BPI Study Guide 2026
Everything you need to pass the BPI exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 BPI Exam Format at a Glance
📚 BPI Topics to Study (71)
✍️ Sample BPI Questions & Answers
1. Which foundational principle is MOST important for success in the Building Performance Institute Certified profession?
Success in any professional field requires a commitment to continuous learning to stay current, ethical practice to maintain trust and integrity, and a focus on quality outcomes that serve stakeholders and the public interest.
2. What does an Energy Recovery Ventilator (ERV) do differently than a Heat Recovery Ventilator (HRV)?
An ERV exchanges both sensible heat and moisture (latent energy) between incoming and outgoing airstreams, while an HRV exchanges sensible heat only.
3. What is a 'rainscreen' wall assembly designed to accomplish?
A rainscreen creates an air gap that serves as a capillary break, allows drainage of any water that penetrates the cladding, and promotes drying of both surfaces.
4. What does 'effective R-value' of a wall assembly account for that the 'clear-field R-value' does not?
Effective R-value accounts for the reduced thermal performance caused by thermal bridging through framing and other conductive elements in the actual assembly.
5. Per BPI standards, what is the action level for radon concentration that requires mitigation before energy work proceeds?
The EPA and BPI action level for radon is 4 pCi/L; concentrations at or above this require mitigation, especially before air sealing.
6. What is the function of a 'sacrificial anode rod' in a water heater, and why is it relevant to energy auditing?
A sacrificial anode rod corrodes preferentially to protect the tank; an auditor notes its condition because premature tank failure increases lifecycle energy and replacement costs.