The #1 Choice for Window Dealers and Installers Across Canada
At Global Window & Door Mfg, we’ve mastered fenestration over 30+ years, delivering unmatched energy efficiency, lifetime durability, and bespoke solutions tailored to dealers, builders and contractors.

Windows Manufactured
About Us
For over three decades, Global Window & Door Mfg has been at the forefront of precision window manufacturing in Ontario. We combine advanced engineering with uncompromising craftsmanship to deliver windows that enhance comfort, efficiency, and curb appeal. Every unit we produce is built with premium uPVC vinyl frames, advanced Low E² thermal glass, and innovative multi chamber technology, designed to perform in Canada’s toughest climates.
Our commitment is simple: manufacture products that look beautiful, perform flawlessly, and last a lifetime. Builders and contractors can count on Global Window & Door Mfg for window solutions that blend style, performance, and value.

Enjoy superior ventilation, energy efficiency, and sleek design with our expertly installed casement windows, built for smooth operation and lasting performance.

Perfect for all-weather ventilation, our awning windows combine functionality with style, protecting your home from rain while letting in fresh air.

Space-saving and easy to operate, our sliding windows offer modern lines, exceptional durability, and clear, unobstructed views.

Maximize natural light and frame your outdoor view with our energy-efficient, maintenance-free fixed and picture windows.

Add elegance, extra space, and panoramic views to your home with our beautifully crafted bay and bow windows.

From unique shapes to specialty glass, we design and manufacture windows tailored to your exact style and performance needs.
Your Trusted Window Manufacturing Partner
At Global Window & Door Mfg, we understand that your reputation depends on the products you install. That’s why we partner with dealers, contractors, and builders across Ontario to supply premium, energy-efficient windows that your customers will love for decades.
Our state-of-the-art manufacturing process, competitive wholesale pricing, and fast turnaround times make us the smart choice for professionals who demand quality and reliability. Whether you need custom sizes, bulk orders, or specialty designs, we deliver—on time, every time.