Welcome to Building Science Institute
Building Science Institute is a not-for-profit 501(c)(3) corporation provider of quality authorized educational programs and certification courses for energy and construction professionals. BSI is committed to promoting energy efficiency standards, advocating sustainable construction practices and advancing building science concepts and technologies that are cost efficient and durable and which provide high levels of indoor air quality.
Whether you’re looking to become a certified RESNET home energy rater, BPI building analyst and envelope professional or weatherization specialist, or you simply want to earn continuing education credits in your specialized field, BSI offers classes that fit your needs, schedule, and budget. And our acclaimed instructors have amassed years of experience in the field and the classroom.
We encourage you to browse through our site and explore our course offerings. When you’re ready to enroll, you can even sign up and pay conveniently online.