Top 6 Windows and Doors Companies in Toronto (2025 Ultimate Guide)

Toronto’s climate, with its freezing winters and hot, humid summers, makes choosing the right windows and doors a critical decision for any homeowner. High-quality, energy-efficient windows and doors can dramatically reduce your energy bills by preventing heat loss in the winter and keeping your home cool in the summer. In fact, upgrading to ENERGY STAR® certified windows can save you an average of 8% on your energy bills. Beyond just savings and comfort, new windows and doors can significantly boost your home's value and curb appeal, a crucial factor in Toronto's competitive real estate market.

Whether you're renovating an older home or building a new one, selecting a reputable company is key to ensuring a flawless installation. Here are six of the best window and door companies in Toronto, known for their energy-efficient products, professional service, and modern designs.

1. Wintur Windows & Doors

Wintur Windows & Doors is a premier Toronto-based manufacturer specializing in high-performance aluminum window and door systems. Their designs are modern and minimalist, featuring slim frames and expansive glass to maximize natural light while delivering exceptional thermal performance. Wintur's products are engineered with advanced thermal breaks, making them incredibly durable and energy-efficient, even in the harshest Canadian winters.

Wintur is the top choice for homeowners and builders seeking a sleek, architectural style for upscale residential projects, custom homes, and commercial builds. They are committed to the principle that “luxury isn’t just how it looks—it’s how it performs,” blending sophisticated style with outstanding thermal, acoustic, and structural performance. For those in the GTA looking for modern window systems, Wintur is the go-to for cutting-edge design and quality.

2. Canadian Choice Windows & Doors

With a stellar 9.4/10 rating on HomeStars, Canadian Choice is one of Toronto's most trusted window and door companies. They manufacture their own DraftLOCK™ windows, which are renowned for their quality and energy efficiency. By using in-house installation crews, Canadian Choice ensures a consistently high level of quality from the factory to your home.

Their windows are designed with multiple panes, reinforced frames, and heavy weather-stripping to eliminate drafts and reduce energy consumption. Canadian Choice stands behind its products with a comprehensive warranty on both products and labor and offers a price-match guarantee. With thousands of successful window and door replacements across Toronto, Canadian Choice is a reliable and experienced choice for any homeowner.

3. Magic Window Innovations

Magic Window Innovations is a local Toronto company that lives up to its name with its innovative window features and elegant designs. They are best known for their proprietary Slide & Hide™ retractable screens, which disappear when not in use, offering an unobstructed view. This feature, combined with their modern window styles, is perfect for homeowners who want to maximize natural light and maintain a clean, contemporary aesthetic.

Magic offers a variety of energy-efficient windows and patio doors, all engineered for the Canadian climate. They also provide a comprehensive lifetime warranty on their windows and installation. While their products come at a premium price, the blend of innovative technology and high performance has made them a top choice for design-conscious homeowners in Toronto.

4. Clera Windows + Doors

Clera Windows + Doors is a family-run Ontario manufacturer that has been in business since 1978. With over 40 sales and service locations across Ontario, Clera is one of Canada’s premier makers and installers of custom windows and doors. They design and build their vinyl windows in their own factory, allowing for tailored sizes and styles to fit any home renovation project.

Clera’s products are known for their durability, security, and energy efficiency. Their high-performance vinyl windows come with low-E glass and insulated frames to handle Toronto’s climate. Clera offers a non-prorated, transferable lifetime warranty that covers all window components. Their factory-direct model ensures homeowners receive quality windows and doors at fair prices, making them a trusted choice for any project.

5. Renewal by Andersen

Renewal by Andersen is the full-service window replacement division of the Andersen Corporation, a brand with over a century of experience. They offer custom-built windows and patio doors featuring their exclusive Fibrex® composite material, which combines the strength of wood with the low-maintenance benefits of vinyl. This results in frames that are resistant to rot, peeling, and fading.

Renewal by Andersen provides a complete “white-glove” service, from consultation to installation, and offers robust warranties. Their high-performance glass options make their windows extremely energy-efficient. While they are a premium option, their reputation for quality and craftsmanship makes them a top choice for homeowners seeking a high-end window and door installation in Toronto.

6. Pella Windows & Doors

Pella is another major player in the North American window and door market, with a strong presence in Toronto. They offer a wide range of materials, including wood, fiberglass, and vinyl, and are known for their innovative designs and high-quality craftsmanship. Pella’s windows are ENERGY STAR® certified and can be customized to fit any architectural style.

Pella is a great option for homeowners who want a wide selection of styles and materials to choose from. Their products are backed by a strong warranty, and they have a reputation for excellent customer service. Whether you’re looking for traditional wood windows or modern fiberglass doors, Pella has a solution for every home.