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Buildmart Windows & Doors Installation Ottawa
- Company
- Home
- Choice
“We purchased the following windows from Buildmart this past year and were extremely pleased with the installation procedure and the professional installers.”
Best Window Installers in Ottawa, ON
24 companies listed · 21 in Ottawa · 1 open 24/7 · 5 open weekends · 15 rated 4.5+
Data verified October 21, 2026
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Canadian Comfort
- Job
- Team
- Patio Door
“The quality of the products and the professional job they did with the installation are why I recommend this company when you are shopping for your new windows and doors.”
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Westend Windows and Doors Ottawa
- Product
- Quote
- Communication
“We requested quotes from five different companies and West End stood out immediately based on the quality of their product (all vinyl, whereas others have vinyl exterior with wood interior) and Evgueni's knowledge and professionalism.”
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Capitall Windows
- Product
- House
- Patio
“First, they listened to our requirements (front door and main front window), and as we were selling our house, and wanted to make it perfect for the new owners – but didn't want to overspend – they gave us a super price, handily beating the competiti...”
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Eco Ottawa Windows and Doors
- Job
- Project
- Work
“Their installation team had to work around some tricky shutters but got the job done on time and were excellent about keeping our house clean and tidying up after themselves.”
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M & T Glass
- Call
- Shower
“In an era of over-priced design studios vs “get what you pay for” big box options, M&T provided unparalleled expertise, fair pricing and expert, on-time installation.”
Listed for homeowners in and around Ottawa, ON, 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: Ottawa, ON
21 of the 24 companies we list are based in Ottawa; the other 3 serve Ottawa from Gatineau, QC (7 km), Nepean (11 km) and Orléans (15 km). 23 of the companies on this page have a rating, from 3.9 to 5.0 across 1,906 reviews; 14 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), value (85%) and quality (83%). The topics that come up most in reviews of the companies on this page are "estimates", "efficient" and "cleanliness". 1 is open around the clock; 4 are open on Saturdays and 2 on Sundays. 2 show a licence on their websites. Domain records put 14 websites of the companies on this page at ten or more years old; the oldest dates from 1996. 3 offer emergency call-outs; 7 offer financing or payment plans; 14 give free estimates; 4 are family- or locally-owned and 3 list coupons or special offers. 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.
Do the listed window companies all have premises in Ottawa?
21 of the 24 give an address in Ottawa itself; the rest serve it from within 25 km. A showroom often covers a whole region, so distance matters less than who does the installing. Ask whether the fitters are employees, and how a callback in the middle of winter is handled.
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Marlboro Window and Door Manufacturer Ltd
- Price
- Products
- Manufacturing
“We had a minor issue with the locking mechanism on a single window (after many years of usage) and they came out in less than a week to resolve immediately.”
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Centennial Glass
- Shower
- Installer
- Estimator
“It may have just been good timing that we got our new pane of glass cut while we waited, but on top of that, the attendant helped us with valuable advice on what sealer to use when fitting the glass back in its frame!”
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Big City Windows & Doors Ottawa
- Home
- Product
- Basement
“Their sales manager answered all of my questions, clarified the differences between window types, and was able to suggest appropriate upgrades, such as for a basement bedroom window, to ensure my house maintained its value well into the future.”
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Fenex Windows and Doors
- Product
- Price
- Company
“We had an entirely pleasant sales experience with Stephane who provided several useful recommendations, a quick and efficient meeting with Serge to schedule an installation date, and a highly professional installation by Adrian and James.”
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Fendor Glass & Aluminum Inc.
- Garage Door
- Home
- Job
“The crew here was tidy and efficient and even made a small repair to my garage side door with out me asking or even pointing out that he did so - it just suddenly closed better and I had to ask, "hey, did you fix this!”
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Perspective Windows & Doors Ltd.
- Product
- Company
- Installer
“They replaced all my house's windows, the patio door and the main door, Arbnor the owner is very honest man, punctual and deliver as promised, his team Perrie' and the crew are very professional and they know what they are doing.”
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Merivale Windows & Door
- Team
- Efficient
- Call
“The 12 month no interest and no payment plans are a huge relief for big projects and the 13 windows we needed to have replaced required a lot of planning.”
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Advantage Enterprises Windows & Doors (Ottawa)
- Contractor
- The Future
- House
“When Vitaliy came to give us a quote & take measurements, he did not try to upsell us entire window glass pane & indoor frame replacements, nor did he quote us for replacing the two right windows of the 2 upstairs bedrooms (which were not foggy nor d...”
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Capital Door Tech
“Quick respond, great service”
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BHI Exterior (Previously: Basic Home Improvements Inc)
- Flashing
- Quote
- Price
“Gaetan treats my property with respect, he always closes the gates so the dogs don't get away, the job site is clean at the end of every day, he points out anything I should be aware of whether it is part of his job or not”
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Paramount Door & Window Service
“!! 🙌 Also want to thank John for getting me booked in within 24 hours and they arrived early and were gone hours before The time expected them to be here”
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National Contract Glazing Ltd
“Great staff”
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Bowen Windows
- Quote
- Product
“Extremely pleased with new Loewen windows - beautiful quality - and Anderson screen door, installed to perfection, including new interior trim and exterior cladding.”
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Samson Windows and Doors
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Prolite Glass & Mirrors Inc.
“Love this place and has great service and people!”
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Vinyl & Aluminum Warehouse
- Siding
- Questions
- Pricing
“Amazing experience with the crew at Aluminum Warehouse, called in close to end of day to get an estimate for custom flashing, sent them the requirements, within 20 minutes I had a quote.”
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Fenomax
- Team
- Salesperson
- After Sales Service
“The ordering process was painless and the installation crew were here on time, and did the work in a good workmanlike manner and finished within one day.”
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Koral Windows and Doors Ottawa Installation
- Happy
- Job
- Pricing
“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”
Window Replacement & Installation Services in Ottawa, ON Cost Estimates
Minimum cost
$479
Maximum cost
$27798
National Average
$7640
Avg Per Hour Rates
$59
$4200
$12018
Average price range is based on 512 cost profiles
Why these companies made our list
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