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Pro Windows & Doors ACM
- Efficient
- Product
- Company
“Thankyou ACM Doors and Windows for your exceptional service in the purchasing and installation of my new doors and windows for both my existing home and new addition.”
Best Window Installers in Oshawa, ON
24 companies listed · 7 in Oshawa · 11 open weekends · 21 rated 4.5+ · 2 show a licence
Data verified October 21, 2026
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Stone River Windows Doors
- Patio Door
- Price
- Front Door
“I have used Stone River to install a screen door and I am very pleased with the workmanship, the professionalism of Stone River employees and how quickly they were able to accommodate my request.”
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Quality Home Improvements
- Quote
- Siding
- House
“I would definitely recommend for Window and door replacement and I will be using them in the near future to replace my siding, soffit, fascia and trough.”
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Dowling & Sons Home Improvements / Eddy's Home Improvements
- Family
- Price
- Project
“Recently had Dj from Dowling and Son's remove our old door and frame to install a beautiful new half lite front door with custom made frame and threshold.”
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Nuguard Windows and Doors
- Questions
- Home
- Team
“Great team and affordable prices”
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Durham Windows and Doors
- Price
- Call
“Wouldn't deal with anyone else ,quotes we're reasonable, had a malfunction with sliding door under warranty the owner himself came repaired it the same day I took 5 minutes a simple adjustment needed , contacted him as far as some of theses reviews ...”
Listed for homeowners in and around Oshawa, 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: Oshawa, ON
7 of the 24 companies we list are based in Oshawa; the other 17 serve Oshawa from towns including Whitby (8 km), Port Perry (25 km) and Courtice (5 km). The companies on this page are rated from 3.9 to 5.0 across 588 reviews; 2 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 (100%), quality (89%) and responsiveness (81%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "efficient". 11 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are eavestrough (2), siding (2) and window installation (2). 2 show a licence on their websites. 6 have ten or more years of experience, the longest 50 years. 1 offers emergency call-outs; 1 offers financing or payment plans; 10 give free estimates; 5 are family- or locally-owned and 1 lists 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.
Is the home visit and measurement free?
A no-cost quote is offered by 10 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.
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Bttr Window & Door Products Inc
- Company
“I am very pleased with the result.”
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Consumer Direct Windows & Doors
- Efficient
- Quotes
- Installation
“Replaced 7 windows with consumer direct, they were friendly and courteous, clear and fair with pricing, windows delivered on time and the installers were great, they were respectful during installation and left everything perfectly clean when they we...”
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Pinnacle 1 Decorative Doors
- Quote
- Front Door
- Product
“John was the first home inprovment specialist Ihave met ,who is honest , straightforward and took the time to find out exactly what I wanted and made my choice so much easier.”
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Limestone Construction and Excavating
- Attention
- Team
- Chimney
“They've done an excellent job with roof framing & decking, shingles, window & door installation, and siding, and are currently wrapping up some drywall work that's looking very good so far.”
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Doucette B W Roofing
- Wind
- Quote
“Greg was straightforward in explaining the work involved, offered a reasonable quote, and prepared an itemized contract with clear steps which his crew followed to a tee.”
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Royal Windows & Doors
- Price
- House
- Company
“Even after installations, a couple of situations arose where I needed their guidance and they were here promptly always with a smile and willingness to help.”
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Patton Home Improvements
- Price
- Gutters
- Team
“Grant and his assistant removed the old door and frame, installed the new door, assembled the hardware, finished the trim, hooked the doorbell back up and it looks amazing.”
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A. Oppers Limited
“When I stopped in at Oppers to get ideas on a door/window job we wanted done, Sarah took the time to explain various products available to us and arranged for Adrian to stop by to give us a quote.”
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Ray Anthony & Sons Inc
- Basement
- Paint
- Cleaned
“Ray Anthony & Sons did an outstanding job with our Kitchen.”
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Smid Construction Limited
- Building
- Property Manager
- Projects
“Being in Property Management for 30 years, I have had the opportunity to work with SMID over the years through a variety of construction and building restoration projects.”
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The Green Window Company
“Phil the owner took extra time and care to ensure we got the perfect windows for our house on the Lake.”
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Luke's Windows & Doors
- Team
- Home
“He was responsive, went out of his way to fit us into his schedule, offered helpful suggestions, and resolved an issue with our door that was above and beyond our expectations.”
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The Window Store
- Company
“The service is top notch!”
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Peoples Choice Home Improvement
- Attention
- Job
- Company
“We're pleased with the eavestrough, fascia and soffit that have been changed on our home and planning the next exterior renovation to do with People's Choice Home Improvement.”
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Sun Windows & Doors Orono
- People
- Sliding Door
- Front Door
“From start to finish I found them very professional, the price was great after shopping around and the install was on time and 100% customer service oriented.”
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Ivory Glass & Window Inc
- Price
- Job
“Nice work in short time and their team work is very nice and kind”
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Independant Glass 2000
“Every other didn't want to help, but everyone at ig2000 went above and beyond to help.”
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Glass Repair & Replacement Whitby
“They are amazing, fast service and fixed a measurement mistake (made by me) in minutes with no issue...”
Window Replacement & Installation Services in Oshawa, ON Cost Estimates
Minimum cost
$476
Maximum cost
$27659
National Average
$7602
Avg Per Hour Rates
$59
$4179
$11958
Typical price range is based on 265 cost profiles
Why these companies made our list
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