Great Northern Insulation

Home Inspection
ON
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Great Northern Insulation
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94%

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Reviews for Great Northern Insulation

Average customer rating:
9.5 10 (861 reviews)

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E in North York
E in North York
7 reviews North York, ON
9/10

Attic Insulation

Fibreglass insulation blown into attic over existing insulation to achieve R50 value. Crew arrived on time and were very considerate, they worked well, explained what the process involved and cleaned up afterwards. Would definitely recommend Great Northern Insulation

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Company Response

Thank you for leaving us such a kind review E, we truly appreciate your business.
The team at Great Northern Insulation

Vil in Hamilton
Vil in Hamilton
3 reviews Hamilton, ON
10/10

Spray foam underside of cottage

Great Northern Insulation came to our cottage on Lake Erie to spray foam the underside of the house. The crew faced a nasty job. The outside temperature was -4C, the ground was frozen, and before they could spray they needed to remove old fiberglass insulation that housed a dead raccoon, a live raccoon, and a bee hive. The crew worked through the challenges with professionalism and diligence. We are very satisfied with the work completed and now find the cottage much, much warmer and not at all drafty as it was before. I would highly recommend Great Northern Insulation for a spray foam job....we are glad we had the work done. Thanks to the crew, and to Jason in scheduling who worked with us in getting the crew out when the weather co-operated.

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Company Response

Hi there Vil,
Thank you for your review, we’ll make sure to pass along your kind words to the team here at Great Northern Insulation. We are happy your home is more comfortable now,
Thanks again!
The team at Great Northern Insulation

Calvin in Oakville
Calvin in Oakville
3 reviews Oakville, ON
10/10

Attic insulation, sloped ceiling and vertical wall

The salesman, Aaron, answered all questions at the appraisal and later by e-mail; the team showed up on time, very professional and curteous, did a great job; the R62 insulation makes a big difference. Highly recommended. Thank you, Aaaron, Tim and Ben!

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Company Response

Hi Calvin,
Thank you very much for your thoughtful review. We are glad you are so happy with our crew’s work! We’ll be sure to pass along your note to our team.
The team at Great Northern Insulation

Jason
Jason
3 reviews Brampton, ON
10/10

Attic insulation Blown in.

The installers arrived on time and did there best to minimize mess and keep as much heat in the house as possible during the install (the install was during winter.)

While preparing the attic the installers noticed that at some point in the past that an animal had been nesting in the attic however but that it had apparently been cleaned up/kept out properly so I shouldn't worry to much.

Once complete they asked if I would like to inspect the work and assisted me in getting up the ladder to view the work. They then removed there equipment and cleaned up all of the loose insulation that happened to be around. The estimate was exactly on target as was the number of bales they expected to use.

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Company Response

Hi Jason,
Thank you very much for taking the time to write us a review, we really appreciate it. We’re glad you’ve enjoyed our services!
The team at Great Northern Insulation

Olivia in York
Olivia in York
5 reviews York, ON
10/10

Basement Insulation

We hired this company to insulate our basement. They were excellent. They arrived on time and were very professional. We had some concerns with a section and they returned and added more insulation to that section within a few days no questions asked. We would definitely hire them again in the future.

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Company Response

Hi Olivia,
Thank you very much for taking the time to write us a review, we really appreciate it. We’re glad you’ve enjoyed our services!
The team at Great Northern Insulation

Mary in Cranston
Mary in Cranston
3 reviews Hamilton, ON
10/10

Insulation Installation

We moved into a new home and called Great Northern Installation Services to insulate our home for us. We chose them because they were recommended to us by a close family friend. They did a great job and were very quick and clean. Overall, an excellent job!

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Company Response

Thank you very much Mary for choosing the team at Great Northern Insulation, and for taking the time to leave us such a great review. We are very grateful for your business.
The team at Great Northern Insulation

10/10

Header and attic insulation

We've now used Great Norhtern for insulation jobs on two houses; each time they have listened to our requests, carefully inspected the areas that required work, given us helpful advice, and even talked us out of getting some of the work done, as it would not be cost effective for us. Both times their quote was lower than most others, and when they arrived to do the job they were courteous, quick and tidy. They were excellent, and I would fully recommend them.

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Company Response

Thank you very much Peter for choosing the team at Great Northern Insulation, and for taking the time to leave us such a great review. We are very grateful for your business.
The team at Great Northern Insulation

Ron in North York
Ron in North York
13 reviews North York, ON
9/10

remove old material and install foam

We had fibreglass batts as insulation and it was becoming a mess as a result of animal nesting and genrally poor installtion. We hired GNI to remove the old insulation and install polyurethane foam. They were recommended by a competitor who doesn't have the equipement for this type of job as there are lots of irregualr surfaces. They removed a lot of materials that the fibreglass was behind and installed the foam carefully and precisely and cleaned up the old material. However, they ripped apart many surfaces and as a policy left them open with removed materials in a pile - which the salesman had not expected to happen. We had it repaired and things now are fine.

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Company Response

Hi there Ron,
Thank you for your awesome review for our services. We apologize for any inconsistencies in our work. We are glad the issue was resolved though.
The team at Great Northern Insulation

Sandy M-C in Toronto
Sandy M-C in Toronto
3 reviews Toronto, ON
10/10

Attic Insulation

We've recently had our attic insulated through GNI and are very impressed with the overall quality of service and product. Peter has been exceptional at answering all of the many questions we had about insulation and GNI's product. The young men that came to do the work were very professional. I highly recommend GNI!

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Company Response

Hi there Sandy,
Thank you for your awesome review for our services. We glad we could help make your home as comfortable as possible.
The team at Great Northern Insulation

The reviews on this page are the subjective opinion of the Author and not of HomeStars Inc.

More about Great Northern Insulation

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. Proudly serving all of Southern Ontario, we are Ontario's largest insulation company and are Energy Star and Foam Masters™ certified. Get in touch for a Free In-Home Assessment—contact us today to learn more.

CATEGORIES
Home Inspection, General Contractors, Renovation Advisors, and Insulation
PRODUCTS
✓ Spray Foam (1/2 lb open cell) ✓ HFO Spray Foam (2 lb closed cell), ✓ Cellulose (Blown and dense-pack) ✓ Fibreglass (Batts, blown and blanket wrap) ✓ Mineral Wool (Batts) ✓ Hemp (Batts)
SERVICES
We install insulation throughout the home: ✓ Attic Insulation ✓ Walls Insulation ✓ Basement Insulation ✓ Crawlspace Insulation ✓ Garage Insulation ✓ Floors Insulation
BRANDS
We offer high performance, brand name insulation backed by third party warranties. Our certified installers are professionally trained to install all types of insulation.
SPECIALITIES
Spray Foam Insulation, Blown Fibre Insulation, Air Barriers, Old Insulation Removal, Air Sealing & Draft Proofing, Fire Protection, Batts & Vapour Barriers, Specialty Coatings, Soundproofing, Thermal Barrier, Under Slab Insulation.
WEBSITE
https://www.gni.ca/
YEAR ESTABLISHED
1980
NUMBER OF EMPLOYEES
300
LIABILITY INSURANCE
Yes
WORKERS COMPENSATION
Yes
WRITTEN CONTRACT
Yes
WARRANTY TERMS
https://www.gni.ca/about/service-commitment-great-northern-insulation
Company profile information is not moderated by HomeStars. Ask the contractor to verify before hiring.