Top 5 Window and Door Companies in Whitby and Oshawa (2025 Edition)
- Wintur
- Nov 20
- 5 min read
Whitby and Oshawa are two of the fastest-growing communities in Durham Region. With new developments in Brooklin, expanding neighborhoods in North Oshawa, and older homes across south and central areas, homeowners in these cities are upgrading their windows and doors for better insulation, comfort, curb appeal, and long-term efficiency. Whether you live near Whitby Shores, Taunton, Windfields, Brooklin Village, or downtown Oshawa, choosing the right window replacement company is essential.
This 2025 guide highlights the top window and door companies serving Whitby and Oshawa, explains what to look for in an installer, and provides a full cost breakdown to help you make an informed decision.
Why Homeowners in Whitby and Oshawa Are Replacing Their Windows in 2025
Durham Region has a mix of older homes, brand-new subdivisions, and renovated properties. Homeowners upgrade their windows for many reasons:
Energy efficiency: Winters in Durham are cold and windy, especially near the lake. New windows reduce heat loss and lower energy bills.
Comfort: Drafts, cold air leaks, and uneven room temperatures are common in older Oshawa homes.
Modern design upgrades: New builds in Brooklin and North Whitby lean toward modern aluminum systems and large glass openings.
Noise reduction: Oshawa’s busy roads, new construction, and GO train corridors make noise control a priority.
Better home value: Window replacements are one of the highest ROI updates for Whitby and Oshawa homes.
What To Look For in a Window Company in Whitby and Oshawa
Before choosing a contractor in Durham, make sure they provide:
WSIB and liability insurance
Energy Star certified windows
Experience with older Oshawa homes and newer Whitby builds
Transparent pricing
Warranty on both product and installation
Quality materials suited for Ontario winters
Homeowners in Whitby often look for premium modern styles, while Oshawa homeowners prefer performance and value.
Top 5 Window and Door Companies in Whitby and Oshawa (2025 Edition)
Here are the most trusted companies serving these areas based on installation quality, product durability, customer feedback, and overall value.
1. Wintur Windows and Doors
Service Area: Whitby, Oshawa, Brooklin, Pickering, Ajax, East GTA
Wintur is one of the top premium aluminum window providers in Ontario. Their modern, energy-efficient window systems make them a strong choice for both older Oshawa homes and newer Whitby subdivisions.
Why homeowners choose Wintur:
Slim-profile aluminum frames
European tilt-and-turn designs
Lift-and-slide patio doors
Excellent insulation with thermal break technology
Custom fabrication
Full warranty and professional installation teams
Suitable for both premium homes and practical replacements
Wintur serves the entire Durham Region and is especially popular among homeowners upgrading to contemporary styles or replacing outdated vinyl.
Best for: Modern upgrades, energy-efficient replacements, and large glass openings.
2. Canadian Choice Windows
A large national brand with local teams operating across Durham Region.
Best for: Homeowners needing vinyl replacement windows at good value.
3. Brooklin Windows and Doors
A local company based in Whitby’s Brooklin area. They offer vinyl windows and handle many suburban installations.
Best for: Families in new subdivisions and mid-range homes.
4. Centennial Windows
Centennial provides reliable vinyl window systems with a strong warranty.
Best for: Traditional homes and budget-conscious projects.
5. Eco Choice Windows
Known for energy-efficient vinyl and hybrid systems designed for winter performance.
Best for: Homeowners looking to reduce utility bills and improve indoor comfort.
Average Window Replacement Costs in Whitby and Oshawa (2025)
Pricing varies depending on home age, window size, and material choice. Here are the accurate 2025 ranges:
Window Type | Average Installed Cost |
Vinyl window replacement | 650 to 1,200 |
Premium vinyl window | 900 to 1,500 |
Hybrid window | 1,200 to 2,000 |
Aluminum window system | 1,600 to 3,200 |
Tilt-and-turn aluminum | 2,000 to 4,500 |
Patio or sliding doors | 3,500 to 8,000 |
Lift-and-slide doors | 5,000 to 15,000 |
Why pricing differs in Durham
Older Oshawa homes require more structural adjustments
Newer Whitby homes have standard frames and modern openings
Brooklin homes often prefer larger, designer windows
Full Home Window Replacement Cost in Durham
Here are real total cost averages:
Home Type | Average Cost |
Oshawa bungalow (older) | 8,000 to 16,000 |
Oshawa suburban detached | 10,000 to 20,000 |
Whitby townhouse | 8,000 to 14,000 |
Whitby or Brooklin detached | 12,000 to 25,000 |
Newer luxury home | 25,000 to 50,000+ |
Large aluminum systems increase price but also boost home value and insulation.
Energy Efficiency and Rebate Options for Durham Homeowners
Whitby and Oshawa homeowners may qualify for:
Enbridge HER Plus rebates
Canada Greener Homes incentives
Financing programs for energy-efficient upgrades
New aluminum or hybrid systems with thermal breaks often qualify.
Why Aluminum Windows Are Growing in Popularity in Durham
Durham Region is seeing a major shift toward modern aluminum window systems due to:
Strong frame durability
Modern slim design
Excellent insulation with thermal breaks
Better performance for large format windows
Long lifespan of 40 to 60 years
Ideal for both luxury and practical homes
Brooklin, in particular, has seen a surge in aluminum upgrades because of its newer architectural designs.
Why Wintur Is a Top Choice for Whitby and Oshawa
Wintur stands out because of its premium aluminum systems, energy efficiency, and installation quality. Their modern products elevate both the performance and appearance of homes in Durham Region.
Wintur provides:
Custom aluminum fabrication
Tilt and turn systems
Large fixed glass windows
Lift and slide patio doors
Energy-efficient triple glazing
Full product and labor warranty
Maintenance Tips for Durham Region Homes
To keep your windows in excellent condition:
Inspect caulking yearly
Clean frames and tracks
Lubricate hinges once per year
Check window seals before winter
Remove debris from sills
Durham winters can be harsh, so proper maintenance extends lifespan.
FAQs About Window Replacement in Whitby and Oshawa
Q1. How long does installation take?
Most homes are completed in 1 to 3 days.
Q2. Can windows be replaced in winter?
Yes, though scheduling depends on weather conditions.
Q3. Do Whitby and Oshawa homeowners qualify for rebates?
Yes, many energy-efficient windows qualify.
Q4. What is the best window material for this region?
Aluminum or hybrid systems provide the highest durability and insulation.
Q5. How long do modern windows last?
Vinyl lasts 20 to 25 years, while aluminum lasts 40 to 60 years.
Final Thoughts
Whitby and Oshawa homeowners have many reasons to upgrade their windows, from improved insulation to modern aesthetics and higher home value. Whether you own an older Oshawa property or a newer home in Whitby or Brooklin, choosing the right installer ensures long-term comfort and performance.
Wintur Windows and Doors remains one of the best choices for premium aluminum and energy-efficient window systems across Durham Region.
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