Best Window Replacement Companies in Oshawa

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Every year, Canadians across the country devote valuable time and resources to designing, furnishing, and renovating their homes. According to the Statista Research Department, nearly half of all surveyed Canadian homeowners spend up to $10,000 on home renovations each year, with 24% planning to invest up to $25,000 in their homes. In terms of major tasks when it comes to home renovation, window and door replacement is key, and finding a trustworthy, reliable, and professional window and door replacement company is imperative when undertaking a home improvement project.

The city of Oshawa is home to a robust collection of trusted window and door replacement services operating within its boundaries, each with a strong reputation among local customers. 

Clera Windows + Doors

Clera Windows + Doors is a well-established company that has been providing window and door replacement services in Oshawa since 1978. They offer a wide range of services, including window and door installation and replacement, brick-to-brick installation, retrofit installation, and custom window installation. Clera Windows + Doors serves approximately 1,000 homes every month with the help of their 125 employees working in 37 sales and installation offices. 

With a Homestars rating of 9.2 out of 10, Clera Windows + Doors was named one of Canada’s Best 50 Privately Managed Companies. For questions about the services provided by Clera Windows + Doors, visit their website. 

Brock Doors & Windows

On the market since 1990, Brock Doors & Windows has gained a remarkable reputation in the home renovation industry. Offering windows, entrance doors, and patio doors, the range of products offered by Brock Doors & Windows features a diverse variety of casement, awning, bow, bay, single & double-hung tilt, single & double slider, and picture windows. 

With a score of 9.1 out of 10 based on 2,744 reviews on Homestars, Brock Doors & Windows holds a solid reputation among its local customers. For detailed information on services provided by Brock Doors & Windows, visit their website. 

Panorama Windows & Doors

Panorama Windows & Doors is a relatively small company working in the window and door replacement and installation industry in Oshawa. With only 12 employees, Panorama Windows & Doors carries exclusive, high-quality products, featuring a range of vinyl, wood, and fibreglass windows, doors, and patio doors. 

With a score of 10 out of 10 based on 202 Homestars reviews, Panorama Windows & Doors has been awarded the status of Top Choice Award 2020, as well as Top Choice Award 2021. For more information, visit their website.

Centennial Windows & Doors

Centennial Windows & Doors is a family-owned business based in Oshawa offering end-to-end solutions to its customers, including replacement manufacturing, sales, installation, and a variety of other services. With 25 standard window colours and 29 entry and sliding patio door colours, Centennial Windows & Doors offers a 100% warranty on all their services.

According to 358 Homestars reviewers, Centennial Windows & Doors holds a rating of 9.1. For more details about products and services offered by the team at Centennial Windows & Doors, visit their website.

Canadian Choice Windows & Doors

Having been on the market for over 25 years, Canadian Choice Windows and Doors offers residents of Oshawa a large and diverse selection of energy-efficient replacement windows and doors, including vinyl windows, casement windows, awning windows, bow and bay windows, front doors, patio doors, and sliding doors. 

Holding a rating on Homestars of 9.4 out of 10, Canadian Choice Windows & Doors is a strong competitor in the market of window and door installation and replacement in Oshawa.

For more information about the products and services offered at Canadian Choice Windows & Doors, visit

As a whole, the home renovation market of Oshawa features plenty of trusted window and door replacement companies to choose from.

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