Customer Ratings and Reviews
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David Melbourne on Google
(August 29, 2020, 2:53 pm)Phil and Bill completed our attic insulation upgrade yesterday to our full satisfaction. All the steps and actions were explained in details. Both were professional and customer service oriented and the job completion clean up was thorough and complete.
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Shari Stratton on Google
(January 19, 2020, 7:09 pm)We are very happy with the job GNI did on our shop. We can't believe the difference in the heat after insulating the attic! Price was very reasonable and will pay for itself in no time. Huge difference! Thank You GNI! We wouldn't hesitate to recommend this company.
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Gramma C on Google
(December 28, 2019, 3:42 pm)This father and son team are great.
They were very nice punctual and did and awesome job insulating our attic and there quality of work was great and they cleaned up afterwards.
We would recommend them to do your insulation. Thank you Dylan and Todd.
Tom Hughes
Photos of Great Northern Insulation
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Questions & Answers
What is the phone number for Great Northern Insulation?
The phone number for Great Northern Insulation is (800) 265-1914.
Where is Great Northern Insulation located?
Great Northern Insulation is located at 7035 Industrial Dr, Comber, ON N0P 1J0, Canada
What is the internet address for Great Northern Insulation?
The website (URL) for Great Northern Insulation is: https://www.gni.ca/
What days are Great Northern Insulation open?
Great Northern Insulation is open:
Monday:6:30 AM – 5:00 PM
Tuesday:6:30 AM – 5:00 PM
Wednesday:6:30 AM – 5:00 PM
Thursday:6:30 AM – 5:00 PM
Friday:6:30 AM – 5:00 PM
Saturday:Closed
Sunday:Closed
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