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About Our Company

Expert Window and Door Installers with over twenty years serving the Toronto area, we understand the difference high-quality replacement windows or doors can make to the safety, security and energy efficiency of your Toronto house, and to the overall aesthetic and feeling that your home invokes.

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Thermo-Bilt Windows and Doors Company

Only the Best Materials

We’re meticulous in our choice of manufacturers and materials. Our manufacturers maintain the highest standard of design, construction and durability, and we work exclusively with Cardinal glass. Combined, these ensure windows and doors that are well-insulated for high thermal performance, built to last, and designed to suit your unique home.

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We Strive for Absolute Satisfaction

We offer a large collection of customizable replacement doors and windows for homes, made to your individual wants, needs, and budget. Our expert window installers and design team will work with you to determine the best choice to satisfy your requirements and schedule a windows and doors installation time that fits your schedule; this is rarely a challenge as most window and door replacements can be finished in just one day.

Ready to get started? Browse our replacement replacement windows and replacement doors, or book a free consultation for your door and window replacement with Toronto’s trusted window and door company.

OVER
30,000
QUALITY INSTALLATIONS

ALL THERMO-BILT WINDOWS ARE MAINTENANCE-FREE

OVER
20
YEARS
EXPERIENCE

GUARANTEED
LIFETIME
PARTS
WARRANTY

REPLACEMENTS
DONE
SAME
DAY

OVER
30,000
QUALITY INSTALLATIONS

ALL THERMO-BILT WINDOWS ARE MAINTENANCE-FREE

OVER
20
YEARS
EXPERIENCE

GUARANTEED
LIFETIME
PARTS
WARRANTY

REPLACEMENTS
DONE
SAME
DAY

Thermo-Bilt Reviews

“

We purchased 10 energy efficient thermal pane windows and two doors in March. The representative Mr. Barry Liburkin did a fantastic job explaining the benefits of his products. We were very happy with the installation team led by Stan and Igor. The office staff was also very friendly and we will gladly refer this company to everyone for their windows and doors needs. A job well done! Thank you.

Thomas Reinboldt
“

Fantastic windows and installation services! Staff were prompt, courteous, and skilled. These windows are definitely high quality but the costs were affordable. Make a point of calling this excellent company.

Natalie M
“

We are very pleased with this company. They replaced 8 Windows in our house. Peter and his crew did a masterful job on our Bow window build. The job was done fast and efficient and we love the high quality of the product.

John Andrighetti

Brand & Awards

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