Ottawa Siding and Windows - BestCan Windows & Doors - Ottawa Renovations Ottawa Siding and Windows - BestCan Windows & Doors - Ottawa Renovations

Save 20% on New
Vinyl Siding & Windows For Your Home

Ottawa residents get 20% OFF new windows and siding! Request your free, no-obligation quote.
Please call 613.226.7611 or fill out the form below.

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Replacement Windows and Siding in Ottawa

Experience a transformation with updated siding and windows to enhance both style and energy efficiency.

For over 50 years, BestCan has established itself as Ottawa’s premier window, siding, and renovation expert. With an unwavering commitment to top-notch products and exemplary craftsmanship, we provide and install a comprehensive range of vinyl windows and siding, ensuring your home gets nothing but the finest energy efficient products.

Trust BESTCAN, Ottawa’s premier choice for new windows and siding.




When we finish the work, you can count on it. Professional workmanship and state-of-the-art windows and doors means peace of mind for you. 



We go in. We get the job done. And we get out of your way–-so you can enjoy your home. (And we clean up after ourselves too!)



We listen to what you need. We make sure you get what you want. And you don’t pay until the job is done!



BestCan has a no-nonsense Lifetime Product & Labour Warranty on all our windows, doors and vinyl siding.

At BestCan, our knowledgeable staff prides itself on exceptional customer service and worry-free installations. Let us guide you through the windows and entry door installation process, and provide you with the utmost peace of mind for years to come.Call 613.226.7611 today for your free windows and doors estimate.
20% off discount code will be applied


Had all of the windows replaced at our summer home. Great team at BestCan, from Bill in sales to Brian and Lee in admin, to Vlad and crew in design and installation. The team made ... More

Choosing BestCan was the best decision for replacing our doors and windows. The craftsmanship and quality of the windows and doors surpassed our expectations. Our home feels rejuve... More

After working with several renovation companies over the years, BestCan truly stands out. Their attention to detail and high-quality windows transformed our home. It's not just an ... More

Windows and Door Styles From BestCan

Vinyl Siding Colour Options

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Now Offering Full Lifetime Warranties On All Windows & Siding Products And Labour. Contact Us »

Canada Greener Homes Loan

Offering every qualified homeowner in Ontario up to $40,000 in interest-free loans for new windows.
Canada greener homes loan