More than half of homes in Ontario were constructed before the year 2000 and have attic insulation well below current-day building code. A top-up or removal and fresh install to R-60 will improve whole-home comfort and reduce energy costs year-round.

Introducing the Home Efficiency Rebate Plus program.

Ontario's leading insulation company since 1980.

Find out how your home could benefit from upgraded insulation, and what rebates you qualify for with a free, no-obligation assessment.

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Great Northern Insulation has been serving all of Southern Ontario for more than 40 years.

Founded in Woodstock, we've grown to over 9 locations throughout Ontario to serve you locally.

Our installers are professionally trained and certified, and we only use top-of-the-line products backed by third-party manufacturer warranties.

Locally operated.

Certified installers you can trust. Guaranteed.

Improve home comfort with Great Northern Insulation and save on costs with available rebates - we can help you find out how you might qualify for a majority of your upgrade costs back in rebates!

Upgrade insulation and get up to $10,000 back in rebates.

Attic - Up to $2,350 back

Launched in January 2023, this rebate program offers the best rebates available. Only one upgrade is required to qualified, and if you're an Enbridge Gas customer you can qualify for even larger rebate amounts. Here are the most common upgrades for Ontario homes:

Adding insulation to the basement walls not only makes the space more comfortable, it helps regulate temperature throughout the entire home. For houses with crawlspace areas, rebates of up to $1,700 are also available.

Basement - Up to $2,000 back

Get an additional $325 back for insulating your basement headers, which are one of the most overlooked areas of the home for insulation but have a huge impact on energy efficiency.

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