Great Northern Insulation

Home Inspection
ON
Write a Review
Write a Review


InstagramFacebook
HomeStars
Home Inspection
Great Northern Insulation
Star Score
Learn more about how StarScore uses a complex algorithm which considers a company's review ratings, responsiveness, reputation, and recency.

92%

This is the average rating based on homeowner reviews.
This indicates how long it's been since the last review.
Indicates how well a pro reacts to reviews and review-related interactions with Homeowners.
How well a company responds to Service Requests and Reviews.
Reviews by rating (past 12 months)

Reviews for Great Northern Insulation

Average customer rating:
9.5 10 (881 reviews)

Sort by

Julia Erichsen from Toronto
Julia Erichsen from Toronto
1 review Toronto, ON
10/10

2nd Floor Renovation

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

everything was great. Your installers were terrific. They were early, which was good as I was not late for work and went over everything with me and were in the process of covering everything in plastic when I left. I look forward to working with your company again when I insulate the other half of my upstairs. Thank you

Approximate cost of services:
$2,500.00
Was this review helpful?
Company Response

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

Chris
Chris
4 reviews Toronto, ON
8/10

Attic Insulation

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

We recently had Great Northern Insulation come in to our home they spray foamed our Attic flooring and also completed the blown-in insulation in the attic. Your staff and installers were Excellent! Thank you

Approximate cost of services:
$4,000.00
Was this review helpful?
Company Response

Thank you very much Chris for your feedback. we truly appreciate your business.
The team at Great Northern Insulation

Sudhakar from Toronto
Sudhakar from Toronto
1 review Toronto, ON
10/10

Attic Insulation

GNI came on time for the initial visit and gave an honest opinion on what needs to be done. They were the only ones to actually crawl into the attic to inspect. They did what they promised and did an excellent job. Would definitely recommend them.

Approximate cost of services:
$1,650.00
What could this company do to improve their services?
Any advice to offer fellow homeowners facing a similar project?
Was this review helpful?
Company Response

Hi Sudhakar,
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

John Salichuk from Warminster
John Salichuk from Warminster
1 review Waubaushene, ON
10/10

Insulate upper attics wrap basememnt

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

Great Northern Insulation recently completed a job for me and I just wanted to say "thanks" and what a great job they did! I am very happy with the job they completed!!! Workers were kind courteous and easy to communicate with 5 ***** rating.

Approximate cost of services:
$4,000.00
Was this review helpful?
Company Response

Thank you very much John 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

Rick Patton from Amherstburg
Rick Patton from Amherstburg
2 reviews Amherstburg, ON
8/10

Blown-In Insulation

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

Your guys doing the blown-in insulation did an equally as good job as your crew who did the spray foam insulation a few weeks ago at my home in Amherstburg..

Approximate cost of services:
$400.00
Was this review helpful?
Company Response

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

Carolyn St. Louis from Windsor
Carolyn St. Louis from Windsor
1 review Windsor, ON
10/10

Overhange and Crawlspace

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

My husband was super impressed with the guys that came to do the work. They were very professional and courteous. They took the time to show him what had been done and explain everything. We will be sure to refer you to anyone who asks. Thanks again.

Approximate cost of services:
$1,400.00
Was this review helpful?
Company Response

Hi there Carolyn,
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

Manoj
Manoj
10 reviews Vaughan, ON

First Review

10/10

Crawlspace

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

We recently had Great Northern Insulation come into our home and they spray foamed our crawlspace, everything was done perfectly and we were very satisfies with you customer service. Thank You

Approximate cost of services:
$750.00
Was this review helpful?
Company Response

Thank you very much Manoj 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

Rick Patton from Amherstburg
Rick Patton from Amherstburg
2 reviews Amherstburg, ON
8/10

Sunroom Spray Foamed

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

Your guys did an excellent job and I'm very pleased with the results. They took extra care to make sure the spray didn't cling to the PT posts and surrounding siding as well as the crushed stone ground. Job well done!

Approximate cost of services:
$1,695.00
Was this review helpful?
Company Response

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

Steve Foster from London
Steve Foster from London
1 review London, ON
10/10

One floor bungalow 2300 sq. ft

Assisted Review

An assisted review is collected by a contractor on behalf of the homeowner after their work is completed. The homeowner must confirm the text of the review and may make any changes she or he deems appropriate. The homeowner then assigns the contractor a review score out of 10. Assisted reviews receive the same scrutiny as other reviews and must follow our review guidelines.

I recently had my 2300 sq. ft.bungalow home reinsulated by Great Northern Insulation, The crew members who completed the work were very polite and well mannered and did a great job!

Approximate cost of services:
$1,250.00
Was this review helpful?
Company Response

Hi Steve,
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

Mark from Halton Hills
Mark from Halton Hills
6 reviews Acton, ON

First Review

10/10

Basement Insullation

Right from the start we were pleased with the service. Araon was our salesperson and he worked with us, so that we could get the work done within our budget and explained what would be done. Kristy in the appointment office was wonderful at working around our schdule and the guys that came and did the work were professional and arrived on time and cleaned up before they left. I would without hesitation recommend this company. Our basement is so warm now that we actually have to cover some of the heating vents. Great job by all

Approximate cost of services:
$2,300.00
Was this review helpful?
Company Response

Hi there Mark,
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

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.