Great Northern Insulation

Insulation
ON
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Insulation
Great Northern Insulation
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94%

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Reviews for Great Northern Insulation

Average customer rating:
9.5 10 (930 reviews)

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Private User
Private User
Private User reviews Fort Erie, ON
10/10

Attic insulation

Insulation review in Fort Erie

Gracie and Harpreet did a great job and were very professional, even making sure any mess was completely cleaned up

Approximate cost of services:
$1,000,000.00
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Company Response

Thank you so much for this 10-star review. We really appreciate you being our customer and are glad we were able to meet your expectations!

Private User
Private User
Private User reviews Thorold, ON
10/10

Insulation

Insulation review in Thorold

Cleon and Anthony were here today and they did a great job! Professional, courteous, efficient and friendly. They cleaned up after and the insulation looks great! Thank you!!

Approximate cost of services:
$1.00
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Company Response

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

Nadine
Nadine
1 review Kanata, ON
8/10

Attic Insulation has made this summer bearable

Insulation review in Kanata

I had an asbestos scare and I felt terrible for the men who noticed it in case they were exposed, however, they were very professional and came back once the coast was clear! Thanks Manpreet, Navjot, and Parminder for your fine service and excellent efficiency with my attic insulation job on one of the hottest days of the summer. 32 degrees! We are all cooler here now.
Nadine

Approximate cost of services:
$2,000.00
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Company Response

Thank you for leaving us such a kind review Nadine, we truly appreciate your business.

Kris in burlington
Kris in burlington
4 reviews Burlington, ON
10/10

Attic insulation

Insulation review in Burlington

Great experience from start to finish. Provided photos of the space and walked through all possible options. Within 24 hours of accept quote , appointment was scheduled on a day that worked for me. Install team did a great job in set up and clean up.

Approximate cost of services:
$1,600.00
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Company Response

Thank you very much Kris for choosing the team at Great Northern Insulation, and for taking the time to share your feedback with us. It means so much when our best customers share their experiences. We are very grateful for your business, and we'll be sure to pass along your kind words to the team.

Private User
Private User
Private User reviews Ottawa, ON
10/10

Additional attic insulation

Insulation review in Ottawa

I was very pleased with the service provided by Great Northern Insulation in Nepean, ON. The service providers, Manpreet and Charnjit, were efficient, knowledgeable, tidy, and did an overall great job. Likewise, the sales rep, Harley, was knowledgeable and booked things quickly. I would definitely recommend GNI Nepean.

Approximate cost of services:
$2,500.00
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Company Response

Thank you for taking the time to leave us a review! We're thrilled that you had such a great experience with our installers at our Nepean branch. We hope you notice an improvement in your home comfort and energy efficiency!

Private User
Private User
Private User reviews Markham, ON
3/10

Poor Customer Service

Markham

I chose Great Northern based on the reviews I had seen online. Unfortunately, we made a mistake - this is the only contractor I have ever hired that I regret choosing.

The customer service is terrible. It seems to be a big organization that works in silos. The only bright spot was the sales representative - he was knowledgeable and thorough.

Approximate cost of services:
$2,500.00
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Company Response

Thank you for taking the time to review our services, despite the fact that overall we did not meet your expectations. We'd like to investigate your issues further but are unable to do so without a customer name or contact information - if we are able to assist, please feel free to contact us at customerservice@gni.ca or 1-800-265-1914.

Private User
Private User
Private User reviews Mississauga, ON
10/10

Attic Insulation

Insulation review in Mississauga

We had our Attic Insulated by Great Northern Insulation (Milton) and we were very impressed by the Professional and hard working team that did the job!
Gurvir, Jermain and Zeki were very knowledgeable and made sure that we were satisfied before they left.
Zeki explained the type of insulation used the benefits and Gurvir showed us before and after photos and explained what the job entailed.
Excellent Team!

Approximate cost of services:
$3,500.00
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Company Response

Thank you very much for your review! We're glad to hear that your installation team met or exceeded your expectations. Thanks again!

Diane in Dartmouth
Diane in Dartmouth
0 reviews Ottawa, ON
2/10

Spray foam bay windows

Windows & Doors Installation & Service review in Ottawa

GNI spray foamed the basement headers and bay windows. They had to come back as the window installer noticed insufficient thickness in spray foam. Even with this return, the rooms are colder than before with drafts! Very disappointed with the quality of this work!!

Approximate cost of services:
$4,500.00
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Lane75
Lane75
2 reviews Hamilton, ON
10/10

Entire first floor and attic space spray foamed

Insulation review in Hamilton

Everything exactly as described and timed out. Very clean service not a crap of debris left on site. Will deal with again for my basement.

Approximate cost of services:
$9,000.00
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Company Response

Lane, thank you very much for taking the time to leave us your review!

Jacques Carrier in Toronto
Jacques Carrier in Toronto
2 reviews Hamilton, ON
10/10

Basement Insulation

Insulation review in Hamilton

Thanks to Tom and Jerrod for a superb job on installing insulation in a section of our basement. The work was high quality and completed on schedule. We would highly recommend this team and company to meet your insulation needs if you are seeking full satisfaction. Excellent job! Merci beaucoup. Jacques and Sharon Carrier

Approximate cost of services:
$1,750.00
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Company Response

Jacques and Sharon, thank you for taking the time to leave us this great review! We're glad you had such a great experience with our installation team and will be sure to pass along your kind words to Tom & Jerrod.

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.