Find 2 Insulation Contractors You Can Count On in Nepean, ON

Great Northern Insulation specializes in energy-efficient insulation solutions for homes, businesses, and agricultural facilities. We provide retrofit and new construction services using sustainable materials like cellulose, hemp, and HFO spray foam. Our 40+ years of expertise ensure reduced energy costs, improved comfort, and compliance with environmental standards across Southern Ontario.

Thermec Insulation Services is a family-owned Ottawa-based mechanical insulation contractor with over 40 years of experience. We specialize in pipe, ductwork, and equipment insulation for commercial, industrial, and residential projects across Eastern Canada. Our certified team delivers energy-efficient solutions that reduce costs while maintaining strict safety and quality standards.