Welcome to Energy Core, LLC

Energy Core, LLC is Eastern Iowa’s resource for professional home performance testing and insulation. Energy Core provides expert guidance and services to home owners who want to reduce their bills and have an energy efficient home.

We are an Iowa licensed contractor and belong to the Residential Energy Services Network (RESNET) as a certified auditor for Home Energy Rating System (HERS). HERS’s rating services offers independent third party verification for ENERGY. A HERS rater can show you where to spend your money for the quickest payback.

Along with HERS audits we offer our customers blower doors, thermal imaging, sizing for HVAC systems, and walk through audits.
The average American household spends $70,000 on utility bills over a 30-year period, with that being roughly $200 a month. The cost of energy continues to rise. More than ever energy efficiency is playing a role in picking the right property. Energy Core can help you lower your utility bills.