Ontario’s Best Windows, Doors, and Garage Doors Solution
With a solid 30+ year reputation, Kempenfelt Windows & Doors is more than a windows and doors company – it’s a name you can trust. Our top-of-the-line, Canadian-made windows, doors, and garage doors are from the best brands in the industry, offering ultimate security, energy efficiency, and durability. Expertly installed and paired with our comprehensive 25-year transferable warranty, they’re an investment worth having.
Canadian-Owned Company | Canadian-Made | Factory-Direct Pricing | Industry-Leading, 25-Year Warranty


Professional Service In Simcoe County, York Region, Southern Georgian Bay, Parry Sound, and Muskoka
We’re committed to serving residents throughout Simcoe County and the surrounding regions, including Orangeville, Keswick, Vaughan, Parry Sound, and Muskoka.
We want you to feel confident in your choices, so we ensure you clearly understand our products’ features before selecting your custom options and finishes. Visit our showrooms in Barrie, Newmarket, or Parry Sound, where our team is eager to showcase our premium products and assist with any questions.
If you’re in Simcoe County, visit our modern, spacious showroom, fully renovated in 2025, to highlight our wide range of innovative, customizable products.




Our Full Selection of Customizable, Canadian-Made Products
Barrie
92 Commerce Park Drive, Unit 1
Barrie, Ontario
L4N 8W8
Hours of Operation:
Tue-Fri : 9:00 AM – 5:00 PM
Sat : 9:00 AM – 3:00 PM
Newmarket
569 Steven Court, Unit 6
Newmarket, Ontario
L3Y 6Z3
Hours of Operation:
Tue-Fri : 9:00 AM – 5:00 PM
Sat : 9:00 AM – 3:00 PM
Parry Sound
35 James Street
Parry Sound, Ontario
P2A 1T5
Hours of Operation:
By appointment only
Orilia & Wasaga Beach
92 Commerce Park Drive, Unit 1
Barrie, Ontario
L4N 8W8
Hours of Operation:
Tue-Fri : 9:00 AM – 5:00 PM
Sat : 9:00 AM – 3:00 PM
Why Hire Us for Window and Door Replacement in Simcoe County
- Over 30 years in business serving Simcoe County as the #1 Readers’ Choice windows and doors company
- Energy-efficient, Canadian-made windows and doors for residential properties across Central Ontario
- Factory-direct pricing on premium, Ontario-made windows and doors, with financing options
- Industry-leading, transferable, comprehensive 25-year warranty (with no fine print!)
We Make It | We Install It | We Warranty It
Ontario's highest rated, award winning Windows, Doors, and Garage Doors company.
We install almost 70,000 windows, entryway, patio, and garage doors every decade. Made by industry-leading brands, including Euro Vinyl Windows, Dorplex, GARAGA, and Vista, our high-quality products exceed Energy Star ratings, providing maximum return on investment. Enjoy energy savings, improved comfort, and long-lasting durability – all at factory-direct pricing. Plus, give your home a fresh look and boost its curb appeal!





Year-Round Installation, No Matter Your Location in Central Ontario
At Kempenfelt Windows & Doors, you don’t need to wait for optimal weather conditions to replace your windows and doors! Our year-round installation services ensure you get the upgrades you need when you need them the most – in spring, summer, fall, or winter.


Barrie’s Best Window and Door Company
Partnering our premium, custom-built products with our customer-first service gives you an experience like no other. But don’t just take our word for it – we have the recognition to prove it. We’ve earned the Readers’ Choice award every year since it began in 1999 and have been voted #1 multiple times by trusted awards such as Best in Barrie, Barrie Today, Top Choice, and Three Best Rated.
Get Your New Windows, Doors, and Garage Doors in Central Ontario!
Let us show you why we’re the #1 trusted choice for windows and doors in Barrie, Southern Georgian Bay, Parry Sound, Muskoka, and York Region! Contact us today to book your no-obligation, free estimate.