About Our Company

Grand Windows and Doors have provided expert installation of the top-quality replacement windows and doors in the GTA and surrounding areas for over 23 years. We offer only the best products from a variety of top-rated manufacturers that are backed by an industry-leading warranty.

We will help you choose a material, design, size, color, and will be there for you throughout all the steps of the process to ensure that your dream design becomes a reality.

Complete customer satisfaction is the cornerstone of our work; our team of professionals will make sure that the process of replacing the windows or doors at your home is completely worry-free.

Contact us today for a free estimate and we will make sure you will get QUALITY, COMFORT and a PIECE OF MIND.

Why replace your Window or a Door?

Lower Energy Costs
Increase energy efficiency and lower your hydro and electric bills with our ENERGY STAR-rated windows.

Increase home Equity
New windows and doors are one of the best "bang for your buck" renovations.

Protect you home
The High-quality windows and doors prevent water ingress and the resulting damage within walls and on interior surfaces.

Beauty and Durability
Improve the curb appeal of your home with updated windows and doors.

Stay Safe with new and best on the marked locking system.

Pease of Mind
Choose our low-maintenance windows that last for years.