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Thermo-Bilt to last

One of Toronto’s only groups offering a 0.2% failure rate on IG units

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Bilt to Last. Bilt for Life.

The best products without the high price tags.

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Bilt to Last. Bilt for Life.

We believe that windows and doors should last a lifetime, not just a few years. We believe that you can and should have the best products without the high price tags.

We’re Thermo-Bilt.

For over 20 years we’ve helped homeowners across the GTA install beautiful, functional windows and doors that provide all the practical, creative, and budget-friendly features you could possibly want.

See how our long-lasting products will make a lasting impression for your home.

20 years & 20,000 Happy Customers

With over 60% of our business coming in referrals, we’re who your neighbours trust.

Factory Trained Installers

Have peace of mind knowing your installers are extensively trained do it right.

A Knowledgeable Team of 25

Thermo-Bilt’s talented design, customer service and installation teams have you covered.

Your Questions, Answered

Our knowledgeable staff will help you understand how to purchase quality window and doors.
Book Your In-Home Consultation Today