About
Ontario Window is founded on a commitment to our customers above all else. Every job is done with care down to the last detail. From getting an estimate to installation, we’re there for you throughout the entire process. We’ll even protect you beyond installation through warranties. Our process is in place to make sure our customers are not only satisfied but happy with their renovation and experience with us.


We offer high-quality Canadian made windows at a competitive price. In other words, we aim to offer you the best without charging you a high-end price. The Ontario Window sales team isn’t out to make the biggest sale. We set ourselves apart from other window and door replacement companies with our dedication to putting the budget of our customers in favor of trying to maximize our profit. We know that renovation costs are a big investment and we want to do our part to help yours be as affordable as possible.
When You Work With Us, You Can Expect
- High quality, energy-efficient and Canadian made windows.
- Expert installation service for replacement doors and windows
- Licensed and insured technicians
- Exceptional customer service experience
Our window selection is also full of energy efficient options whether you’re looking for PVC, aluminum, or vinyl metal windows. It’s estimated that energy efficient windows can lead to savings of up to 24% in warm weather and 31% in cold weather. Not to mention, new doors and windows significantly add to the curb appeal of your home. These energy efficient windows also help increase the natural light in your home without letting in excessive UV rays that will damage your fabric, carpet, wood, and artwork. This means that the savings and value we offer you will continue far past the initial installation.
Request a FREE Estimation Today
Give us a call to schedule your replacement window or door
- 416-826-6770