The 5 Best Rated Window Companies in Ontario

Aug 9 2023 Posted By Ontario Window Reviews

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A sales representative speaking to a customer at one of the best rated window companies in Ontario

If you’re a homeowner in Ontario, you understand the significance of having top-notch windows. Ontario’s climate can be demanding, with chilly winters and humid summers, and having well-insulated, energy-efficient windows is essential for maintaining a comfortable, energy-saving, and visually appealing home. Whether you’re considering a window replacement project, upgrading your current windows, or simply curious about the best window companies in Ontario, you’re in the right place.

For your convenience, we’ve compiled a list of the top five best rated window companies in Ontario. Use this opportunity to check out each provider’s services, their competitive deals, and overall customer satisfaction!


Table of Contents
  1. Clera Windows and Doors
  2. Marvin Canada
  3. Landmark Windows
  4. Centennial Windows
  5. Consumers Choice Windows

    1. Clera Windows and Doors

Clera Windows and Doors is a top window manufacturer and installer renowned for its customizable vinyl replacements and commitment to customer service. They take pride in working with customers from design conception to final installation and beyond.

Clera puts customer satisfaction first by providing the best options possible, which includes a long list of Energy Star-certified products. They also offer financing options to make their products available for homeowners of all budgets!

Clera Windows and Doors Reviews

“We recently had our sliding patio doors replaced with garden doors with interior blinds. We have received so many compliments on our doors. Mike and his crew (Mike and Anthony) are very friendly and professional. It was a pleasure having them in our home. The installation was seamless and clean. They already have someone who will be ordering from them, after seeing these doors at our place. I’m sure there will be more to come. Thanks guys!”
—Maria Novielli

“Excellent! We have loved our dealings with Clera. Rod was amazing in listening and understanding the look we were trying to achieve and then suggesting products with the appropriate features. The windows were delivered within the expected delivery time frame. The installation was done quickly and the crew was very professional and accommodating. The windows we had install have made the house much brighter. The doors we had install feel very solid, despite both presently unique challenges. Clera’s quote wasn’t the cheapest quote we had but their price was certainly competitive and the results have been well worth the money.”
—Eric Tang

    2. Marvin Canada

Marvin Canada is a family-owned business that has made positive waves since 1912, originating as a community-focused lumber and cedar company. Since then, the company shifted their focus to providing high-quality windows and doors for customers.

Marvin specializes in made-to-order windows and doors. As an Energy Star Certified provider, it’s no wonder this belongs to the province’s best rated window companies. Their Signature Collection allows you to save energy while staying in style!

Marvin Canada Reviews

“Everyone I dealt with getting the windows installed and serviced was professional and efficient.”
—Ryan A.

“They really make you feel like family when you are there and they always go the extra mile to fulfill your needs.”
—Jan B.

 An installer measures the dimensions of a window.

    3. Landmark Windows

Replacement windows can be expensive, but Landmark Windows is a great option for cost-effective window replacement—without compromising quality!

Landmark offers window installations without interest and payments for one full year, allowing you more breathing room with your finances. Their team is ready to answer your questions and walk you through their Energy Star-certified options.

Landmark Windows Reviews

“These are by far the best windows I’ve ever seen! The installation was timely and the customer service was unreal!”
—Jay Drutz

“Incredible service and staff. Would certainly recommend this wonderful company.”
—John Smith

    4. Centennial Windows

Centennial Windows has been in business for 42 years. They specialize in providing end-to-end solutions for replacement windows and doors. You won’t have to worry about service and replacement parts because they offer these for free!

Centennial products are Energy Star, CSA, and NFRC certified to guarantee your high quality and energy efficiency. All their products come with a complete warranty to give you peace of mind should they get damaged.

Centennial Windows Reviews

“Centennial Windows impressed me with its outstanding installation team. The team arrived punctually and worked diligently to install my new windows. They paid attention to every detail and ensured a flawless finish. The quality of the windows is remarkable, and I have noticed a significant improvement in energy efficiency. I am grateful to Centennial Windows for its excellent installation team.”
—Violet Anderson

“The team at Centennial Windows was courteous and professional from start to finish. They were knowledgeable and helpful in selecting the right windows for my home, and the installation was done efficiently. I’m very satisfied with the result.”
—Emily Evans

    5. Consumers Choice Windows

Consumers Choice Windows offers RevoCell triple-pane windows to help you save more energy and keep your home temperatures comfortable. In 2023, Energy Star awarded them their Most Efficient Product award for exceeding expectations!

Since 1989, over 50,000 customers have praised the provider’s excellent services and expressed their appreciation. Their customer service team is ready to respond to your call, especially during times of emergency. Additionally, their comprehensive warranty covers all product damages.

Consumer’s Choice Windows Reviews

“This is the third time we have used Consumer’s Choice to do replacement windows/doors in our home. We were replacing “builders quality” with upscale products and have not been disappointed!”
—Jan from Toronto

“We would definitely recommend Consumers Choice. Our sales rep, David Hunter, was very friendly and nice to work with. He gave us good recommendations on window choices and brought windows in our house to show us how they worked and was flexible with our schedules.”
—Michelle in Aurora

 A set of freshly installed replacement windows with curtains

Learn More About The Best Rated Window Companies

When it comes to choosing between window companies, customer reviews can provide valuable insight into products, services, and customer service.

If you want to learn more about what people think of the best rated window companies, Ontario Window Reviews is your one-stop source. Here, you’ll find all the feedback on all the biggest window manufacturers and providers!

Send us a message with questions and concerns, and we’ll happily answer them.

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