Home Certification Organizations (HCOs)

Home Certification Organizations (HCOs) are independent organizations recognized by EPA to implement an ENERGY STAR certification program based on the ENERGY STAR Residential New Construction program requirements for site-built single-family and multifamily homes and apartments when an Energy Rating Index (ERI) compliance path is used.

EPA has recognized the following organizations as Home Certification Organizations (HCOs):

• Residential Energy Services Network (RESNET)

Learn more about the HCO requirements and application process.