Insulation

If your energy bills are rising, poor attic insulation could be the cause. At Harp Exteriors, we specialize in high-performance insulation solutions that can reduce heating and cooling costs by up to 40%, while improving year-round comfort and energy efficiency.

Smart Insulation, Long-Term Savings

We install spray foam and blown-in insulation to create a seamless, airtight barrier against heat loss. Our tailored solutions reduce strain on your HVAC system, improve indoor air quality, and help protect your home from moisture and mold.

What We Offer:

• Thermal Imaging Inspections: Pinpoint areas of heat loss and hidden moisture with non-invasive thermal scans.

• Blown-In Insulation: An affordable, efficient option ideal for attics, walls, and cavities.

• Attic Sealing & Ventilation: Prevent moisture buildup and ice dams while ensuring proper airflow and protection.

Why Choose Harp Exteriors?

• Professionally trained and certified installers

• 100% satisfaction guarantee with third-party manufacturer warranties

• Trusted experience with thousands of energy audits completed

• Solutions for homes, offices, and cottages

Get a Free Assessment

Whether you’re upgrading insulation or starting fresh, we’re here to help make your space more comfortable and cost-efficient.

Call 226-333-HARP or request a quote online for a free, no-obligation estimate.
Harp Exteriors – Trusted Insulation Experts in Sarnia, Chatham, London, St. Thomas, Cambridge, Kitchener-Waterloo & surrounding areas.