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Trusted by 25,000+ Homeowners in Sarnia with Upgraded Windows & Doors!

St. Clair Windows & Doors is a Canadian owned and running business based in Sarnia, ON. We treat each project with meticulous attention to detail and guarantee our work will exceed your expectations. With over +500 window and door installations, St. Clair Windows & Doors is the company you can trust to get the job done right.

Windows & Doors

Windows

The windows we offer are high-performance, energy-efficient, and noise-blocking. They come in a variety of styles to best suit your needs.

Doors

We offer Fiberglass & Steel Doors – materials that will last a long time while still providing a desirable look and feel. We'll help you pick the door that is perfect for your home.

Series 1000

Introducing our Series 1000 windows, a perfect blend of classic design and modern efficiency. Featuring a traditional look with a substantial 3-1/4″ deep frame, these windows are tailored to meet a wide range of applications. Crafted for both energy efficiency and durability, the Series 1000 is the ideal choice for homeowners who appreciate both style and substance.

Benefits of Our Windows

Lower Energy Bills

North Star's high-performance windows and doors save you money by keeping your home cozy year-round. Featuring energy-saving Low-E glass, they retain heat while letting in maximum light, reducing energy loss. On average, they're twice as efficient as older windows, leading to significant energy bill savings.

Go Green

Harness the sun's natural heating and cooling with North Star's unique glass coatings. They keep your home comfortable in all seasons by reflecting heat, whether from the sun or your furnace. These coatings are nearly invisible, allowing ample light while maximizing energy savings.

Peace & Quiet

Enjoy tranquility at home with North Star's sound-blocking windows. Our advanced Super Spacer® technology and fusion welding process create a strong seal, keeping unwanted noise out. Whether it's your neighbor's activities or construction nearby, our windows provide a serene indoor environment.

E-Z Screen

Cleaning made effortless with our E-Z Screen. Hidden retention system, snag-free edges, and user-friendly design ensure hassle-free maintenance. Push to remove and snugly replace for seamless use.

Nesting Handles

Experience convenience with one-handed operation. Our low-profile nesting folding handles add elegance and functionality to your windows. Multiple hardware finish options available.

Match your Décor

Customize your windows to match your unique style. Choose from custom shapes, colors, and grilles to enhance your home's appearance inside and out. Seven exterior colors and two-tone oak finishes for interior trim available.

Glass Options

Optimize energy efficiency with the right glass choice. Explore our range of glass options to enhance your windows and doors' performance.

Energy Star

Join the international standard for energy efficiency. North Star Windows proudly support the Energy Star program, helping you save energy and money while reducing your environmental footprint.

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