Are You Looking for Insulation Contractors in Duluth, MN?

Northstar Insulating specializes in residential and commercial insulation services, delivering energy-efficient solutions through advanced spray foam technology and comprehensive air sealing. We help homeowners and businesses in Northern Minnesota and Wisconsin reduce heating and cooling costs while improving comfort and structural integrity. Our team combines decades of experience with industry certifications to provide tailored insulation systems that meet modern energy standards.

Evergreen Foam Insulation provides expert installation of closed-cell and open-cell spray foam insulation for homes and businesses in Northern MN and WI. Our services enhance energy efficiency, reduce utility costs, and improve indoor comfort. With over 15 years of experience, we deliver durable, eco-friendly solutions tailored to residential and commercial projects.