Need insulation upgraded or installed in your office, home, cottage or garage?

As Ontario’s largest professional insulation contractor, we can help.

Ontario's leading insulation contractor since 1980

• More than 40 years of experience
• Proudly serving all of Southern Ontario
• Professionally trained and certified installers
• Third party manufacturer warranties on products
• 100% Satisfaction Guarantee

Your questions, answered

What is an insulation contactor?

As Ontario’s largest insulation contractor, we work with homeowners and builders to plan and finish projects on-time and on-budget. We inspect, recommend, remove, and install insulation to improve indoor air quality, comfort, and energy efficiency. Our installers are fully insured and protected through WSIB to work safely in your home or jobsite. If you have more questions, just ask. We are here to answer all your insulation contracting questions.

Why is properly installed insulation important?

Improperly installed insulation can lead to damage, deterioration, and little to no impact on your comfort and summer cooling bills. Properly installed insulation increases the immediate and long-term performance of the product. Our experienced installers know how to increase your comfort and lower your energy bills – and keep it that way with insulation that lasts longer. Properly installed insulation can also help with ice damming, mould growth, and condensation.

Do you install drywall as well as insulation?

We work alongside drywall contractors to improve the performance of insulation in your walls. We can install a variety of insulation materials before drywall is installed. In select locations, we can also install cellulose insulation if your drywall has already been installed.

How much will my insulation project cost?

The cost of your insulation project is based on the type of insulation installed, the area being insulated, and the amount of insulation required. Our experts inspect existing insulation and the above criteria. You are then provided with a free, no obligation quote with a transparent breakdown of costs. We also help you take advantage of financing and any available rebates.

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Still have questions or ready to start your insulation project?

For over 40 years, we have helped Ontario homeowners and builders build safer, more energy efficient and sustainable communities. With a broad range of products and services, we are your insulation experts for existing home renovation upgrades and new residential home construction—satisfaction guaranteed.

We install insulation throughout the home

Professionally installed insulation will increase your energy efficiency, reduce your heating and cooling costs, regulate room temperature and improve noise pollution. Depending on your needs, we will install new, top up existing or remove old insulation.

Attics

Walls

Basements

Crawlspaces

Garages

Floors

We carry sustainable insulation products

At Great Northern Insulation, we seek out and install some of the most sustainable insulation products available. In Fall 2020, we became one of the first insulation companies to only install spray foam with zero ozone depletion potential and low global warming potential. We also install cellulose insulation that is locally manufactured using mostly recycled paper. Regardless of the insulation product you choose, insulation will help increase the energy efficiency of your home and reduce your carbon footprint.

More than insulation

Working with your general contractor, as a subcontractor or independently, consider us an extension of your building team. In addition to insulation expertise, we are also experts in:

Reliable and affordable products and installation

We offer high performance, brand name insulation backed by third party warranties. Our certified installers are professionally trained to install all types of insulation.

✓ Air Barriers ✓ Soundproofing ✓ Thermal Barrier ✓ Under Slab Insulation

Proudly Serving all
of Southern Ontario

→ Western Ontario

→ Southwestern Ontario

→ Muskoka, Haliburton, Northern Ontario

→ Central Ontario

→ GTA East

→ GTA & South Central Ontario

→ Eastern Ontario

→ Sarnia & Lambton

→ Niagara Region

See what our customers say...