Toronto’s #1 Windows & Doors Specialists

Over 80,000 Greater Toronto Area home owners chose us for quality windows and doors since 1998. Get a quote today.
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Delivery & Installation

Fast and clean installation by professional technicians

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Energy Efficient

Reduce your bills by 25% and soundproof outside noise

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Product Warranty

Reliable windows & doors with limited product warranty

Join over 80,000 customers in GTA

Great company, very knowledge, professional, and dedicated. From first contact until the final installation communication was open, clear and consistent. They were professional, diligent, and friendly. Vadim went over and above to install the windows carefully and took great care in keeping our home in a very respectable order. We are very happy with our new windows and look forward to working with Loyal Seal windows and doors again. We have no hesitation at all in recommending them to our family and friends. Thank you. Bogda
google review Bogda Stang, Mississauga, window installation
Gave us fair price, had windows made within 3 weeks and installation was done in one day the guys cleaned up after and took all old ones away great service
google review Chris, Mississauga, window installation
the sales and installers were very professional, polite and good in timing, the area were cleaned after the work done. the price was reasonable the product quality is good, I had another window was installed by the same group three years ago.
google review Said Mishriki, Toronto, window installation
Great service! Very clean and professional installation.
google review Vicky Nguyen, window installation

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Premium Windows & Doors at Affordable Prices Since 1998

With over 20 years of experience in the windows and doors industry, Loyal Seal Windows & Doors Inc. is one of Canada’s leading windows and doors suppliers. Loyal Seal carries a wide range of quality windows and doors systems.

When you choose windows, you want quality, beauty, and economy. Choosing Loyal Seal for your home means choosing the highest quality materials and installation service. It means being pleased with your beautiful windows and doors for years to come.