Replacement Windows in Toronto & the GTA
Energy-efficient replacement windows designed for the Canadian climate and professionally installed across Toronto and the Greater Toronto Area.
Window Replacement & Installation
At GTA Windows and Doors, we manufacture, install, and service premium replacement windows for homeowners throughout Toronto and the Greater Toronto Area. Our windows are engineered for energy efficiency, durability, and performance in the Canadian climate.
Whether you're upgrading a single window or replacing every window in your home, our team handles the full process — from free consultation and measurement to professional installation and cleanup. Every window installation is backed by our warranty.
- ENERGY STAR® certified for energy efficiency
- Designed for the Canadian climate
- Professional installation included
- Backed by our 25-year warranty
Window Styles
Window Types We Offer
We offer a full range of replacement window styles to suit any home in Toronto and the GTA.
Casement Windows
Professional casement windows replacement and installation for Toronto and GTA homes.
Get a QuoteAwning Windows
Professional awning windows replacement and installation for Toronto and GTA homes.
Get a QuoteSlider Windows
Professional slider windows replacement and installation for Toronto and GTA homes.
Get a QuoteHung Windows
Professional hung windows replacement and installation for Toronto and GTA homes.
Get a QuoteBay & Bow Windows
Professional bay & bow windows replacement and installation for Toronto and GTA homes.
Get a QuoteCustom Shaped Windows
Professional custom shaped windows replacement and installation for Toronto and GTA homes.
Get a QuoteFree Consultation
Request Your Free Quote
Book a free in-home consultation with one of our local sales representatives. We'll help you choose the right windows and doors for your home and budget.