+ 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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Summer Sale July 26 to August 31

Quantum Windows and Doors is having a summer sale! From July 26th to August 31st, enjoy up to 35% off with the purchase and installation of 5 new windows! Make your home more energy efficient and save money on your summer cooling bills by opting for EneryStar vinyl windows by Quantum Windows and Doors. Our windows are custom made to ensure a lasting, quality product. New windows can also increase the value of your home. Investing a small amount now, with the added bonus of our summer sale can pay off down the road!

Whether you need to replace worn-down bay windows, old picture windows, or broken double-hung windows, Quantum Windows and Doors offers vinyl windows in every style. Our friendly and knowledgeable representatives come to you – we take accurate measurements and create custom windows that will fit your home perfectly. Why second guess when it comes to quality and installation? Trust the GTA’s preferred windows and doors specialist: Quantum Windows and Doors!

Contact Quantum Windows and Doors to learn about how you can save up to 35% on new custom vinyl windows! We offer free, no-obligation same day quotes. Our prices are competitive and our product quality is unbeatable! Give us a call today at (905) 695-5100 or fill out a contact form.


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