Replacement Windows and Doors Across Southern Ontario

Thermo-Bilt has proudly designed and installed replacement doors and replacement windows for homes all over the GTA and across Ontario for over 20 years.

Learn More

Schedule your free in-home,
no-obligation quote today!

This field is for validation purposes and should be left unchanged.

We're proud to offer Door and Window replacement in the following locations:

Why Choose Thermo-Bilt?

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.

OVER
30,000
QUALITY INSTALLATIONS

ALL THERMO-BILT WINDOWS ARE MAINTENANCE-FREE

OVER
20
YEARS
EXPERIENCE

GUARANTEED
LIFETIME
PARTS
WARRANTY

REPLACEMENTS
DONE
SAME
DAY

NO PAYMENTS UNTIL 2022

plus get 0% interest for up to 12 months O.A.C. Financing available.

Get a Quote

Brand & Awards