 publish a contact page and 18 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.
Which listed window installers say they are licensed?
11 of the 24 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.
Héritage Portes et Fenêtres
“Excellent service from Mr Piton, I contacted several companies and he was the only one who informed me of the regulations relating to the opening of windows for evacuation and offered me alternatives to the window models initially chosen”
Viragevert Portes et Fenêtres
“However, after discussing with Yassine and Jonathan, the whole thing was a misunderstanding and we easily found an agreement that was satisfactory for everyone.”
Expo Aluminium Inc.
“Neighbors recommended the services of Expo Aluminum to me for the repair of the 3 balconies and straight and spiral staircases, at the back of my triplex in mid-June 2024.”
Portes Fenêtres Nordstar Inc.
“Big difference in quality of profiles and finish between this manufacturer / installer and what I have seen from the competition: results: two new doors and 3 windows at our home.”
Lessard Group Inc.
“I am one of the aluminum suppliers and I am always well served”
Rénovations Larocque
“With all the fly by night renovation companies out there, it was good to learn that Renovations Larocque was established by Larocque senior and is now run by the second generation of sons.”
Changement DE Thermos . COM
“Puts things back in their place in the house after the work and respects the premises.”
Traitement Des Fenétres de Laval
“We had 3 quotes made for the restoration of all the windows in our house (15 including 2 bay windows) - change of all the thermos and exterior aluminum cladding.”
Représentant La Belle Fenêtre
Albconstruction
“I've used a lot of construction companies from different fields in my past years from A to Z Reno's project to small one's and let me tell you they are the best.”
Fenêtres KD Windows
“My family bought and installed their windows with Fenetres KD Windows and we're very satisfied.”
Vitrexpert A & E
“Not only did they have the best rate but their execution as far as demolition, installation, finishing as well as cleaning up was the best I have seen in my experience.”
Pella Windows & Doors
“Following the replacement of our windows, we recommend Pella and particularly Mélanie Chaput for the quality of their services, both for support in our choices and for the installation and monitoring of the work.”
Innovation Portes et Fenêtres
“After the installation there was a small cover on our patio door that had broken (no fault of innovations generales just a manufacturers default) and within three days they had ordered the part and dropped it off right to our front door.”
J P Lauzon & Fils Ltée
“I have just had all my windows and doors replaced by them and very satisfied with the final result, very good, and super nice finish, very professional, I recommend them to everyone”
Confort Prestige
“Our first contact with Pete gave us confidence, he offered us exactly what we needed ,he is professional and attentive , in a little more then 48h we had our system installed,Thank you to all the Confort Prestige Team ,great price , great people”
N.e.w. Factory
“I recently undertook a project to extend and install a new patio door with the help of this company and I am absolutely delighted with the experience and the result.”
Concept PFR
“With Concept PFR, I had better customer service, they took the time to explain and show me all the possibilities of thermoses, with good, reasonable prices.”
Why these companies made our list
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