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GTA Windows and Doors has been serving the towns of Oakville and Mississauga for over 20 years, and we have grown to be a local leader in the home renovation industry.

Thanks to our Energy Star rated products, GTA Windows and Doors is the best choice around for home installations that save clients money on their heating bills in Mississauga and Oakville. Every door and window is designed with maximum efficiency for keeping the heat inside your home, and not letting it escape easily through gaps or cracks. A wide variety of styles and materials are available for all our windows and doors, so you can choose exactly what you want where you need it!

Our first-rate service and helpful customer team goes hand-in-hand with choice materials, giving superior products for the client. Our business has greatly expanded over the years, and now we’re proud to offer a huge selection of:

Bow and Bay windows

Awning Windows

Fiberglass doors

Sliding patio doors

And many, many more.

The final quality of a project is down to the contractors and fitters, so we make sure that our workforce are properly qualified, and will provide supervision from start to finish. We maintain our high standards on every job, and as a member of the Better Business Bureau customers are reassured they are receiving only the best service and products. The range of vinyl, steel and fiberglass product installations we provide are all made in Canada, and pre-approved by the Canadian Standards Association (C.S.A). All windows, doors and porch enclosures are in line with Energy Star ratings – saving homes and businesses money and protecting the environment through high energy-efficient measures. Factory prices and excellent service make GTA Windows and Doors the 1 choice for renovations in the Greater Toronto area.

Economies and markets are always changing, so GTA Windows and Doors keeps an eye on the current trends to make sure that we provide only the best product and labor costs available. Factory prices ensure that costs stay low and quality is maintained on all products, and every customer receives the best service possible from a friendly team all-round. Serving the towns of Oakville and Mississauga for decades, we know what’s important to you- and do our utmost to leave you completely happy with our work.

For free quote in Mississauga and Oakville on doors and windows replacement please contact us: 416-638-8300