Great Northern Insulation

Custom Home Builders
$$
Woodstock, ON
Great Northern Insulation

About Great Northern Insulation

Great Northern Insulation (GNI) is a premier insulation and building envelope contractor serving Southern Ontario for over 40 years. Specializing in both residential and commercial sectors, GNI offers science-backed solutions for energy efficiency, utilizing sustainable products like cellulose and hemp insulation. As a RenoMark™ verified company and a partner of the Holmes and Holmes group, they are dedicated to superior workmanship, comprehensive air sealing, and maximizing customer rebates through government energy programs.

42+ Years

In Business

HCRA: unknownVerify

Services

  • Trade Contractor

Specializations

Trade Contractor

Certifications

  • HomeStars Best of 2021
  • HomeStars Best of 2022
  • Licensed, Certified & Insured
  • CHBA Member
  • Enbridge Home Efficiency Rebate Plus Partner
  • eRenovate Verified & Bonded
  • RenoMark™
  • BBB Accredited
Learn more about certifications →
Verify CHBA Membership

Warranty Programs

  • 100% Satisfaction Warranty
  • Product Warranties

Portfolio

Great Northern Insulation project 1Great Northern Insulation project 2

Photos

Great Northern Insulation photo 1Great Northern Insulation photo 2Great Northern Insulation photo 3Great Northern Insulation photo 4Great Northern Insulation photo 5Great Northern Insulation photo 6

Contact Information

(519) 533-2900Visit Website
935 Keyes Drive
Woodstock, ON N6M 0C8

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