Barrie: 705-737-1554 Newmarket: 905-895-1554 Parry Sound: 705-325-6242 Vaughan: 905-836-1554
Voted #1 Windows & Doors company since 1999
Toll-free: 1-800-841-7469


Alliston’s Source for Window and Door Installation

If you live in Alliston or surrounding areas and need replacement windows or doors, our professional team will give you expert assistance every step of the way. At Kempenfelt Windows and Doors, our technicians will provide you with the option that works for you and your budget. As an added convenience, we will come directly to your home for a consultation.

Why Choose Kempenfelt Windows & Doors?

The professionals at Kempenfelt Windows and Doors take pride in providing industry-leading products at an affordable price. For 25 years, we have supplied residents of Alliston with the highest quality products backed by award-winning services they can trust.

Our experience allows us to replace or repair your windows and doors, quickly and efficiently. After the initial consultation, we will provide you with custom recommendations that are tailored to your budget or taste. It is our commitment to service that makes us the premier window and door company in Alliston.

What Sets Us Apart?

At Kempenfelt Windows and Doors, we strive to offer more than just exceptional products. We are committed to making sure that each customer is completely satisfied with our services. Our team of professionals will take the time to listen and understand your needs before recommending a solution. In addition, we offer a wide range of options in terms of materials, styles, and colours so you can find the perfect windows or doors to fit your home.

Our Showrooms in Barrie & Newmarket

When it comes to a big purchase for your home, sometimes you need to see it in person before making the decision. Our showrooms in Barrie and Newmarket are the perfect place to see our products firsthand. We will bring your dreams to life through our experienced staff, who can help you pick out the ideal windows or doors for your home.

Our Awards

Kempenfelt Windows & Doors take pride that we have not only been nominated for multiple Reader’s Choice Awards but have won for 24 years in many of our service areas, including Alliston.

Voted Alliston’s Favourite
Window & Door Company!

Kempenfelt Windows

The windows you choose for your home are an important factor in determining the overall look and feel. At Kempenfelt Windows and Doors, we offer a variety of options to enhance both the aesthetics and energy efficiency of your home. Our team will help you select the perfect windows for your home based on your needs and budget.

Visit our online product page to see our different window designs.

Kempenfelt Doors

The entry door to your home should be sturdy and attractive. At Kempenfelt Windows and Doors, we offer a variety of doors that are sure to make an impression. We have options in terms of material, style, design, and colour, so you can find exactly what you’re looking for. Our technicians will work with you every step of the way to ensure that you get the perfect door for your home.

Visit our online product page to see our different door designs.

Kempenfelt Garage Doors

A beautiful garage door can instantly improve the curb appeal of your home. At Kempenfelt Windows and Doors, we work with GARAGA to provide you with the ideal garage door that will complement the style of your home. We offer a variety of material types and designs, so you can be sure to find the one that fits your needs.

Contact Us

If you are in the Alliston area and looking for replacement windows or doors, contact us today! We look forward to providing you with expert advice as well as superior products and services. Experience the difference, contact Kempenfelt Windows and Doors and arrange your FREE no hassle estimate today!


Barrie Showroom

92 Commerce Park Drive, Unit 1
Barrie, ON, L4N 8W8

Phone: 705-737-1554
Toll-Free: 1-800-841-7469

Tues-Fri : 9:00 AM – 5:00 PM
Sat : 9:00 AM – 3:00 PM

Our Barrie Showroom is open for walk-ins during regular hours.

If you are unable to visit during regular hours, contact us to book a private appointment at your preferred evening or weekend time.

Barrie Service Area

Kempenfelt Windows and Doors Barrie, proudly services Barrie, Alliston and Orillia


Let us know what you’re looking for, and we’ll get in touch to set up your appointment!

    BARRIE: 705-737-1554 NEWMARKET: 905-895-1554 VAUGHAN: 905-836-1554 TOLL FREE: 1-800-841-7469