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Trust our professional insulation services to close all cold spots efficiently!

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Keeping Families and Their Homes Comfortable for 30 Years

Professional Insulation Contractors in Harrow, ON


Keep your house cool in summer, warm in winter, and energy-efficient all year around with our effective home insulation solutions. At Zavaros Insulation, we stand proud of what we do, and use our best efforts to produce work that you appreciate.

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Service Area


Windsor and surrounding areas, Essex and Kent County.

Insulate to Improve Your Home’s Comfort and Efficiency


Are your home’s mounting utility bills burning a hole in your pocket? Chances are that the outside weather is sneaking inside and sabotaging your HVAC’s ability to regulate your indoor climate. Zavaros Insulation provides whole-home insulation services in Windsor and surrounding areas, as well as in Essex and Kent Counties. Our quality insulation materials, combined with our professional installation techniques, efficiently seal all air gaps in your attics, crawlspaces, walls, windows, and doors. Upgrading the insulation not only provides you with instant energy savings but also helps create a consistent indoor climate, adding to your home’s comfort and value significantly.

We Are More than Just an Insulation Company


Aside from installing insulation in both new and old homes, Zavaros Insulation does a lot more. Our spectrum of home improvement services includes selling and installing energy-efficient windows and sidings as well as waterproofing basements and foundations. We also provide professional care to your steps, porches, driveways, and other blacktop surfaces through concrete leveling and mudjacking. Our complete-home improvement package involves inspecting and identifying problem areas and customizing the right mix of services that fit your needs and budget.

Mould In Your Basement?


Get professional waterproofing service at discounted rates!

Enquire About Grants

Making a Difference, One Home at a Time


At Zavaros Insulation, we cater to the needs of all types of old and new homes. We also partner with property managers to help them enhance the comfort and energy efficiency of commercial buildings. Our professionals are available around the clock to handle all your urgent property improvement needs in Windsor and surrounding areas, as well as in Essex and Kent Counties.

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Fast, 24/7 Assistance


Want us to urgently deal with your wet basement problems? Count on us at Zavaros Insulation to insulate your property with premium insulation products. We will work around the clock to finish the job in the shortest time possible.

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On-Location Estimates


Wondering whether you should re-insulate your entire home? No matter the size of the job, our professional contractors will come to your location and provide a detailed estimate on your project with no obligations attached.

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Code-compliant Workmanship


When it comes to your family’s safety and comfort, do not settle for less! We are relentless in delivering quality products and workmanship that comply with all the current industry regulations. You can count on our workmanship skills to ensure your safety, peace of mind, and a job done correctly the first time!

Check out the Reviews from Our past Customers


Happy with your work

“Zavaros Insulation on my mom’s house. I couldn’t be more happy with the final project”


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