Pay Absolutely Nothing until 2021!

Replacement Windows and Exterior Doors Skillfully Installed for Homeowners Throughout the Hamilton, ON, AreaReplacement Windows, Exterior Doors Hamilton ON

If you’ve made the decision to replace your old, drafty windows or upgrade the entryway of your home, there is no better company to trust in the Hamilton, Ontario, area than Sentry Windows & Doors. We are a family-owned and -operated company that firmly believes in providing our customers with the best service possible. Our top-of-the-line products include:

Replacement Windows

Our replacement windows are 100 percent Canadian made and ENERGY STAR® rated, which means they are built specifically to perform in all four seasons of the Ontario climate and improve the energy efficiency of your home. What’s more, we manufacture the windows ourselves using virgin vinyl that is fusion-welded for enhanced durability, so you can count on windows that will never fade, break, chalk, or warp. We are so confident in the quality of our windows, we back them with a lifetime guarantee.

Exterior Doors

We also install fiberglass and steel front doors, as well as vinyl patio doors. All of our doors are available in a variety of styles, so you are sure to find options that will beautifully complement your home. Our fiberglass and steel exterior doors feature composite jambs that are impervious to rot, so your door system will never fail. The vinyl patio doors we install are also resistant to rotting and warping, so you will continue to have a beautiful and functional passageway to your backyard or patio even years after installation.

Contact Sentry Windows & Doors today to learn more about our superb replacement windows and exterior doors, or come to our showroom located at 293 Nash Road North in Hamilton, ON, to speak with a knowledgeable representative in person. We proudly serve homeowners throughout the Hamilton area, including Burlington, Dundas, Ancaster, Stoney Creek, and Grimsby.

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Video Testimonials
Rave Reviews from Satisfied Customers
Three-Part Project in Windsor, ON
"They were fantastic we cannot say enough! Whenever we had a problem they were here just like that!"
Pat D. of Windsor, ON
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Front-of-House Project in Windsor, ON
"I would absolutely recommend sentry to family and friends. They do what they say they are going to do. "
Marcy O. of Windsor, ON
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Front & Side Entry Door Project in Windsor, ON
"Without a doubt the experience was fantastic. The door itself is quality. The workmanship was fantastic. "
Rich D. of Windsor, ON
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Ready for More in Windsor, ON
"We're so happy with everything that was done so we called Ken up again ... Round 3 will be coming soon!"
Jackie C. of Windsor, ON
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What Our Customers Are Saying
Take a look at some of our reviews from satisfied homeowners
Liked your presentation as compared to others. Willing to work with us on our remodel.
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Tom
From Ken in sales to Isaac & Aaron the installers we had a great all around experience!
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Mario
Salesman was very efficient, explained everything clearly and simply. I didn't feel pressured at all.
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Barth W
Excellent work in all regards, would definitely recommend!!
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Wilkinson
Very nice experience of dealing with Sentry Windows. Highly recommended.
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Imran
The new slider door is simply perfect. Thank you Sentry, we would never hesitate to recommend you!
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Nancy
guild-quality
4.3 Rating
google
4.8 Rating
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