+ 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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Choosing the right doors replacement company is crucial. Not only do you want to ensure you are getting something of high quality that ideally suits your personal tastes as well as the overall look of your home, you also want to ensure you select experienced professionals who can properly install your doors. Quantum is the doors replacement company in Toronto that offers the greatest selection of high quality, affordable products at exceptionally reasonable prices. Additionally, we provide reliable professional service, which ensures an enjoyable experience from start to finish. Choose Quantum as your doors replacement company and get stunning products, reasonable prices and exceptional service.


Quantum is the doors replacement company in Toronto with an unrivaled selection of customizable products. Our impressive range of styles, each available in a breadth of colours and customizable options, ensures that we have something to offer any customer. Our design experts work with you, taking into consideration your tastes and preferences as well as the look and feel of your home to help you find the replacement doors that are ideally suited to you. Our amazing selection of products is the main reason why Quantum is the best doors replacement company in Toronto.


Our team of professional, experienced staff is one more reason why Quantum is the ideal doors replacement company in Toronto. From start to finish, our mission is to ensure that each customer has the best experience possible. That begins with our complimentary quote and ends with our flawless installation. We are the doors replacement company in Toronto with an unwavering commitment to the satisfaction of our customers.


When you choose Quantum as your doors replacement company in Toronto, you get our exceptional selection of beautiful, high quality products, courteous, professional service and remarkably affordable prices. Because all of our products are locally manufactured, we are able to maintain control of quality while offering our customers exceptional prices. Contact us today for your complimentary Toronto replacement doors estimate. We would be happy to travel to any home in the GTA to provide a detailed quote. Choose Quantum as your doors replacement company in Toronto and instantly update the look at feel of your home.


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