Our Products

New & Replacement Windows

Over time, even the finest windows will degrade, becoming difficult to use or simply failing altogether, or you may just think it’s time for a face-lift to modernise your home. When this happens, it’s important to have a window replacement company you can trust to help you achieve the best results.

With Cossins Windows & Doors, you can rest assured you will receive the highest quality products and expert installation services in Calgary. We’ve have been Calgary’s choice for replacement windows for over 40 years and would love to discuss your next windows project.

Entry Doors

The doors in your home or business are vitally important. Not only do they serve the functional role but also increase your home’s security, energy performance and aesthetic value. At Cossins Windows & Doors, we provide the highest quality solid wood, aluminium and fiberglass entry doors. Be sure to see our showroom to view all door and hardware options.


Skylights provide rooms with natural light and fresh air and are invariably more beautiful, spacious and uplifting to your spirits. Daylight is the essential element that transforms conventional rooms into splendid spaces that add value and quality to your home and your life.

Cossins Windows Ltd. is a Calgary based, Velux certified Skylight and Sun Tunnel installer.


Leave it up to us!

We understand that replacing the windows and exterior doors in your home can be overwhelming. At Cossins Windows and Doors, our goal is to make this process as easy and stress-free as possible. That’s why we’ve created an easy-to-follow window and door installation guide. Everything you need to know about the installation of your new Cossins Windows and Doors can be found here.

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