Step 5:  Home Energy Professional (HEP) Quality Control Inspector (QCI) 

The Quality Control Inspector certification is supported by the U.S. Department of Energy (DOE) and its National Renewable Energy Laboratory (NREL).  By earning the Quality Control Inspector certification, you prove that you can verify the compliance of retrofit work performed based on work plans and standards, conduct audits and inspections using diagnostic equipment, and can develop reports that specify corrective actions to achieve whole house performance. This is an online 2.5 hour exam with 50 multiple choice questions.

On-line exam only $600.00

https://www.bpi.org/certified-professionals/quality-control-inspector