+ 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!

Quantum Windows and Doors

Quantum Windows and Doors provide professional advice and quality service for all your residential window and door needs. All our windows and doors are manufactured locally and are custom engineered to meet the severest weather conditions. We provide retail contractors, homeowners, wholesalers and custom builders with a vast selection of high quality windows and doors. Our products are produced to be user friendly, and will uphold their beauty for many years, with minimal cleaning and care. With a consistently high standard of work, matched by outstanding customer service, Quantum Windows and Doors has built up a great reputation with the local community, spread by word of mouth alone.

Discover the Quantum Difference

Quantum Windows and Doors is a team of highly trained windows and doors retailers and instillation experts. With 15 years of experience we are the leading company in today’s market to meet your window and door needs. With offices located in Toronto, Ontario; we are a quickly expanding company, with a high clientele demand.

  • 100% Made in Canada!
  • Energy Star™ Windows and Doors
  • We use only the highest-grade of materials
  • Our professionals are highly skilled and well trained



All our Windows and Doors are 100% Canadian made using only the highest-grade of materials.


All our windows meet or exceed the CSA standards and Energy Star Criteria, and come with a written windows lifetime warranty.


Our professional and courteous installers are factory trained, certified, licensed and insured.

Quantum Windows and Doors


Our mission at Quantum Windows and Doors Toronto is to satisfy the needs of customers who wish to better their homes and businesses through window and door improvements and specialty glass products. To provide protection from the elements and improve quality of life through aesthetics and reduced living costs.

Our goals are directed towards the specific needs of any customer who requires the widest range of products and services of high quality and value in a timely manner. To employ leading edge technologies to produce customized windows and door frames, doors, sealed units, glass, mirror, and aluminum sliders. We also provide hardware, installation and repair service. We also benefit from an honest relationship with our suppliers. On top of our many years of expert experience, we have a wide list of appreciative customers to back up our word on customer satisfaction. Our services have ranged from catering to domestic window and door needs, all the way to industrial location projects. Our windows and doors are quality assured, built from the strongest materials available on the windows and doors market, they never cease to amaze. We pledge our ranking on providing highly effective and interactive services! Contact us today.

It is our desire to satisfy customers and employees alike to ensure a successful future.

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