The BPI Building Science Principles Training Package includes the BPI Building Science Principles Reference Guide (a $129 value), 8 hours of BPI Building Science Principles On-Demand Training, and a BPI Building Science Principles 100Q Practice Exam. The BPI Building Science Principles Certificate of Knowledge Exam is also included (a $109 value). Earning the BSP Certificate of Knowledge following completion of Homestead Sage's BPI Building Science Principles Training and Testing Package course entitles you to receive 12 CEU's from BPI.