+ 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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Boxing Week Blowout

Quantum Windows and Doors is having a boxing week blowout! Enjoy up to 30% off vinyl windows and doors! Make this holiday the warmest yet – literally! Old, warped wooden windows do a poor job of sealing in the warm air. This results in drafts and high energy bills… not very festive! By installing brand new vinyl windows during our boxing week sale, you’ll help keep the warm air inside! This will decrease the amount you spend on your energy bill and leave more money in your pocket for fabulous boxing day sales! Give your home the gift it deserves and save money, too! Choose vinyl windows by Quantum Windows and Doors! Our trained professionals do the job right from start to finish.

Call for a quote! We offer same-day quotes that are absolutely free! There’s no obligation – simply give us a call and a professional craftsman will come to your home, take measurements, and give you an accurate quote for replacement windows.

Custom made, right at home! Your brand new vinyl windows are made to measure and manufactured right here in Canada using local materials! There’s nothing more Canadian than quality products manufactured at home!


Professional Installation! We pride ourselves on our professional window and door installation services. Whether you’re replacing one window, a screen door, or an entire floor of windows, our skilled professionals do it right, every time. From insulation to sealing, we ensure that your new windows function just as beautifully as they look!

Contact us today! Drop us a line, either by giving us a call or filling out our contact form! There’s never been a better time to replace those old, drafty wooden windows with brand new vinyl windows. And while you’re at it, why not give your home a delightful holiday gift with a brand new entry door or storm door? Take advantage of savings up to 30% during out boxing week bonanza! Call today!


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