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

Excellent product. Installers were polite clean and quick We have a few more windows that need attention and we are looking forward to continued business with Loyal Seals. You can not compare the quality of these windows to anyone else.
google review Mark, Etobicoke, window installation
Tried to get another well known and advertised company to come out and give me a quote but they never called back. Loyal was there in no time to give me an estimate and we signed a contract. Work was done on time, neat and appears to be of good quality. I am totally satisfied and as a footnote the installation contractors had no problem with me hovering as they did the work…lol
google review Steven, Brampton, window installation
We had one of the best experiences as far as an install of 5 windows. The installers where very professonal very neet and clean. 2.5 hours and they where cleaning up and out the door.
google review Richard, Mississauga, window installation
The only downside was that their van broke down as they arrived to do the job, and they had to postpone for a day. But they were efficient, tidy, cheerful and did an excellent job of installing.
google review Richard, North York, window-door 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.