14 Best Window Companies Scarborough, Ontario

Looking for a reputable window company in Scarborough that will install your new windows properly and stand behind the work for years to come? You’re in the right place. Below, we’ll walk through some of the best window companies Scarborough, outline their reviews, product offerings, standout technologies, and the key details to consider before and after your window installation.

How to Choose a Window Company in Scarborough

When comparing window companies in Scarborough for a window replacement or home renovation project, it’s important to look past the advertising and focus on objective product and service criteria, such as the following.

Frame Material

Scarborough’s weather swings from humid summers to freezing winters, so you need frames that won’t warp, crack, or deteriorate under UV exposure and temperature changes. Vinyl, fiberglass, aluminum-clad, and advanced composites are usually the most stable choices.

Glass and Insulation

Strong thermal performance comes from the right glazing package: double or triple panes, low-E coatings tailored to Ontario’s climate, insulated glass units with quality spacers, and sufficient argon gas fill. Look for companies that offer multiple glass packages so you can match efficiency to your budget and your Scarborough home’s orientation.

Hardware Quality

Smooth operation, security, and long-term durability depend heavily on hinges, locks, and operating mechanisms. Prioritize windows with robust, well-tested hardware that allows easy opening, closing, and cleaning, especially on upper-storey windows.

Screens and Blinds

Some manufacturers provide integrated blinds, shades, or retractable bug screens, which can improve comfort and reduce maintenance. Choosing a company that can supply both windows and compatible coverings simplifies the project.

Customization and Warranty

Top window and door brands offer extensive choices in colours, finishes, grille patterns, and window styles, along with clear, written warranty terms. Transferable or lifetime warranties can be a major value-add if you plan to sell your Scarborough property later.

Energy Performance

Always review performance metrics. Make sure to check the U-factor (lower is better), Solar Heat Gain Coefficient, and Visible Transmittance, and confirm that products are ENERGY STAR certified for Canada. If they are certified, check their Energy Rating (ER) as well. ENERGY STAR–rated windows are designed for regions like Scarborough with long heating seasons and can qualify for rebates.

Professional Installation

Even the best windows won’t perform properly if they’re poorly installed. Look for companies that rely on trained, experienced installers (ideally in-house crews) who handle removal, disposal of old units, insulation, caulking, and a final quality check.

Customer Satisfaction and Experience

Showroom visits, reading recent online reviews, and checking ratings on platforms like Google and HomeStars can reveal patterns in workmanship and service. Aim for companies that combine solid reputations with responsive communication and fair pricing.

Price Transparency

Reputable window companies provide itemized quotes, explain what’s included (materials, installation, disposal, trim work), and offer a free initial consultation. Take the time to ask detailed questions until you’re comfortable with the scope and total cost.

Watch out for warning signs such as unclear pricing, aggressive or time-limited sales tactics, and vague or confusing warranty language.

14 Best Companies for Window Replacement in Scarborough

So, which window company in Scarborough should you go for? Here's a list of the most reputable window companies in Scarborough (in no particular order), which we’ll discuss in detail below:

Make sure to check with each company directly regarding their warranties. Different window components are covered by different warranties.

1. Magic Windows and Doors

Magic is a GTA-based window company that designs, manufactures, and installs its own products and serves homeowners across Scarborough and the surrounding area. With more than four decades in business, Magic combines in-house production, installation, and long-term service and warranty support for windows, patio doors, and front doors.

Magic windows are known for proprietary technologies like the Hybrid Fusion Frame, crankless Parallex hardware, and fully retractable Slide’N’Hide insect screens. These features are designed to maximize energy efficiency, natural light, security, and views, which can be a major advantage in dense Scarborough neighbourhoods where daylight is at a premium.

Key features:

• In-house manufacturing and installation across the GTA, including patio doors and entry door systems
• Hybrid Fusion Frame that combines vinyl, aluminum, and steel reinforcement for slim sightlines and strength
• Parallex crankless hardware for smooth push-out operation instead of traditional cranks on casement windows and awning windows
• Industry-leading 40-year warranty on window units
• Patented Slide’N’Hide retractable bug screen system for unobstructed views, more natural light, easier cleaning
• Integrated solar shades and thermal blinds available for light control and added insulation
• Multi-point locking systems tested to high security standards
• Hi-Flo drainage design to reduce the risk of water buildup and insect intrusion
• Products that can qualify for Canadian energy-efficiency programs and rebates

Things to keep in mind:

• Premium technologies and long warranties typically place Magic at a higher price point than other standard vinyl window options.

If you’re planning a window replacement in Scarborough and want advanced features plus professional installation, you can reach out to Magic to schedule a consultation for a free quote.

2. Nordik Windows and Doors

Nordik Windows and Doors is a factory-direct window provider active throughout the Greater Toronto Area, including Scarborough. They specialize in their proprietary RevoCell microcellular PVC (mPVC) windows, which are designed for high energy efficiency and durability in Canadian climates.

Scarborough residents can benefit from locally produced products, a broad design selection, and energy savings from highly insulated frames and window glass packages.

Key features:

• Exclusive RevoCell microcellular PVC technology aimed at maximizing thermal performance
• 25-year “No-Bull” transferable warranty that covers product, final installation, and service
• Factory-direct business model that removes third-party resellers
• Installations completed by Nordik’s own trained teams
• ENERGY STAR–certified products suited for Southern Ontario weather

Things to keep in mind:

• Some online reviewers mention communication delays.
• Products and installation can be priced above basic contractor-grade options.
• A minority of customers report issues during or after the installation process, so it’s wise to review recent feedback.

3. Clera Windows + Doors

Clera Windows + Doors is an Ontario-wide, family-run manufacturer and installer with decades of experience and strong coverage throughout the GTA, including Scarborough. They design, build, and install their own windows and doors, which allows them to control quality and offer direct pricing.

Clera is particularly known for its fully transferable lifetime warranty and focus on energy-efficient, factory-direct vinyl windows.

Key features:

• ENERGY STAR-certified windows designed for Canadian climates
• Frames made from 100% pure virgin uPVC vinyl with fusion-welded corners for added strength
• Factory-direct sales model with no independent resellers
• Super Spacer® technology to improve insulation and reduce noise transfer
• Installations completed by trained local teams
• Non-prorated, fully transferable lifetime warranty on windows

Things to keep in mind:

• Some customers have reported delays in installation or service.
• There are mixed reviews regarding follow-up communication and scheduling.

4. Windowsville Windows & Doors

Windowsville Windows & Doors is a full-service window and door company serving Toronto and the GTA, including Scarborough. They focus on replacement projects for existing homes, as well as supplying and installing windows and doors for new construction and low-rise condominium buildings.

Their product line centres on ENERGY STAR-certified windows and a variety of exterior doors designed for Canadian conditions, emphasizing insulation, sound reduction, and long-term durability.

Key features:

• Energy-efficient, ENERGY STAR-certified windows designed for the Canadian climate, lowering year-round energy bills
• 100% lead-free uPVC
• Flexible monthly plans
• Fusion-welded corners for better insulation and curb appeal
• Transferable lifetime warranty covering the windows, providing long-term peace of mind for Scarborough homeowners

Things to keep in mind:

• As with any busy GTA contractor, scheduling for peak seasons may require booking well in advance; it is worth confirming timelines during your initial consultation.

5. Canadian Choice Windows & Doors

Canadian Choice Windows & Doors manufactures and installs high-efficiency windows and doors and has completed projects for thousands of homeowners across the GTA, including Scarborough. They are known for tailoring solutions to different home styles and offering both window and exterior door upgrades.

Key features:

• Canadian-made windows and doors with in-house manufacturing
• More than 40 window and door styles and numerous colour options
• DraftLOCK™ technology designed to improve your home's energy efficiency and comfort
• Options for triple glazing, impact-resistant glass, and enhanced soundproofing
• ENERGY STAR-certified products for lower energy costs
• 25-year transferable warranty
• Free consultations and financing or flexible payment options

Things to keep in mind:

• Some customers report delays with customer service and missed appointments.
• There are occasional complaints about scheduling and post-installation support.

6. Pella Windows & Doors

Pella is a major North American brand known for its wide material choices, including wood, vinyl, and fiberglass, and for integrated features such as built-in blinds and smart-home-compatible products. In the GTA, including Scarborough, Pella offers a broad range of styles suitable for both modern and traditional homes.

Key features:

• Multiple frame materials (wood, vinyl, fiberglass) to match different budgets and design preferences
• ENERGY STAR-certified options for improved thermal performance
• Built-in blinds and shades available for select lines, which can simplify cleaning and add privacy
• Extensive customization in sizing, finishes, and hardware, including for bay windows and bow windows
• In-house design consultations to help plan window and door packages
• Limited lifetime product warranty, with typical terms like 20 years on insulated glass and 10 years on certain vinyl components

Things to keep in mind:

• Pella's high-quality windows often come at a premium price compared with basic vinyl windows.
• Warranty transferability can vary by product and region, so it is important to confirm details directly.
• Some customers have reported delays with service and challenges obtaining replacement parts.

7. Omega Windows & Doors

Omega Windows & Doors is a family-owned company headquartered in Scarborough. It serves homeowners, contractors, and custom home builders across the GTA, Durham Region, and York Region.

Omega focuses on made-to-order windows and doors designed for Ontario’s climate, helping Scarborough homeowners balance energy efficiency, natural light, curb appeal, and long-term performance.

Key features:

• Canadian-made vinyl window systems manufactured for Ontario homes and weather conditions
• Factory-trained, in-house installation teams (no subcontractors)
• ENERGY STAR-eligible glass packages
• Premium virgin vinyl uPVC windows
• Frameless fixed windows
• Design options like narrow-frame and triple-pane windows aimed at maximizing glass area and energy performance

Things to keep in mind:

• Because Omega works heavily with custom homes and larger projects in the GTA, it’s a good idea to clarify expected timelines and installation windows during the quoting stage, especially in busy seasons.

8. EcoTech Windows & Doors

EcoTech Windows & Doors provides high-efficiency vinyl windows and doors and has served Canadian homeowners since 2001, including those in Scarborough. Their reputation is built on durable products and a strong focus on installation quality and customer experience.

Key features:

• ENERGY STAR-certified products designed for Canadian conditions, featuring EcoSmart technology
• Installations carried out by certified professionals with an emphasis on detail
• Lifetime transferable warranty on most products
• Free in-home estimates and competitive pricing
• Personalized guidance from initial consultation through to completion
• Financing options and the ability to earn Air Miles on qualifying purchases

Things to keep in mind:

• Some customers report issues with post-installation service response times.
• There are occasional reviews mentioning measurement errors, underscoring the importance of confirming details before production.

9. Delco Windows + Doors

Delco Windows + Doors has been supplying and installing windows in the GTA since 1989 and serves many Scarborough homeowners. While they are best known for vinyl windows, they also work with materials like steel, aluminum, wood, and fiberglass, and have developed specialized products such as the SLIMLINE89 high-performance window series.

Key features:

• Large selection of quality window and door styles, with multiple colour and material choices, including hung windows, bay windows, and bow windows
• Proprietary SLIMLINE89 window system marketed for improved energy efficiency and slim sightlines
• ENERGY STAR-certified options, including triple-pane glass configurations
• Complete window installation advice with measurements, manufacturing, and professional installation

Things to keep in mind:

• Some customers have noted occasional issues with scheduling and follow-up communication.
• It’s important to obtain full written details on warranty coverage, including small components like hardware and seals.

10. GTA Direct Windows & Doors

GTA Direct Windows & Doors is a long-established company serving the Greater Toronto Area with Canadian-made, energy-efficient products. They are active in Scarborough as well. With decades of experience, they offer a broad range of customizable products along with professional installation services.

Key features:

• uPVC vinyl frames and other durable materials suitable for local climate conditions
• ENERGY STAR-certified window options for better insulation and sound control
• Multiple glazing packages, including single, double, triple, and low-E glass configurations
• Custom finishes, trims, casings, and colour choices
• Multi-chambered frames for improved thermal performance
• Professional window installers with decades of experience in the GTA
• Free home estimates and consultation services

Things to consider:

• Some customers mention scheduling delays.
• A few reviews also note communication issues during or after installation.

11. NorthShield Windows & Doors Inc.

NorthShield Windows & Doors Inc. is a Canadian manufacturer and installer serving Toronto and the GTA, including Scarborough. They focus on high-quality vinyl windows and doors designed to stand up to Canadian winters and emphasize locally made products and a strong warranty.

Key features:

• Canadian-made vinyl windows designed for durability
• Range of window coverings and accessories available
• Multiple energy-efficient options and configurations
• Many models designed for easy interior cleaning
• Lifetime transferable warranty
• Free estimates and installation by experienced crews

Things to keep in mind:

• Some customer reviews mention scheduling delays and the need for proactive follow-up.

12. Eco Choice Windows & Doors

Eco Choice Windows & Doors is a dedicated window and door replacement company with over 15 years of experience in the GTA and surrounding regions, including Scarborough. They specialize in energy-efficient vinyl windows and doors aimed at improving home comfort and lowering utility bills.

Key features:

• ENERGY STAR-certified products for performance and durability
• Available triple-pane and impact-resistant glass options
• Distinctive frame profile (4 9/16") with additional thermal pockets for better insulation
• Wide selection of colours, styles, and finishes
• Payment plans and financing options
• Free in-home consultation
• Professional installation services

Things to keep in mind:

• Some homeowners report delays in product delivery and installation.
• There are also occasional comments about challenges with post-installation support.

13. Vinyl Light Windows & Doors

Vinyl Light Windows & Doors is a Toronto-based manufacturer and installer that focuses on custom, energy-efficient vinyl windows and doors designed for the GTA’s climate, including Scarborough. Their products are tailored for living spaces of different ages, from older properties to new builds.

Key features:

• ENERGY STAR-rated windows aimed at maximizing energy savings
• Fiberglass window options alongside vinyl units
• Various glass and frame options to balance aesthetics, security, and performance
• Installation by certified professionals with attention to detail
• Sashes designed to open wide for easier cleaning and maximum ventilation
• Free in-home consultations, estimates, and product selection support
• Local manufacturing in the GTA for faster turnaround and responsive service

Things to keep in mind:

• Some reviews mention delays during high-demand periods, so early booking is advisable.

14. Renewal by Andersen

Renewal by Andersen is a premium full-service window replacement division of Andersen Windows, operating in parts of Canada, including the GTA. They specialize in made-to-order window and patio door systems that are installed exclusively by their own teams.

It’s worth noting that Andersen Windows products are also available through The Home Depot, local dealers, and certified contractors, but Renewal by Andersen handles the turnkey replacement side of the business.

Key features:

• Exclusive Fibrex® composite frames that combine strength, durability, and low maintenance
• ENERGY STAR-certified glass packages designed for high efficiency
• SmartSun with HeatLock technology for improved insulation and solar control
• Custom sizing and extensive colour choices for interior and exterior finishes
• Advanced insulating glass options
• Low-maintenance exteriors that resist flaking, peeling, and corrosion
• Full-service installation by Renewal by Andersen’s own installers
• Free in-home design consultations

Things to keep in mind:

• Renewal by Andersen typically sits at the higher end of the price spectrum.
• They only offer full-service replacement; self-installation or third-party installation is not an option.
• Dealer coverage and service availability can vary by region.

Final Thoughts

When comparing window companies for a Scarborough home, try not to focus solely on the lowest quote. The right partner will offer strong craftsmanship, modern energy-saving technologies, reliable hardware, and a smooth experience from the first visit through post-installation support.

Look for companies that are upfront about pricing and warranties, supply ENERGY STAR-certified products suitable for Scarborough’s climate, and offer innovations that enhance insulation, security, ventilation, and ease of use.

While many brands in the GTA offer solid replacement windows, only some combine in-house manufacturing, advanced technologies, and long warranties.

If you’re looking for a reliable, technologically advanced, and visually appealing replacement window for your Scarborough property, consider booking a free in-home consultation with Magic to talk to one of our team members.

FAQs

How much does window replacement cost in Scarborough?

Window replacement in Scarborough typically costs between $500 and $2,500+ per window, depending on the window size, style, frame material, glass package, and installation requirements. The best way to determine pricing is to request quotes from several local window companies.

Is triple-pane glass worth it in Scarborough?

Yes, triple-pane windows can be worth it in Scarborough because they provide unmatched insulation, better energy efficiency, and greater noise reduction than double-pane windows. They are particularly beneficial for homeowners looking to reduce heat loss during Ontario winters.

What are the most energy-efficient windows for Ontario homes?

The most energy-efficient windows for Ontario homes typically feature ENERGY STAR certification, Low-E glass coatings, argon gas fills, insulated spacers, and double- or triple-pane glazing. These features help reduce heat loss and improve indoor comfort year-round.

How long do replacement windows last in Scarborough?

Quality replacement windows generally last 20 to 40 years or longer in Scarborough, depending on the frame material, installation quality, and maintenance. Proper installation is one of the most important factors affecting window lifespan.

Can new windows increase home value?

Yes, new windows can increase home value by improving your home's curb appeal, energy efficiency, and comfort. Many homeowners also benefit from lower heating and cooling costs after replacing older windows.

What should I look for in a window company in Scarborough?

Look for a window company in Scarborough with satisfied customers, ENERGY STAR-certified products, outstanding service, experienced window and door installers, transparent pricing, and a comprehensive warranty. Comparing multiple quotes can help you find the best value for your project.

Is there a government grant for window replacement in Ontario?

Yes, homeowners in Ontario can apply for the Home Renovation Savings Program to receive $100 per eligible rough opening for installing ENERGY STAR-certified windows.