MJS Windows is a family-owned business operating in the Alliston, ON and surrounding area for over 25 years. We provide personalized services while maintaining integrity and above all else, excellent customer service. We provide both the sales and installation of high quality, energy efficient vinyl windows, patio doors and entrance systems with each project custom designed to meet your vision.

We never use sub-contractors and make every effort to keep our operation costs at a minimum to pass on that savings to our valued customers. We also handle all clean up and removal of debris at no extra cost ensuring a clean and beautiful finish that is 100% Satisfaction Guaranteed. Our experience has taught us that premium products are essential in any installation.

Our suppliers are the best of the best using North Star Manufacturing for our windows and patio doors and Northern Light & Doors Inc. for our entrance systems. I can certainly see why you came so highly recommended - I'm so impressed with my new windows and can't thank you enough for such a wonderful difference you made.

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Reviews (5)

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K. K.

Aug 21, 2020

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Wonderful services. They respond to our request in a timely manner and gave us a very reasonable quote. Their technician came to measure the window and make sure it's the right measurements before they order glass for us. The technician came to the site on time and start working right away, the end result was very pleasant and satisfying. We are very happy and grateful they can come and fix our window in such a short notice. I highly recommend anyone who want to get their window fixed or replaced with a reasonable price. They are your go to person

Fawad Shaiq

Jan 02, 2020

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Inexpensive place to get window screens. They also sell windows and do shower enclosures but I didn't use them for that so can't comment

Kent Wilson

Dec 23, 2019

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Very professional workers and did a nice clean job installing our windows. Happy with the service and would use them again.

Daniel Delarosa

Sep 01, 2019

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110%, Satisfaction, l recommend this place. They sell premium windows. On top of everything else ,very reasonable prices. Customer service is outstanding, 10 stars.

Ray Wu

Aug 30, 2019

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I brought my cracked window to MJ's and was quoted a price of $40 to replace. They placed an order with the manufacturer and less than a week later it was ready for me to bring my frame in for them to replace the cracked pane. Even though the technician was away when I arrived on a Saturday, they stayed opened beyond closing, just for me. They wanted to make sure that I could get my window back that day when the technician returned to the store after he finished his away job.