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Choose Your window
  • Bay
  • Bow
  • Casement
  • Double Hung
  • Double Slider
  • Picture
  • Awning
  • Round Tops
  • Hopper
Bay Windows
Bay windows consist of three window panels – a central fixed panel flanked by two moveable panels – and project outward from a home’s outer wall, creating an interior bay that can make a room more spacious. With the side panels installed at an angle, bay windows afford expansive views that aren’t available with standard windows.
Bow Windows
Bow windows, like bay windows, are compound window systems typically consisting of either four, five, or six windows, all of which typically are operational. Bow windows are fashioned into a graceful arc or “bow” that provides expansive, almost panoramic vistas and copious sunlight.
Casement Windows
Casement windows are highly sought after among homeowners due to their sleek, streamlined appearance and simple crank operation. When opened, casement windows can catch breezes from almost any angle, and when closed they provide a tight seal against wind, water, and exterior noises.
Double Hung Windows
Combining cutting-edge technology with traditional architectural charm, double hung windows are among the most energy-efficient windows on the market. They also feature tilt-in sashes, which makes cleaning them a breeze.
Double Slider Windows
With sleek yet durable frames and easy-glide operation, our double slider windows are the perfect choice for any home, especially those with a modern vibe. These windows are incredibly energy efficient and tend to last longer than other window styles as they feature fewer moving parts.
Picture Windows
Make the most of the world around you with one of our spectacular picture windows. Without muntins or meeting rails to get in the way, our picture windows offer broad, unobstructed views that will have you gazing for hours on end.
Awning Windows
Awning windows require little to no leverage to open, making them particularly ideal for hard-to-reach places like stairwells, above appliances, or higher up on a wall. Awning windows open with a crank handle, pivoting outward from the bottom, to create an awning-like effect that allows for ventilation even during light rainstorms.
Round Top Windows
If you want something a bit different, our round top windows are the perfect way to add a touch of personal character to your home. Add just one strategically placed accent window to give your home a focal point or pair them with other window styles to create a unique architectural aesthetic.
Hopper Windows
Hopper windows are hinged along the bottom and tilt inward to open, much like an inverted awning window. They are most commonly installed in basements, where their unique design helps to keep out dirt and debris while letting in much-needed fresh air and natural light.

Update Your Home in Southwestern Ontario with High-Performing Vinyl Replacement Windows

Did you know that nearly one-third of your home’s AC/heat usage is due to heat transfer through your windows? And if your windows are drafty or cracked, this number could be much higher. The best way to make your home more energy efficient is to have high-performing replacement windows installed, and if you live in the Southwestern Ontario area, the best company to contact for window replacement services is Sentry Windows & Doors.

Canadian-Made Replacement Windows, From Our Family to Yours

Sentry is a local, family-owned and -operated company committed to helping families in Southwestern Ontario improve the beauty, comfort, and energy efficiency of their homes by providing top-of-the-line replacement windows. We proudly manufacture our windows right here in Canada, using 100-percent virgin PVC. This material use results in a stronger and longer-lasting window compared to most others on the market, many of which are made using recycled materials and tend to chalk and fade over time.

Furthermore, our proprietary vinyl replacement windows are equipped with insulated frames and ENERGY STAR® certified Low-E glass, making them extremely energy efficient. Not only will our windows keep your family more comfortable by helping your home maintain a consistent interior temperature all year-round, but your monthly heating and cooling costs may also go down as a result.

We manufacture a full range of window styles to suit a variety of needs and preferences, including:

  • Awning
  • Bay
  • Bow
  • Casement
  • Double hung
  • Double slider
  • Hopper
  • Picture
  • Custom shapes

Partner with the Guardians of Family Comfort for Window Replacement

In order to get the most benefit from a home window replacement project, proper installation is extremely important. Here at Sentry, all of our installers are Window Wise™ certified and have received extensive company training. Not only are they qualified to install our vinyl replacement windows, but they will do so with the utmost expertise and attention to detail. Our window installers will also treat your home with the care and respect it deserves, and will not consider the job complete until you are totally satisfied with your new windows. Plus, our no-nonsense, lifetime warranty is the best in the business and will provide you with all the peace of mind you need. And remember, we take no down payments and you pay nothing until your project is completed and you are 100 percent satisfied.

To learn more about updating your home with our high-performing vinyl replacement windows, contact Sentry Windows & Doors today. Or, feel free to stop by one of our showrooms, conveniently located in Windsor, Cambridge, Chatham, and London.

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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
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