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

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
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
Very happy with the Window and service. Installed on time with no issues. They took the time to walk us through the mechanics of it and the process to remove the screen.
google review Karen and Steve, Toronto, window installation
I am a repeat customer of Loyal Seal. I had them do my windows in my previous home over 4 years ago. This time, I had them do a full house and 2 doors. Fair price, smooth process, product came as promised, good installation with minimal hassle and mess. I was present for the entire thing and observed, truly felt confident in the workmanship as the installers were clearly pro’s who knew what they were doing. They installed the new stuff with great care, and disposed of the old stuff for me, leaving my place pretty clean, just had to use the vacuum to clear some small debris, nothing major. All in all a good experience, far more responsible than many other companies that I have used for numerous other home improvement projects. Would use them again myself, would and have recommended to family and friends.
google review Marko, Vaughan, 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.