Ottawa

Name: Great Northern Insulation
Telephone: 1-800-265-1914

Great Northern Insulation – Ottawa Branch

Address: 1035 Moodie Dr #1, Nepean, ON K2R 1H4
Telephone: 1-800-265-1914

Opening Hours: Mon-Fri 08:00-16:30

Areas Served: Ottawa, Gatineau, and Eastern Ontario

Comprehensive insulation and air sealing for residential and commercial markets, both new construction and retrofit upgrades.

Get a Quote from our Ottawa branch

Great Northern Insulation – Ottawa Branch

Our Ottawa, Ontario branch serves Ottawa and the rest of Eastern Ontario and is located a short drive away in Nepean. Originally founded in 1999 as Insultech Insulation, this branch became a part of the GNI Management Group Inc. family of companies in 2018. The branch is operated by its manager and original founder James, who manages a team of 26 employees operating more than a dozen production vehicles. In 2021, our Ottawa branch introduced a dedicated Production Supervisor in order to better serve the industrial, commercial, and institutional markets.

Our Ottawa location serves the entirety of Ottawa and the surrounding area, including Kanata, Gatineau, Kemptville, Arnprior. We also service Petawawa to Hawkesbury, Cornwall and Kingston - and everything inbetween!

For homeowners in the Ottawa region, improving your home’s energy efficiency and decreasing heating and cooling costs follows a simple process:

Free Assessment

Book a free assessment from our Ottawa team with either an in-home or virtual estimate to learn about energy-efficient insulation upgrades and potential rebate opportunities.

Get a Quote

Our quotes are always transparent, free, and carry no obligation. We’ll be sure to outline every aspect of your upgrade, including parts other contractors may miss, like attic ventilation and insulation around the hatch.

Complete Your Upgrades

Once you’ve decided to move forward with your work, our team will schedule an installation date - and our crew that have been upgrading buildings in the Ottawa area for more than 20 years will carry out your work.

Get a Quote from our Ottawa branch

Why Great Northern Insulation for your Ottawa insulation upgrades?

If you haven’t heard of Great Northern Insulation before, we’ve been Ontario’s leading insulation contractor since our foundation in 1980. Headquartered in Woodstock, Ontario, but with branches across the entire province, we operate under a single mission: to provide homeowners and builders with the products and services they need to help reduce their carbon footprint and build safer, more energy-efficient and sustainable communities.

Customer Promise

Our work is completed with a satisfaction guarantee. If you are not satisfied with work we’ve completed, we will perform an audit and carry out repairs or upgrades to ensure it meets the signed quote – at no additional cost to you.

Product Warranties

We only work with products from industry-leading manufacturers. Every product installed by Great Northern Insulation is fully warranted by its manufacturer, and we are always working to ensure we offer the best quality products on the market.

Professional Crews

All GNI crews are trained to ensure a safe, professional installation in your home. We lead the way with employee benefits, too: all employees receive RRSP matching opportunities, competitive pay, health and dental benefits, educational assistance with tuition reimbursement, and more.

Services We Offer

Proper insulation plays a large role in energy efficiency and sustainability for homeowners and businesses in Ottawa, Ontario. Great Northern Insulation offers a comprehensive range of insulation services installed by local, trained professionals. We offer various insulation types, including the eco-friendly option of cellulose, which is particularly effective for attic insulation. Alongside cellulose, we also provide advanced solutions like spray foam insulation, which offers very high insulative value as well as moisture barrier qualities. These services are designed not just to enhance the comfort of your property, but also to contribute to long-term energy savings and improved indoor air quality. By completing a free assessment with Great Northern Insulation and installing energy-efficient upgrades, such as cellulose for attics and spray foam insulation for walls, basement rim joists, or more, our Ottawa location helps home and business owners significantly improve their home's energy efficiency and reduce their environmental impact.

Below are just a few highlight services available at our Ottawa branch. Reach out to us for a free assessment and a tailored strategy for your needs!

Attic Insulation

For most homeowners, attic insulation is a home improvement that is very often underestimated.

Learn More

Spray Foam Insulation

Spray foam insulation is widely recognized as the most versatile insulating product on the market today.

Learn More

Basement Insulation

With Basement Insulation There Are: No More Drafts Or Cold Temperatures, Just A Comfortable Living Space.

Learn More

View all Residential Services View all Commercial Services

Proudly Serving all of Southern Ontario

Great Northern Insulation - Better Business Bureau Profile.

Best of 2021

HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2021.

Best of 2022

HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2022.

GNI is the Authorized & Trusted Insulation and Air Sealing Installer for Lowe’s

Over 40 Years in Business

At GNI, we service your project with the most experienced staff in the industry. Ongoing professional development is an obsession at GNI and we will not compromise at any level to bring to our customers the very best Installers, Sales Representatives, Customer Care Personnel, Field Superintendents, Estimating and Technical Support to your project.

100% Canadian

Great Northern Insulation is recognized as Canada's largest full-service insulation contractor. GNI is 100% Canadian owned, proudly serving Ontario customers since 1980.

Do it right the first time
- with foam masters^TM

January, 2021 regulatory phaseout of hydrofluorocarbons (HFCs) with the introduction of WALLTITE CM01. Using hydrofluorolefins (HFOs) with lower global warming potential (GWP) compared to HFCs, WALLTITE CM01 is the next generation of spray foam insulation.

Huntsman HEATLOK® SOYA HFO™

Heatlok® Soya HFOTM leverages Honeywell’s latest Solstice® Liquid Blowing Agent technology. This new hydrofluoroolefin (HFO) blowing agent is the most environmentally conscious blowing agent produced to date, with a zero ozone depletion potential (ODP) and a global warming potential (GWP) of 1, which is more than two orders of magnitude (99.9%) lower than HFCs used in this industry.

3M^TM products.
Quality + Performance = Savings

3M^TM energy-saving products are designed to keep warm air in, and cold air out, while keeping energy bills down. Products optimize energy efficiency in buildings and homes; improve indoor environment for occupants; and effect the reduction of seasonal energy costs. 3M products are authorized for LEED credits (Leadership in Energy/Environmental Design).

Holmes and Holmes

Mike Holmes and his son Mike Jr. (MJ) convert MJ’s bachelor bungalow into a two-storey home for MJ and his girlfriend Lisa. Choosing the newest materials and build techniques, the father and son team follow Mike’s famous motto – “Make it right.” The show can be watched on HGTV and DIY Network.

Enbridge Incentives

The Home Efficiency Rebate Plus program offers up to $10,000 in home reno rebates – and Great Northern Insulation can pave the way.

Great Northern Insulation proudly abides by a renovation-specific Code of Conduct set by RenoMark™.

We are Verified & Bonded by eRenovate. When you choose to proceed with our services through their platform, you receive the gaurantees set forth through their program.

The GNI crew have been featured installing insulation on Love It or List It - have you seen our logo in an episode?

Climatizer

CLIMATIZER PLUS cellulose insulation is manufactured from a minimum of 85% locally-sourced post-consumer recycled newsprint. Non-toxic additives are applied to the uniquely fiberized paper generating a building material with superior thermal and acoustic properties, as well as exceptional resistance to fire, moisture, mould and pests.

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