BPI Building Science Principles Reference Guide


The Building Science Principles Reference Guide ships directly from BPI. Cost is $129 + $11 shipping.



Earning the Building Science Principles (BSP) Certificate of Knowledge is your first step into the world of energy efficient home performance. You will learn some of the widely-used industry terminology related to building science. Building science demonstrates how various components of a home interact to affect the home’s overall performance. Understanding the relationships between the building envelope, heating, A/C, insulation, mechanical ventilation, lighting, appliances and other systems of the home will enable you to assist yourself and others. Learn how these systems affect the comfort, health and safety of occupants and durability of the home. Discover why improving the energy efficiency of the home should be the first step toward solar, geothermal, or other renewable energy improvements.

The second edition of the BSP guide features an extended renewables section and an entire chapter dedicated to the U.S. DOE Home Energy Score. The guide and the exam are available in English or in Spanish, based on the user's preference.

The BSP Certificate of Knowledge can be earned by studying the guide and then challenging the BSP online exam from your computer. The BSP exam is a 100-question multiple choice exam with a passing score of 70%. Once you successfully complete the exam, you can print your personalized BSP certificate from a computer connected to a working printer.

How Do I Get Started?
  • Training: Hands-on training is not required, although our companion web-based or printed Reference Guide will help you gain the knowledge you need to prepare for the 100-question online exam.
  • Upon ordering, a BSP Reference Guide will be shipped to you.


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