Toronto’s oldest and most trusted windows and door company

GEM Windows and Doors is a thriving family business serving the GTA and beyond for over 56 years. From the humble beginnings of an immigrant with a dream to leaders in windows, doors and more at GEM you get the service and products like no other.

GEM has diversified their product offering from simple to install products for the do-it-yourselfer to high-end customized products installed by our specialized crews. GEM takes the time to work with customers and identify their needs and budget. At GEM we value engineer to help get the look you want within the budget you need.

Latest News


Henry Ford said, “Give them any color they want… as long as it’s black.” OK, Henry was a production-oriented person who revolutionized auto manufacturing and not a marketing man! In the 1980s, one could say [...]

August 10th, 2018|All|

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Important Update: The deadline for GreenON Rebate Program installations has been extended to October 31,2018Learn More.