3 Best Window Companies in Markham, ON

Expert-recommended Top 3 Window Companies in Markham, ON. All of our window companies actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

Winford Windows Inc - Markham, ON Window Companies
Winford Windows Inc - Markham, ON Window Companies
Winford Windows Inc - Markham, ON Window Companies
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WINFORD WINDOWS INC

175 Riviera Drive,
Markham, ON L3R 5J6 Directions

Since 1991

Specialty:

✓Window Supply and Installation ✓Vinyl Windows ✓Aluminum Windows ✓Wood Windows ✓Fibreglass Windows ✓Entry Doors ✓Patio Doors ✓Window Replacement

“2026 Highlights: Winford Windows Inc. provides premium windows, doors, and home improvement solutions, backed by over 30 years of proven experience. Every project is supported by expert installation and personalized service, ensuring comfort, beauty, and lasting value for your home. Their product lines include custom windows and doors, sunrooms, siding, and more. They provide a wide range of premium, energy-efficient products. Their multi-chambered PVC windows offer long-lasting protection from the elements. Choose from a wide variety of maintenance-free colors and designer styles to suit your home. Their aluminum windows feature weatherproof finishes, structural integrity, thin-profile designs, and thermally broken frames.”

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License #1431646

Contact:

(905) 940-8933

Mon-Fri: 10am - 6pm
Sat: 10pm - 4:30pm
Sun: By appointment only

TBR® Inspection Report:

9+ YEARS ON TBR
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TORWIN WINDOWS & DOORS LTD.

2651 John Street, Unit 2,
Markham, ON L3R 2W5 Directions

Since 1988

Specialty:

✓Single and Double Hung ✓Casement ✓Custom ✓Awning ✓Bay ✓Bow and Picture Windows ✓Replacement ✓Installation ✓Vinyl Patio ✓Garage ✓Entry ✓Fiberglass and Garden Doors

"Torwin Windows & Doors Ltd. is a family-owned window and door manufacturer. They are a supplier and installer of residential window and door replacements and custom projects. They specialize in casement windows, double-insulated windows, fiberglass doors, vinyl sliding doors, and aluminum patio doors. From standard replacements to fully custom window designs, their team handles it all, including patio door replacement and complete window installation services. They design, build, and install fully custom windows and doors, with every product made to order in their own facility and fitted by their in-house carpenters. They are known for their personal, no-cookie-cutter approach, a lifetime warranty on all windows, and being the last window and door supplier their clients ever need.

2026 Highlights: Torwin Windows & Doors Ltd. specializes in high-quality window installation services tailored to Ontario homes."

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License #T85-3135058

Contact:

(416) 798-7622

Mon-Thu: 8:30am - 4pm
Fri: 8:30am - 3pm
Sat & Sun: by appointment only

TBR® Inspection Report:

3+ YEARS ON TBR
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PANORAMA WINDOWS AND DOORS MARKHAM

7030 Woodbine Avenue, Suite 500,
Markham, ON L3R 6G2

Since 2012

Specialty:

✓Awning Windows ✓Casement Windows ✓Fixed Casement Windows ✓Picture Windows ✓Double-hung Windows ✓Single-hung Windows ✓Slider Windows ✓Single-slider Windows ✓Double Slider Windows ✓End-vent Slider Windows ✓Energy-efficient Windows ✓Triple Pane Windows ✓Low-e Windows ✓Vinyl Windows

"Panorama Windows and Doors Markham is a top-notch window installation company in Markham, ON. The team focuses on delivering premium-quality windows and doors that will elevate and harmonize with your living spaces. They specialize in window and door replacement and installation services. They offer an extensive array of products. Panorama Windows and Doors specializes in aesthetics and robustness while providing efficient, environmentally friendly service. Their team includes certified and licensed installation specialists. Their designs ensure ventilation while safeguarding your interior from rain. They offer free in-home consultations and warranties on all their window and door products.

2026 Highlights: Panorama windows and doors Markham install ENERGY STAR®-rated windows and doors with Low-E glass, argon gas fills, and insulated frames. These features reduce drafts, cut heating and cooling costs, and keep Markham homes comfortable year-round."

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Price:

Baybow $1,800 - $6,600
Casement Window $600 - $1,520
Awning Window $600 - $1,615
Sliding Window $600 - $2,090
Single Hung Window $600 - $2,090
Double Hung Window $600 - $2,090
Picture Window $600 - $2,850
Egress Window $700 - $945

Discount:

Save Up to 25% on Windows & Doors + a Free Color or Triple Glass Upgrade

Contact:

(289) 451-4499

Mon-Fri: 9am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

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