What is the Building Science Principles course?
Building Science Principles (BSP) is an entry-level certificate program from the Building Performance Institute (BPI). It covers how a home's systems — insulation, HVAC, ventilation, and appliances — work together to affect energy efficiency, comfort, and durability.
No hands-on experience is required. It is a knowledge-based course designed as a first step into home performance and energy efficiency work.
You will learn:
How heat, air, and moisture move through a home
The role of HVAC in building performance
How appliances, lighting, and plug loads affect energy use
How to improve efficiency before adding renewables
Who it is for: HVAC technicians, contractors, inspectors, appraisers, realtors, solar pros, students, and anyone building a foundation in energy efficiency.
Cost and exam details
This is a paid course. Payment is required before the exam is unlocked.
Cost: $119 per attempt
No retakes are included
Exam format: 100 multiple-choice questions, taken online at your own pace
Passing score: 70%
Available in English and Spanish
Passing the exam earns you the official BPI-approved BSP Certificate of Knowledge — a credential you can add to your resume, LinkedIn profile, or share with customers.
Already BPI certified? Passing this exam earns you 6 BPI CEU credits.
How to find it in the app
Home > Industry Certifications (partner fee) > Building Science Principles
Questions?
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