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

Repurposing Old Windows

A few years ago, I provided windows for a beautiful gothic church with lots of wood cathedral windows that needed to be replaced. These old windows were no longer structurally sound enough to remain [...]

July 18th, 2018|All|

Glass Options

The question is, how can the same window qualify for ENERGY STAR “Most Efficient” for your igloo in Nunavik and not meet the building code in Toronto? The answer is… the choice of glass is [...]

July 14th, 2018|All|

New Quote Request

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