BEST RATED MARKHAM, ON WINDOW COMPANIES

3 Best Window Companies in Markham, ON

Name: 3 Best Window Companies in Markham, Ontario
Rating: 4.8

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!

Markham window company Thermo-Bilt Windows & Doors

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THERMO-BILT WINDOWS & DOORS

4.9

160 Gibson Drive, Unit 13,
Markham, ON L3R 3K1

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Since 1998

Specialty:

“Thermo-Bilt Windows & Doors has over 20 years of experience in the window installation industry. Their team members are well-trained in the installation of windows and doors. The team manufactures and maintains the highest standards of construction, design, and durability, and works exclusively with Cardinal glass. Thermo-Bilt Windows and Doors has completed over 30,000 quality installations. They have high-quality products to reduce overall energy costs and save the environment. They offers a lifetime warranty, and replacements are done on the same day, along with a large collection of customizable replacement doors and windows for homes. The company serves many locations. The window company offers free in-home consultations and a guaranteed lifetime parts warranty.

2025 Update: All Thermo-Bilt Windows are Maintenance-Free, and replacements are done in the same day with 24/7.”

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Markham window company Comfort Windows & Doors

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COMFORT WINDOWS & DOORS

4.8

Markham & Surrounding Areas,
Markham, ON L3R 6G2

Since 1979

Specialty:

“Comfort Windows & Doors has built their home improvement company around their signature product, custom vinyl replacement windows. All their window and door installers are WSIB-insured. The company has a wide range of window and door products to meet all of your style, comfort, and budget needs. They strive to bring high-quality, locally made products installed by experts with skill and integrity. Comfort Windows & Doors offers a lifetime warranty. They also offer individual customized windows to meet budget needs for windows. The team maintains a solid product and installation warranty. They provide a no-obligation quote on replacing your windows or doors.

2025 Update: Comfort Windows & Doors has 0% for 12 months payment plan and they provide an internet special offer. Their skilled team has over 25 years of experience in all aspects of doors and windows, including certified products. They offer flexible financing options with no interest.”

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Markham window company Panorama windows and doors Markham

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PANORAMA WINDOWS AND DOORS MARKHAM

4.8

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

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Specialty:

“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.”

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TBR® Inspection Report:

Our Inspection includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and cost to the general excellence. If you are looking for full list of our 50-Point Inspection, the following list will give you a clear picture. Few items may not be applicable to all businesses.