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Congratulations, George!

Congratulations to George Warren, President and Owner of Centennial Windows & Doors, on being honoured with the prestigious C.P. Loewen Award! Presented by Fenestration Canada, the national association for windows and doors, this award recognizes a life-long contribution to the window and door industry.

George Warren, president of Centennial windows and doors

Since 1981 we have proudly served over 50,000 homeowners

Centennial Windows & Doors is a Canadian, family owned and operated business based in London, ON. We offer an end-to-end solution for replacement windows and doors meaning that we sell, manufacture, install, and service our own complete line of award winning, energy efficient windows and doors.

With 200 employees and over 50,000 customers, Centennial is a company you can trust for quality products and services.


We offer high-quality vinyl windows to fit any home and budget. All of our replacement windows are ENERGY STAR® certified and backed by our lifetime No Fine Print Warranty. With several colour, style, and size options available, your windows can be customized to suit your needs. Every Centennial vinyl window is custom manufactured, installed, and serviced by our expert team.

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The Front Face, or Facade, of a Large Mansion Like Home
Older Style Country Home With Custom Made Door Entry System Painted Black

Door Systems

Centennial door systems combine expert construction and strength with beautiful craftsmanship and design. Our ENERGY STAR rated doors are covered under our No Fine Print Warranty and are completely customizable. Available in fibreglass or steel doors, choose from hundreds of decorative options to customize your door system to fit your home and personal taste.

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The Centennial Difference

The Centennial Difference means that we’re accountable for every step of the process while manufacturing and replacing windows and doors. From the time your windows and doors are built to after they’re installed, our trained technicians ensure that you are completely satisfied with the end result. Our lifetime, No Fine Print Warranty guarantees your windows and doors are covered for as long as you own your home.

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We're honoured that others have recognized our commitment to excellence and innovation.

Blue Energy Star Logo Depicting Centennial Windows and Doors As 2014 Manufacturer of The Year
2014 ENERGY STAR Manufacturer of the Year - Windows and Doors

Blue and White Better Business Bureau Accredited Business Logo
Better Business Bureau A+ Rating