If you’re a homeowner in Ontario, you understand the significance of having reliable, durable windows.
Ontario’s climate can be demanding, with subzero winters and humid summers. That’s why it’s crucial to invest in well-insulated, energy-efficient windows to maintain a comfortable, energy-saving, and visually appealing home. Whether you’re considering getting window replacements, building a new home, or simply curious about the best window manufacturers in Ontario, you’re in the right place.
For your convenience, we’ve compiled a list of the 10 top-rated window manufacturers Ontario is home to. Check out each provider’s services, their competitive deals, and overall customer satisfaction through reviews shared with Ontario Window Reviews!
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⭐ Ontario Window Reviews Score: 4.5 out of 5
⭐ Better Business Bureau Rating: A+
⭐ Homestars Star Score: 91%
Clera Windows + Doors is a top window manufacturer in Ontario. Since 1978, the company has earned its reputation as the most trusted provider of customizable vinyl replacement windows and commitment to exceptional customer service. They take pride in working with customers from design conception to final installation and beyond.
With more than 45 sales and installation offices across Southern Ontario, there’s bound to be a Clera Windows + Doors near you. Customers can expect factory-direct pricing, monthly promotions, and financing options that make their products affordable for any budget. These are just a few reasons why they’re known to offer the best windows in Ontario!
Alt Text: A positive Clera Windows + Doors review of the company’s expertise
⭐ Ontario Window Reviews Score: 4.1 out of 5
⭐ Better Business Bureau Rating: A+
⭐ Homestars Star Score: 81%
Producing the best windows in Ontario is at the top of Landmark Home Solutions’ priority list. They’re one of the best window manufacturers because of their exceptional product standards and customer service. This SAWDAC member promises high-quality energy-efficient windows that are recognized and tested by CSA, IGMAC, and Energy Star.
Landmark performs greatly in making you—the homeowner—feel special. Their transferable warranties protect clients and guarantee peace of mind. Not only that, but Costco members are eligible to get back 10% of their purchase in the form of a Costco Shop Card!
Alt Text: A satisfied customer expresses joy about receiving quality replacement windows and doors from Landmark Window
Alt Text: A Landmark Home Solutions review left by a pleased customer who received new windows and doors
⭐ Ontario Window Reviews Score: 4.1 out of 5
⭐ Better Business Bureau Rating: N/A
⭐ Homestars Star Score: 57%
Marvin Canada is a family-owned business, founded as a community-focused lumber and cedar company in 1912. Now, the company provides high-quality windows and doors for customers across Canada.
The company specializes in made-to-order windows and doors for new construction, renovation, commercial buildings, and heritage homes. Their experience working with architects, builders, and homeowners makes them one of the top-rated window manufacturers in Canada.
Alt Text: A Marvin Canada review left by a satisfied customer who received energy-efficient windows
Alt Text: A Marvin Canada customer left positive comments about the company’s windows in their review
⭐ Ontario Window Reviews Score: 4.1 out of 5 stars
⭐ Better Business Bureau Rating: A+
⭐ Homestars Star Score: 91%
Centennial Windows has been in business since 1981. They specialize in providing end-to-end solutions for replacement windows and doors. Their energy-efficient windows stand out from the rest since theirs have features like super spacers, low-emissivity glass, and more. They also have a team of reliable installers, ensuring your windows are installed correctly and professionally.
Centennial products align with the standards of Energy Star, Key Fenestration Certification, CSA, IGMA, and NFRC to guarantee high quality and energy efficiency. All their products come with a complete warranty that covers products and installation for as long as you own your home to give you peace of mind should they get damaged.
Alt Text: A Centennial Windows review left by a happy customer who received new windows
Alt Text: A homeowner expressed in their review how Centennial Windows fulfilled their requests successfully
⭐ Ontario Window Reviews Score: 4.1 out of 5
⭐ Better Business Bureau Rating: B-
⭐ Homestars Star Score: 70%
Since 1989, Consumers Choice Windows has helped over 50,000 customers with innovative window and door replacements. Specializing in Nordik’s RevoCell® window technology, their product line is designed to help homeowners save on energy costs while keeping their homes cozy.
In 2024, Energy Star awarded them their Most Efficient Product award for exceeding expectations—a coveted recognition among window manufacturers in Ontario!
Alt Text: A 5-star Consumers Choice Windows review
Alt Text: A positive customer review on the attentiveness and knowledge of Consumers Choice Windows
⭐ Ontario Window Reviews Score: 4 out of 5
⭐ Better Business Bureau Rating: NR
⭐ Homestars Star Score: 86%
Rely on Brock Windows for some of the best windows in Ontario. This window manufacturer is known for offering impressive and durable vinyl window and door styles. From double-hung windows to picture windows to French doors, everything in their collection is Brock solid!
For over 30 years, the company has continuously helped customers save energy costs. Their infallible fenestrations are built to last and resist weathering, helping you lower utility bills—it’s why they’re one of the top-rated window manufacturers Canada has to offer.
Alt Text: A review left by a pleased customer that liked the communicativeness of Brock Windows
Alt Text: A Brock Windows review left by a satisfied customer
⭐ Ontario Window Reviews Score: 4 out of 5
⭐ Better Business Bureau Rating: B-
⭐ Homestars Star Score: 50%
If you’re looking for Ontario window manufacturers with excellent hands-on services, Pella Windows is a great choice. Whether you’re looking for wooden casement windows or lavish exterior doors, this company offers a comprehensive catalogue that has everything you need.
Pella Windows earned its status as one of the best window manufacturers in Ontario through its dedication to offering reliable products and exceptional customer service.
Alt Text: Pella Windows received a positive review from a customer who was impressed with their services
Alt Text: A Pella Windows review left by a happy customer
⭐ Ontario Window Reviews Score: 4 out of 5
⭐ Better Business Bureau Rating: NR
⭐ Homestars Star Score: 71%
Toronto Doors & Windows Company is one of the top-rated window manufacturers Ontario takes pride in because of its extensive selection of window styles. From awning windows to custom windows, their selections never disappoint. All their products are made with high-quality materials, preventing heat loss and home discomfort.
Their team has a localized approach when handling customers—they consider their needs carefully and go the extra mile to meet them. With hundreds of positive ratings on Google, Homestars, and TrustMate, Toronto Doors & Windows Company undoubtedly offers some of the best windows in Ontario.
Alt Text: A Toronto Doors & Windows Company review left by a pleased customer who received energy-efficient windows
Alt Text: A Toronto Doors & Windows 4-star review about high-quality windows
⭐ Ontario Window Reviews Score: 4 out of 5
⭐ Better Business Bureau Rating: A+
⭐ Homestars Star Score: 82%
Since 1998, Northern Comfort Windows has installed energy-efficient windows and doors in thousands of homes across Ontario. Northern Comfort Windows boasts many awards and recognition, including a “Reader’s Choice Award,” “HomeStars Best of Central Ontario Award,” and “Simcoe County Top Choice Award,” making it one of the top window manufacturers Ontario offers.
This Energy Star-certified company doesn’t rest on its laurels. It continues to provide the best for its customers—a quality you should look for in window manufacturers in Ontario.
Alt Text: An impressed customer left a review about North Comfort Window warranties
Alt Text: A Northern Comfort Windows review left by a satisfied customer
⭐ Ontario Window Reviews Score: 4 out of 5
⭐ Better Business Bureau Rating: A+
⭐ Homestars Star Score: 93%
Purchasing windows from the best window manufacturers in Ontario is better than relying on middlemen. Verdun Windows can give you the best prices and expert services to meet all your home needs without sacrificing quality.
Winning the “HomeStars Best Of” awards for nine consecutive years has made the company a top-rated choice for the best windows in Ontario. Their team works closely with clients from start to finish and continues to actively meet expectations by providing unparalleled customer care and a “no-bull” warranty.
Alt Text: Verdun Windows received a review from a customer who was impressed with the company’s warranty
Alt Text: A Verdun Windows review left by a happy customer who received energy-efficient windows
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 top-rated Ontario window manufacturers, Ontario Window Reviews is your one-stop source. Here, you’ll find everything you need to know about the biggest window manufacturers and providers in Ontario!
Help others discover the best window manufacturers in Ontario. Post a review today.
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