Our collections

Discover our ATIS 100, 300, 500 and Architectural window collections.


Learn about the different materials used in window manufacturing.

Glass technologies

Our glass technologies make you save energy.


View and download our product brochures.

Atis Chef de file canadien des portes et fenêtres

ATIS is one of the leading window and door manufacturers, distributors and retailers in Canada.

For over 70 years, we have dedicated our talent to developing, manufacturing, distributing and installing doors and windows adapted to every budget and featuring high energy performance on the technology cutting edge. At ATIS, we believe that the doors and windows purchasing process can be simple and user-friendly – this is why we offer our customers complete support, from design to installation.

We thus wish to convey our passion through advice, tools and histories that will allow you to make the right choice in doors and windows.

Choosing ATIS means opting for efficiency in full collaboration.


ATIS offers the widest selection of doors and windows in Canada, adapted to your budget and allowing you to optimize your home’s energy efficiency and increase its value.


To do this, we rethink the doors and windows purchasing experience to make it more useful, adapted and comfortable with the support of our consultants, who guide you through every stage of the process.



We are a breath of fresh air in a complex industry. We are doors and windows experts, but we keep things simple to make your experience run smoothly and help you understand our business better.


We add references and human support to your experience. We opt for a relationship consulting approach to guide you and give you confidence at every stage of the process.


We have been creating doors and windows for over 70 years. Our knowhow-based culture guides us in developing quality products and experiences.


We believe that good design is an opportunity to really improve our customers’ everyday lives. Our products have aesthetic quality, but are primarily created to be useful, adapted and comfortable.

ATIS Newsletter

Subscribe to our newsletter to receive inspiring content and know everything about our promotions!