The five day BPI Quality Control Inspector training course aligns with the National Renewable Energy Laboratory (NREL) standards and the BPI Home Energy Performance Certification exams. Course topics include (Customer Service and Worker Professionalism:Visual and Sensory Inspections:Diagnostics Inspections:Conducting Quality Assurance:Project Compliance:Proper Record Keeping). Additional costs include written test for $250 and the field test is $375.