Know More About Us

Our goal is to ensure that the look of your home, the comfort, and its overall value is recognized and evolved after the window and door installation is complete. Keep a solid barrier between your home and the outside world with our highly efficient and energy star doors and windows.

The owners have been in the window & door sales and installation business for over 15 years, their trusted name and trusted products backed up by happy clients and excellent reviews. Read some of our testimonials & reviews here.

Focusing specifically on meeting the constant demand for quality products and services in Ottawa / Gatineau doors and windows. Capitall Windows is a leader in providing the consumer with a complete purchasing experience from start to finish. Capitall Windows has a large showroom showcasing window and door products that keep up with the current trends.


Our mission is to provide every one of our customers with high quality products, professional services and the end result they expect of a professional window & door installation company Ottawa. We do this by providing high quality designed products, superior craftsmanship, and the best customer service possible at a competitive price that fits within your budget.


We pride ourselves in providing exceptional customer service for all of our Ottawa/Gatineau and surrounding areas clients. Our thinking is that the job is not complete until you are completely satisfied with the results. We stand behind our work and will do what it takes to ensure your ideas made reality. We offer a number of financing options to ensure that you can complete your home renovation project of window & door replacements in a way that is the easiest for you financially.


Over the years we have improved thousands of homes, and saved tens of thousands of dollars for our customers on their heating and A/C bills. We want your home to be next to be improved for lower energy consumption and to visually beautify your home. Contact us now and sign up online for a FREE in home estimate!