+ 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

Get it Online

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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Replacing your windows and doors is an amazing way to update the look and feel of your Toronto home while increasing its resale value. When choosing a company for your windows and doors replacement in Toronto, you want to find a company that is reliable and professional but also affordable. Quantum Windows and Doors is the best destination for affordable windows and doors replacement in Toronto. With Quantum you get beautiful, high quality windows and doors as well as reliable, professional service for a remarkably affordable price.


Our homes lose significant amounts of energy through their windows and doors. Outdated windows and doors allow in unwanted air and allow energy to escape. This ultimately increases our heating and cooling costs. Windows and doors replacement helps to keep energy from escaping your Toronto home. When you trust your windows and doors replacement in Toronto to Quantum, you can be confident your windows and doors will be expertly installed to keep the maximum amount of energy in your home. Additionally, our windows and doors are energy efficient and designed specifically to prevent energy from escaping. Lower your heating and cooling costs by choosing Quantum for your windows and doors replacement in Toronto.


Windows and doors replacement will drastically decrease the time and money spent maintaining your windows and doors. Quantum replaces your windows and doors with windows and doors manufactured from cutting edge materials like vinyl. Our modern windows and doors last longer than outdated windows and doors and require less cleaning and maintenance. When you choose Quantum for your windows and doors replacement in Toronto, you save both time and money.


Contact the windows and doors experts at Quantum to learn more about our windows and doors replacement in Toronto. We would be happy to provide you with a free quote for windows and doors replacement. Breath new life into your Toronto home with windows and doors replacement.


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