Noblesse Portes et Fenêtres St-Jean
“I changed my 2 front doors with them and it's really well done!”
Best Window Installers near Saint-Léonard, QC
None of these companies is based in Saint-Léonard; they work from towns including Saint-Laurent, Saint-Eustache and Mont-Saint-Hilaire.
24 companies listed · 6 open weekends · 17 rated 4.5+ · 11 show a licence
Data verified October 17, 2026
Innovation Portes et Fenêtres
“We highly recommend Innovation Portes et Fenêtres and will definitely deal with them again in the future when we change our windows.”
Carrefour de la Rénovation 640 Inc.
“We already did business in 2017 and it is still just as pleasant and professional in 2023”
Élit Tech Portes Fenêtres & Toitures Métalliques
“Just had had our all doors and windows replaced with Élit Tech and we are very satisfied.”
Portes et Fenêtres Factory Direct Montréal Windows & Doors
“We have come back to do the patio door and another window as always Sasha was pleasant professional and we appreciate that company 100% highly recommended very happy customer.”
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Doors & Windows Inc South Shore
“Thank you to the Portes et vins Rive-Sud St-Hubert team, including our saleswoman Manon who supported us very well in our choices, as well as our two great installers Marco & Serge”
Listed for homeowners in and around Saint-Léonard, 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: Saint-Léonard, QC
The 24 companies on this page are rated from 3.9 to 5.0 across 1,847 reviews; 14 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (66%) and value (63%). 6 are open on Saturdays. 11 show a licence on their websites. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 6 give free estimates and 4 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 15 publish a contact page and 19 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.
Is the home visit and measurement free?
A no-cost quote is offered by 6 of the 24 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.
Fenplast
“We have ordered several times from Porte et Fenêtrer Lamoureux and we are always satisfied”
PF Expert Portes et Fenêtres
“I am very satisfied with the impeccable service received by Cynthia and the quality of the product, thank you PF Expert”
Portes et Fenêtres X-O / St-Constant
“Work well done, clean and professional, very attentive and patient in answering our questions a big 10 out of 10 well done thank you”
Portes et Fenêtres Montréal
“We had a little problem after our installation and they did everything to resolve the situation.”
Fenplast
“We did business with Fenplast - Portes et Fenêtres St-Jérôme for the replacement of our two doors as well as five windows and we are very satisfied.”
Selcan Windows and Doors
“We had an issue with one of the doors and the whole team worked to resolve it quickly and efficiently.”
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Fenplast
“The master installer came to take the measurements and ensure that everything was compliant before placing the order.”
Porte et Fenêtre Mystro
“ The installation was done before the expected date, and the installers did a great job and were quick and clean.”
Portes et Fenêtres V.i.p
“We were once again amazed of the fine quality of the two doors and window that were installed by a super team.”
Portes et Fenêtres Porto/Porto Windows and Doors
“Alfredo was incredibly helpful in placing the order and a pleasure to work with.”
Vision Thermo
“Window installation was done per the agreed contract.”
Portes & Fenêtres Excel Inc
“The promised dates were respected , impeccable installation, patient and courteous staff..”
H.d.l.d Portes et Fenêtres Inc.
“Impeccable and professional work in addition to all the advice 'on the spot'.”
Construction Vandette & Portes et Fenêtres Rénotech
“I have rarely had such a pleasant experience with a residential construction company.”
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Fenplast
“The quality of the windows is superb and the professionalism of the installers is simply perfect!”
Aluminium Pierre Portes et Fenêtres
“Excellent service from the entire team, from measurement in March to installation in May!”
Portes et Fenêtres Thermavision
“Very good service, always happy to do business with a family company.”
Sela -Portes & Fenêtres / Windows and Doors
“Higly Recommend Sela Windows and Doors”
Why these companies made our list
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