Pay Absolutely Nothing until 2021!

A Family-Owned Window and Door Company Serving Homeowners throughout Southwestern Ontario

Homes in Southwestern Ontario need to be able to withstand extreme weather, which can force heating and cooling systems to work extra hard to provide necessary comfort. At Sentry Windows & Doors, we understand the demands that the harsh local climate can put on your home. When you choose us as your window and door company, you will be able to visit one of our conveniently located showrooms to see for yourself the wide selection of high-quality replacement windows and exterior doors we offer. Our products are designed to provide four-season performance, and we have the expertise needed to help you choose the perfect options for your home.

We’re Nearby and Ready to Serve You

Sentry Windows & Doors has four convenient showroom locations in Southwestern Ontario so homeowners in search of a trusted window and door company will always have a nearby option. You can find us at:

  • 3423 Walker Road in Windsor – Our main location serves Essex County, including Amherstburg, Essex, Kingsville, Lakeshore, LaSalle, Leamington, and Tecumseh.
  • 1111 Franklin Blvd. in Cambridge – Serving the Tri-Cities of Kitchener, Cambridge, and Waterloo, as well as Brantford, Burlington, Guelph, Hamilton, and Woodstock.
  • 701 St. Clair Street in Chatham – Serving the entire municipality of Chatham-Kent.
  • 45 Meg Drive in London – Serving London, Sarnia, and the surrounding area.

Offering Exceptional Window and Door Replacement Products

Our residential replacement windows and exterior doors can upgrade your home’s curb appeal while also improving its energy efficiency. Our vinyl windows, which are 100 percent Canadian-made, feature insulated frames and ENERGY STAR®-certified low-e glass and are available in a wide range of styles including awning, bay, bow, casement, double hung, hopper, and more. Our entry doors are available in heavy-duty steel and elegant fiberglass, and we also offer vinyl patio doors that provide an exceptional level of durability. All of our products are backed by a no-nonsense lifetime warranty.

If you would like additional information about our products and our installation services, contact the window and door company that homeowners throughout Southwestern Ontario rely on – Sentry Windows & Doors, Your Guardians of Family Comfort.

Pay Absolutely
Nothing
Until 2021
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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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