+ 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!


Our key focus is customer satisfaction. We achieve this through ensuring quality products, professional installation and integrity of workmanship. We strive to make your experience with us a positive one, while providing the best quality products in the industry.

  • Windows


    Make your home more energy efficient and beautiful with vinyl windows by Quantum.

  • Doors


    Discover quality and affordability with Quantum’s collection of doors.

  • Get a quote

    Get a quote

    A free, no-obligation quote within 24 hours, including a professional design consultation.


Through local manufacturing we are able to ensure quality; through close communication with our customers, we are able to provide innovative design solutions for your home, your style and your budget.


Our comprehensive knowledge of the industry is evident through our investment in the latest technology available. Being a fully integrated manufacturer has allowed us to control all facets of the manufacturing process, ensuring quality and incredible prices for our customers.



Saving energy and natural resources with high-efficiency Quantum Windows and Doors is the best way to make your home greener and ensure a cleaner future. At Quantum Windows and Doors, green solutions begin long before our windows are installed in your home.


Free in-home estimate

Get a complimentary, no-obligation estimate within 24 hours.

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