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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    janervelazquez717776
    By

    it was a good experience they were fast and efficient and i was really happy with the work . i greatly reccomend this company

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    BillMercer
    By

    Excellent service, from the salesperson to the installers. Would highly recommend them to anyone needing their attic issues solved.

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    SusieV959644
    By

    they qere fast efficient and cleaned up after i would defently reccomend this company they did a great job!

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    AlanGerriP776529
    By

    Excellent service, fair price. The crew cleaned up after themselves. very pleased with quality and service. Thank You

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    User957690
    By

    From the beginning,GNI was prompt, efficient and professional. Their work was superb and clean-up was flawless. I have already recommended them to a friend.

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