E.T. Windows is Calgary Alberta’s premier window and door company for your building or renovation projects. You can rely on our 20 years of experience, expertise and impeccable installation services to give you the best windows and doors in your choice of styles, colours, materials and energy efficient designs. Contact us today!

Energy StarE.T. Windows is proud to offer ENERGY STAR qualified doors and windows.
Our windows, sliding glass doors and entry doors are Energy Star rated.
ENERGY STAR is a government-backed program sponsored by the Canadian government to help consumers identify energy efficient products.

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ET Windows offers an extensive line of quality windows


At E.T. Windows we know that windows and doors for a new building or renovation project are a significant investment. Let us help you choose the best windows and doors to enhance the beauty and increase the energy efficiency of your home.

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ET Windows delivers outstanding products

Transferable Warranty

E.T. Windows gives you a Transferable Warranty for all of their window and door products, that is fully transferable if you choose to sell your home – a bonus for both you and the purchaser.

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What our customers say:

"ET windows were great to work with. The level of knowledge and passion for quality products was obvious from the start. Install went quick and the finished job looks amazing. Thank you ET Windows."

Marcus, Calgary

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