Fenomax
“Small problem with blackened wood discovered following the removal of the patio door, we took the time to explain to me the possible causes and how to remedy it and we changed a small section of wood.”
Best Window Installers in Gatineau, QC
15 companies listed · 8 in Gatineau · 2 open weekends · 10 rated 4.5+ · 3 show a licence
Data verified October 16, 2026
Thermos Maximum
“Very satisfied with the installation of the new thermos for our house, the installers were very professional, clean and patient.”
Portes et Fenêtres SK3
“Jonathan, sales director, offers EXCELLENT service, he took care to explain their products, guarantees and it is the first company to present their RBQ membership number to me!”
Vitrerie de la Vallée
“We changed the majority of the thermoses in the house and they offered the best value for money in the region.”
Généreux Portes et Fenêtres
“Friendly, professional, efficient, clear intentions and no surprises after the installation of the front door and patio door.”
Thermos Vizion
“Excellent service, customer for 40 years and always satisfied.”
Listed for homeowners in and around Gatineau, 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: Gatineau, QC
8 of the 15 companies we list are based in Gatineau; the other 7 serve Gatineau from Ottawa, ON (7 km) and Orléans, ON (10 km). The companies on this page are rated from 4.0 to 5.0 across 1,668 reviews; 9 have 50 or more reviews and 10 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (79%) and value (79%). The topics that come up most in reviews of the companies on this page are "estimates", "communication" and "efficient". 2 are open on Saturdays. 3 show a licence on their websites. 11 have ten or more years of experience, the longest 30 years. 1 offers emergency call-outs; 3 offer financing or payment plans; 4 give free estimates and 2 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 12 publish a contact page; 12 list a public email and 1 takes bookings online. 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?
3 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.
Vitrerie d'La Cité
“Very kind staff, fast estimate service from Alain and 5 star installation also from Rock.”
Quali-Pro
“They answered questions we had during the process and left the place clean after.”
Koral Windows and Doors Ottawa Installation
“Despite the scale of the project, Koral Windows and Doors completed the entire job (10 windows and patio door) in just three days, demonstrating their efficiency and commitment to customer satisfaction”
Eco Ottawa Windows and Doors
“Happy with the service, quality of patio door and the installation time.”
Capitall Windows
“The installers were polite and efficient at completing the the patio door and basement window.”
M & T Glass
“Found exactly the sliding window handles i needed to replace the ones that at my house.”
Centennial Glass
“I would contact this company and do business with them 100% in the future for any windows or repairs if ever needed.”
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Big City Windows & Doors Ottawa
“She was accommodating to our time and needs, her knowledge of products made our window choosing that much easier, her personality made our experience fun, and her crew worked so hard and efficiently that even my husband was impressed!”
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Fenex Windows and Doors
“They even help each other out, as James, was helpful and patient to show me the options, when I unexpectedly popped in on my day off in advance of my scheduled appointment.”
Why these companies made our list
What customers say about companies in and near Gatineau
- “Stephane and his team were extremely professional, quiet, super respectful of my home, and went out of their way to make sure everything was back in place after the window installation.” — customer of Portes et Fenêtres SK3
- “Their installers were skilled, courteous, and professional at all times and demonstrated teamwork and coordination.” — customer of Big City Windows & Doors Ottawa
- “Punctual, courteous, and highly skilled, they approached the installation with unwavering dedication.” — customer of Eco Ottawa Windows and Doors
Excerpts from public reviews of the companies listed on this page.
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