+ Windows

Windows collection

Discover our selection of vinyl windows, guaranteed to suit every style and budget. Manufactured locally, we pride ourselves on quality and durability.
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Proudly Canadian

Our windows are manufactured locally in Ontario, meaning we get to pass the savings on directly to you. Quality and affordability come together at Quantum.
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+ Doors

Doors collection

From entry doors to patio doors, storm doors and more, discover the difference quality makes. Browse our selection of factory direct doors and save!
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Incredible Prices

Our doors are manufactured by us ensuring that we can stand behind the quality of our products. The best prices for the best quality doors - guaranteed!
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By Phone

Give us a call and have all your windows and doors related questions answered by professionals. We can set up a complimentary in-home estimate as well! Call (905) 695-5100

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Fill out our simple form and we'll get back to you in no time! Simply fill in your information and one of our representatives will be in touch as soon as possible. Click Here

How Long Will it Take?

We do our very best to drop by your home within 24 hours. There, we take detailed measurements and provide you with an accurate, no obligation estimate!
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Toronto is known for having incredibly harsh winters, which bring extremely low temperatures, high winds and snow storms. Prepare your home for the coming winter with new windows and doors from Quantum Windows and Doors. Quantum offers the greatest selection of windows and doors in Toronto. Our Toronto windows and doors are energy efficient, meaning that in addition to making your home a more comfortable place to live in the winter months, they also reduce your heating and cooling bills. Fall is the perfect time for windows and doors replacement in Toronto. With one of the largest selections of windows and doors in Toronto, any house can prepare for winter with beautiful windows and doors from Quantum.


Energy efficient windows and doors are a wise investment for any homeowner. Quantum’s energy efficient Toronto windows and doors are designed to keep cold air out and energy in. This results in reduced heating and cooling costs for your Toronto home. In addition to the financial incentive, energy efficient windows and doors replacement makes your home a more comfortable place to live in the winter months. Our energy efficient windows and doors in Toronto create a tight seal against drafts and air infiltration. Save money and improve the comfort of your home with windows and doors replacement by Quantum.


Many Toronto windows and doors suppliers like to claim that their windows and doors are energy efficient, but how can you be sure? You can be confident that Quantum’s amazing selection of windows and doors are the most energy efficient around because they come with the Energy Star certification. Energy Star certified windows and doors are the most effective at keeping your home comfortable in the winter months and saving you money on your heating bills.


Contact the windows and doors experts at Quantum to learn more about our incredible selection of windows and doors. Replacing your windows and doors with our Energy Star certified windows and doors is the easiest way to prepare your home for the coming winter. Our expert windows and doors installation ensures the tightest possible seal against unwanted drafts and air infiltration. Contact Quantum today for your free quote on windows and doors in Toronto!


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