For over two decades, we’ve proudly served homeowners across Winnipeg, Toronto, the GTA, and Calgary, delivering superior window and door solutions that stand up to Canada’s most extreme weather.
For over two decades, we’ve proudly served homeowners across Winnipeg, Toronto, the GTA, and Calgary, delivering superior window and door solutions that stand up to Canada’s most extreme weather.

CANADIAN WINDOW & DOOR COMPANY
We are a Canadian window and door company built on a simple mission: to provide products and services that combine durability, energy efficiency, and timeless design – all backed by honest, personalized support from start to finish. Our award-winning team understands that your home is your greatest investment, and we treat it with the respect it deserves.
Our products are designed and manufactured in Canada, engineered to perform in the harshest climates – from frigid Prairie winters to humid summer heat. By using industry-leading materials, including Low-E coatings, triple-pane glass, and custom vinyl frames, we create solutions that enhance comfort, reduce energy costs, and elevate your home’s value and style.

CUSTOM PRODUCTS, INSTALLED THE RIGHT WAY
Whether you’re replacing a single window, redesigning your entire home facade, or upgrading your entryway, NorthShield offers:
– Custom-designed Vinyl Windows: Available in styles from casement and bay to tilt-turn and custom shapes.
– Exterior and Patio Doors: Fibreglass, steel, French and sliding options customizable to your style.
– Professional Installation Services: Performed by certified installers trained for precision, energy-efficiency, and weather-ready performance.
– Comprehensive Warranty Coverage: Covering product, installation, and select components for long-term peace of mind.

VOTED 'BEST WINDOW COMPANIES' IN 2025
Voted Best Window Company in 2025
We’re honoured to be named one of the 2025 Best Window Companies by Three Best Rated.
Voted Homstars ‘Best Of Awards’ 5 Years Running!
Winning this award just once is exciting, but winning three years in a row is something truly special. NorthShield is proud to be a 2021, 2022, 2023, 2024, and now 2025 HomeStars Best of Award Winner.
For us as a company, these awards celebrate everything we value: quality products, reliable services and customer satisfaction. They inspire us to keep raising the bar and delivering results that truly stand out among our competitors.

FREE QUOTES, EXPERT ADVICE & COMPLETE CARE
We believe that great service is as important as great products. That’s why we provide:
– Free, no-obligation in-home estimates tailored to your project.
– Expert advice based on decades of experience with local climates and building standards.
– Transparent pricing and honest communication throughout the process.
– Support beyond installation, with follow-up care and answers to your questions.
When you choose NorthShield, you’re choosing Canadian-made quality, trusted expertise, and a partner who stands behind every project – from consultation to completion.
1645 St. James Street, Winnipeg, Manitoba, R3H 0X1
Monday – Friday 9am to 5pm
Saturday – Sunday – By appointment Only
364 Supertest Road, Unit 206, Toronto, Ontario, M3J 2M2
Monday – Friday 9am to 8pm
Saturday – 9am – 2pm
Sunday – By appointment Only
6041 4 St SE, Calgary,
T2H 2A5
Monday – Friday 9am to 5pm
Saturday – 9am – 2pm
Sunday – Closed
WHAT’S NEW