High Quality, Energy Efficient Replacement Windows

Windows from $199
Patio Doors from $799.
We match all written estimates and give up to 10% off lowest quoted price

Replacement Windows and Doors GTA

Our windows, entry doors and patio doors are manufactured in Canada using state of the art process, ensuring each door and window meets or exceeds Ontario building code.

Reliable & Experienced Windows and Doors Replacement Contractors in Greater Toronto Area

We have installed hundreds of windows and doors over the last few years, with aim to provide greatest customer experience. Our clients’ referrals and repeat business are the most important accolade for us that we always strive to earn.

another window replacement project by ON Star Windows & Doors in suburban Ontario

  • Free On-Site Estimate

  • Professional Installation

  • Warranty & Repairs

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Satisfied Customers

Book a Free In Home Estimate or call us at 1 (800) 383-6041

Recent Blog Posts

The Essential Advantages Of Double Pane Windows

A crucial part of the renovation of your house entails that you decide on the kind of windows that would be in line with your requirements and tastes. The most common dil...

December 17th, 2018

The Most Popular Styles Of Windows

There is a multitude of factors that contribute towards your decision to buy a particular type of window for installation during a renovation of the construction of your ...

December 12th, 2018

Tips to Find the Best Window and Door Installation Company

The task of finding the right window and door replacement company is as crucial as selecting the new windows and doors for your home. This is because if you don’t get t...

November 15th, 2018

Start with a Quote. It’s Easy and free!

We’ll make your window and door replacement experience simple and offer you the best value. Schedule your free, no-obligation in-home consultation today!

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