Great Northern Insulation

Insulation
ON
Write a Review
Write a Review
Website
HomeStars
Insulation
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.

94%

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)
Verified by HomeStars
Write a Review

Reviews for Great Northern Insulation

Average customer rating:
9.5 10 (926 reviews)

Sort by

Private User
Private User
Private User reviews Woodstock, ON
10/10

attic insulation

Insulation review in Woodstock

Shawn and Dave were the 2 that came,very pleasant.Arrived on time.When the work was finished they showed what they did.The 2 seemed to know there work and got the job done quick and good.

Approximate cost of services:
$781.00
1 of 1 people found this review helpful.
Was this review helpful?
Company Response

Thank you so much for your review! We are so thrilled to hear that you had such a pleasant experience with our team! Thank you so much for choosing Great Northern Insulation!

GBCCUSTOMGUITARS in
GBCCUSTOMGUITARS in
1 review Tilbury, ON
10/10

Attic Insulation blown in cellulose

Insulation review in Tilbury

John and Matt came and completed project in super fast and professional manner, very polite and cleaned all residue after finishing. Would highly recommend GNI. Had minor problem in beginning but managers and crew found solution compatible to all . Great JOB guys. Will call you when ready to do crawl space. Trust me if you need insulation don't try doing it yourself - call these guys - and make life simpler for yourself. Brian C.

Approximate cost of services:
$1,500.00
Was this review helpful?
Company Response

Thank you so much for your kind words! We are thrilled to hear that we were able to meet your expectations. Here at GNI, customer service is our number 1 priority and we are happy to hear that you were able to witness that first hand. Thank you so much for choosing Great Northern Insulation!

M Chitiz in
M Chitiz in
2 reviews Markham, ON
10/10

Attic Isulation

Insulation review in Markham

Derek and Shay come to insulate my attic as my bedroom was very cold in the winter and extremely hot in the summer. They were both very friendly and polite and explained what they were doing fully.
I immediately felt the difference as the temperature in my bedroom rose to a comfortable level. I am looking forward to a cooler room in the summer.
Thanking you.
Michelle Chitiz

Approximate cost of services:
$1,500.00
Was this review helpful?
Company Response

Thank you so much for your review, Michelle! We are so happy to hear that you had such a great experience with our team - and that you are already noticing a difference! Just wait until you start noticing your savings! Thank you so much for choosing Great Northern Insulation!

Marcel potvin in Ottawa
Marcel potvin in Ottawa
1 review Collingwood, ON
10/10

Attic insulation

Insulation review in Collingwood

Workers were prompt and courteous .work was completed as per agreement. They gave me good advice as to what to do pursue the to their work Overall I was very. Satisfied.

Approximate cost of services:
$1,300.01
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

Thank you so much for your review, Marcel! We are so happy to hear that we were able to meet your expectations! Thank you so much for choosing Great Northern Insulation.

Joseph in
Joseph in
1 review Midland, ON
10/10

basement sprayfoam insulation installed.

Insulation review in Midland

nice people to deal with. The estimate was accurate and the job done quickly and clean. I would recommend this company to anyone in need of their product. This fixed the problem I had with sweating of fibreglass and the vapor barrier . ( concrete and plastic do not mix !!)

Approximate cost of services:
$1,700.00
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

Thank you so much for your review, Joseph! We are so pleased to hear that you had such an excellent experience with our team and we were able to fix the problem you were having. Thank you for choosing Great Northern Insulation!

SAMUEL from Etobicoke
SAMUEL from Etobicoke
4 reviews Mississauga, ON
10/10

Attic foam insulation

Insulation review in Mississauga

2 crews worked on the project . One to remove the old insulation and finalize, the other was only to spray the foam over. Both crews did an awesome job and left the house as clean as it can be. They removed all what they could prior to leaving., It is a highly professional work that I will recommend to anyone that needs insualtion.

Approximate cost of services:
$3,700.00
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

Thank you so much for your review, Samuel! We are so pleased to hear that you had such an excellent experience with our team! Thank you for much for choosing Great Northern Insulation!

NOTNOW in
NOTNOW in
1 review Brampton, ON
10/10

Attic Insulation

Insulation review in Brampton

Sales person Alana was knowledgeable and professional. Installers were prompt, professional and work was completed as quoted. I have already recommended this company to a friend and will recommend to others.

Approximate cost of services:
$1,180.00
Was this review helpful?
Company Response

Thank you so much for the great review! We are so pleased to hear that we were able to meet your expectations. Here at GNI, customer service is our number 1 priority and we are thrilled to see that you were able to witness it first hand. Thank you for choosing Great Northern Insulation!

Private User
Private User
Private User reviews King City, ON
10/10

Insulting floor

Floor Laying & Refinishing review in King City

Service was excellent. Price more than competitive. Kelly was the individual who scheduled job of your Gravenhurst office.
Work done for Wingberry Farms on schedule and on time.
Would recommend Northern Insulation any time and use their products and services again.
Harry

Approximate cost of services:
$2,600.00
Was this review helpful?
Company Response

Thank you so much for the fantastic review! We are so pleased to hear that you has such an excellent experience with our team! Thank you so much for choosing Great Northern Insulation!

Lancaster Custom Cabinets & Closets Inc.
10/10

Insulation Services

Insulation review in

We contracted Northern Insulation to spray foam various areas in our newly acquired home in Tottenham and it was the best decision we ever made. Northern Insulation was a pleasure to deal with from the moment Alana Cooper visited our home. She gave us honest suggestions on what needed to get done and her pricing was very competitive. I would highly suggest using Northern Insulation for any of your home insulation needs! A+

Approximate cost of services:
$10,000.00
Was this review helpful?
Company Response

Thank you so much for your fantastic rating! We are so pleased to hear that the job was completed to your standards. We understand how important it is to make sure that we keep our customers happy and we are thrilled that we could work with your company to help make your customers happy. Please let us know if you need assistance on any future projects. Thank you for choosing 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.