Great Northern Insulation
4.8/5
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For over 35 years, Great Northern Insulation has increased the comfort, energy efficiency, and durability of buildings and homes throughout Ontario. Our mission is to provide affordable solutions to each and every customer by reducing their energy costs, improving the acoustics of their living/working environment and addressing their unique fire protection requirements. We deliver these solutions with the most experienced staff in the industry. To achieve our goal of 100% customer satisfaction, we back all of our services with a satisfaction warranty, money back warranty, product warranty, and a sustainability warranty. We firmly stand by the statement that "There is more to insulating than just adding insulation". When selecting an insulation contractor, evaluate your options based on their experience, product expertise, customer service, and workmanship. Contact Great Northern Insulation today and experience what a true professional contractor can do for you! more... See more text

Products and Services

  • Blown Loose Fill Attic Insulation,
  • Spray Foam Insulation,
  • Cellulose,
  • Batt Insulation,
  • Blown-in Wall Insulation,
  • Crawl Space Insulation,
    • Fireproofing,
    • Thermal Barrier,
    • Insulation Removal,
    • Airsealing,
    • Acoustical System,
    • Cladding,
    • Firestop & Smoke Seal,
    • 3M Window Film,
    • Vapour Barrier,
    • Building Envelope Consultation,
    • Blower Door Testing,
    • Fibreglass,
    • Thermal Imaging,
    • Insulation Consultants,
  • more...
  • less...

Brands Carried

  • BASF Walltite Eco,
  • Honeywell,
  • Owens Corning,
  • Gaco Western,
  • Winroc,
  • 3M,

Specialties

  • Insulation Services,
  • Insulation Consultants,
  • Highest Performing,
  • Environmentally Friendly Products & Services,
  • On Budget,
  • Installed Right,
    • One Source / Full Service,
    • On Time,
  • more...
  • less...

Languages Spoken

  • English,
Useful Information

Opening Hours *Holiday hours

Monday
Tuesday
Wednesday
Thursday
Friday
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Methods of Payment:

  • Financing Available

Ratings & Reviews - Great Northern Insulation

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4.8/5
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    dhar9877
    By

    the team who came to my house were great. they worked fast and were very respectable. easy to talk to and were very professional. they cleaned everything up once they were done to a level better than when they arrived. what a difference in the temperature. would recommend to others considering the same.

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    hair9663
    By

    Very punctual, clean, and they clean up after they finish.

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    hube7576
    By

    I am very pleased with the entire team at GNI. From a well structured assessment of my needs made by Mike to the insulation work carried out by a well coordinated team of Bob, James and Colton to the follow up on government rebates due, - all handled with extraordinary professionalism. A gem when it comes to making GNI your choice.

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    shee0212
    By

    Our experience was great. The quote was very reasonable and thoroughly explained. The installation went smoothly. The installers even vacuum the area when finished. All personnel we dealt with at this company were very professional. I am recommending Great Northern to friends, family and neighbours.

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    laur0378
    By

    We recently had work done with GNI and they were fast, efficient and the work was definitely done to our satisfaction. The only reason why we did not give them a 5 star rating was because we had a hard time reaching someone on the phone to get a few answers on our install once we took a quick booking. We understand the slow reply due to the rebates going on, but maybe a better explanation upon booking would help. Either way, thanks guys! We would definitely recommend you to family and friends!

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