+ 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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Windows replacement in Toronto can be a stressful undertaking. Windows replacement in Toronto can be a timely and expensive undertaking. Quantum Windows and Doors makes replacing your windows in Toronto a simple and enjoyable experience. Our phenomenal selection of windows and our expert windows installation team makes the entire process of windows replacement in Toronto simpler than you could possibly imagine. Take the stress out of windows replacement in Toronto with Quantum.


Quantum holds our product to the highest possible quality standards. This means that when you choose Quantum for yourwindows replacement in Toronto, you can be confident your new windows will last for years to come. Our windows are manufactured by high quality, affordable materials such as vinyl and our windows are also Energy Star certified. Replacing your Toronto windows with high quality windows by Quantum can lower your heating and cooling costs, reduce maintenance costs and make your home a more comfortable place to live.


Many fear the process of windows replacement in Toronto because they dislike the idea of their daily life being interrupted by windows installation. Quantum’s team of window installation experts makes your windows replacement in Toronto a quick and noninvasive process. Additionally, our experts perfectly install your windows to protect your home from air infiltration. With Quantum, windows replacement in Toronto has never been so quick, easy and effective.


Contact Quantum today to learn more about our fantastic selection of windows and our simple windows replacement in Toronto. We offer the highest quality windows at the lowest price, guaranteed. Our team of installation experts makes replacing your windows in Toronto a quick and enjoyable experience. Contact Quantum Windows and Doors today and see how simple and affordable windows replacement in Toronto can be!


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