Elevate Your Home With Harrow Doors and Windows

Your Professionals In The Harrow Area

Real People. Real Results.

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Known for its small-town charm, rich farmland, and Lake Erie shoreline, Harrow is one of Ontario’s hidden gems—and the homes here deserve quality doors and Windows built to last. At Precision Doors & Windows, we supply and install custom-built Entry Doors, storm doors, energy-efficient Windows, and Garage Doors, all designed to meet the needs of Harrow homeowners.

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Tired of cold drafts, rising energy costs, and outdated designs?

We get it!

Whether you’re fixing up a heritage home near downtown or upgrading your lakefront property, we’re your trusted local team for Harrow doors and Windows that combine style, performance, and long-term value.

Why Harrow Homeowners Trust Our Windows and Doors

Designed With Purpose, Built To Perform

At Precision, we don’t cut corners. Our Harrow doors and Windows are built right here in Southwestern Ontario with the needs of local homeowners in mind. From unpredictable lake winds to freezing winters, we’ve designed every product to stand up to the elements—and look good doing it.

Locally Built: Harrow Doors and Windows

🇨🇦 In-House Manufacturing, Superior Results

We manufacture our own doors and install Windows from DEL, a trusted Ontario supplier. By keeping things close to home, we deliver better quality control, faster service, and expert craftsmanship for your Harrow property.

What Makes It Better:

Made for Local Weather

Strong winds and shifting temps? No problem.

Personalized Looks

Choose the design, finish, and features you want.

Tight Security

Durable frames and locking systems to protect your home.

Local Support

We’re based nearby, and we’re always just a call away.

Energy Efficiency

Lower utility bills thanks to top-tier insulation and precise installation.

Custom Aesthetic

Choose from woodgrain, smooth panels, glass inserts, and more.

Home Security

Reinforced Entry Doors and heavy-duty hardware protect what matters.

Proudly Local

Our Cottam Window and door installation team is part of your community.

Exterior Doors That Impress

Built for Style, Security, and Sustainability

Precision Entry Doors and storm doors add beauty and efficiency to homes throughout Harrow. Whether you’re looking to boost curb appeal or reduce drafts, our custom door options are built to handle real Ontario weather and reflect your personal taste.

Benefits of Our Exterior Doors:

Year Limited Warranty

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Colours & Styles to Choose From

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More Steel Reinforcement.

3¼”

Welded Frame

High Performance

Windows That Keep You Comfortable

Built to Withstand Ontario’s Climate

Windows matter more than most people realize—especially in Harrow’s varied climate. Our energy-efficient Window installations help control your indoor environment, cut energy bills, and bring more light into your space.

What to Expect:

Heavy Duty Steel

WeatherLock System

Garage Doors Garage Doors That Work and Wow

Functionality Meets Style

Harrow’s garages need doors that stand up to the elements while elevating your property’s look. Precision installs Canadian-made Garage Doors from Garex and Steel-Craft—brands trusted across the country for their performance and style.

Garage Door Highlights:

Proudly Serving the Harrow Community

Whether you’re near King Street, the marina, or the backroads of wine country, we serve all of Harrow and the surrounding rural areas. Precision is proud to offer honest pricing, excellent service, and high-performance products made for our region.

The Precision Advantage

Built Local. Installed Right. Guaranteed to Last.

Southwestern Ontario Made

Locally built for local homes.

Skilled Installation Crews

Professional, clean, and efficient.

Weather-Resistant Solutions

Built to endure and outperform.

Community-Trusted

Harrow homeowners come back to us project after project.

Make Your Harrow Home Exceptional

Precision brings experience, quality, and local know-how to every Harrow home we visit. If you’re ready to replace outdated doors and Windows or planning your dream home, we’re ready to help—starting with a no-obligation quote.

Customer Testimonials

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"We recently needed some new Windows installed in our home so we got in touch with Precision Doors and had them come out to give us a quote. Abe was very friendly and easy to deal with. The price and timing were fantastic and the staff was quick to reply with any questions we had. We would fully recommend Precision Doors for all your Window and Door needs."

"Great place for your Window and door needs. Good quality fibreglass woodgrain doors also available . Installation was also done professionally. Highly recommend. You have to check out there beautiful showroom."

"I couldn’t be happier with the results. The two installers were professional, friendly, and clearly skilled at what they do. They arrived right on time, worked efficiently, and paid great attention to detail throughout the installation. They made sure everything was level, sealed properly, and even cleaned up thoroughly before leaving. Overall, the whole process was stress-free and well done from start to finish."

"Excellent experience including in-home design & planning with Abe for our replacement door. A small order treated with the utmost of care from start to finish. Excellent & meticulous installation led by David. We highly recommend Precision Doors Inc. & will definitely return for future needs."

"We were in a bind and needed new Garage Doors right away. Abe from Precision Doors came the next day to offer an estimate and followed up with an excellent offer for two new Garage Doors. They were professional and their work was excellent. I would highly recommend this company."

"The owner initially came to the house to give us a quote, he was very knowledgeable and friendly. The Windows came in on time as promised and the two young gentlemen completing the install were so proficient and worked quickly. Installed 3 Windows and our front door in a day and a half. They cleaned up after themselves and even shoveled snow off our front walkway. We have had numerous compliments on the new look of our house."

"Abe and team were amazing. Random dog walkers constantly complement their work and our new door. Not only are the competitive with their pricing but after install their service is awesome as well. Highly recommend them. They are local so if you are looking for a new door give them a call. See our old red door and our new custom grey door. Our entrance is way brighter we love it. Thanks again Abe!"

"Precision Doors did an excellent job at my house with all the doors and Windows. Great to deal with. Quality is great. Good job."

"These guys did an amazing job! I did my front door and Garage Door, everything was done quickly, installed in one day. The doors look fantastic, and the price was really reasonable. It was also a really easy process to pick the doors out, the customer service was incredible. If you need doors I would highly recommend reaching out to this company."

"Abe, the owner, was Very pleasant to work with. He did not try to upsell something we did not need. His honesty was very much appreciated and saved us a lot of money. We had installed a new door handle with a keypad, for our retrofitted door. It didn’t work right away with the door alignment. Abe came right away and made the appropriate adjustment. Now the door locks perfectly. The men working were efficient, and careful. They cleaned up after themselves, as well."

Our Trusted Partners

From DEL’s energy-efficient Windows to high-performance Garage Doors by Garex and Steel-Craft, we use only the best. Your Harrow home deserves nothing less.