Building Performance Institute

BPI Test Center

NSSC (formerly called the Weatherization Training Center at Penn College) is a Building Performance Institute (BPI) Test Center. As a BPI Test Center, NSSC is aligned with a nationally recognized credentialing process and provides an enhanced career path for private contractors in the residential energy efficiency retrofit field.

NSSC has developed training to prepare private contractor individuals for the knowledge, skills, and needed to take the BPI Building Analyst exam. Our training program teaches the fundamentals of home performance evaluation and whole-house retrofit planning and execution with a focus on the house-as-a-system concept, including mechanical equipment and the building envelope.

For individuals that are already BPI certified, many of NSSC’s courses are approved for BPI continuing education units (CEUs).

NSSC offers the following BPI-related training and certification testing:

  • BPI Building Analyst course and exams
  • BPI Envelope exams
  • BPI Heating exams
  • BPI Multifamily exams

Are you new to the residential energy efficiency retrofit field or an experienced contractor wishing to brush up on specific topics? NSSC offers a wide selection of courses in our Home Energy Professional training program, which provide an in-depth and comprehensive foundation for participants to be successful in earning various national credentials such as BPI and the Home Energy Professional certifications.

Learn more about BPI’s new Home Energy Professional certifications.

Current Course Offerings

Courses may be customized to meet your company's needs. Contact NSSC for more information.

Potential Course Offerings

For more information and to be notified the next time a course is offered, select a course title.

BPI Questions & Answers

Do I have to take coursework in order to sit for a BPI exam?

While BPI does not require training prior to attempting certification, it is highly recommended that you review the BPI Field Guides, Testing Knowledge Lists, and BPI Small Home Certification Policies and Procedures to make sure you have the necessary knowledge, skills, and experience to successfully pass the written and field exams. NSSC offers comprehensive training that builds the knowledge and skills needed to successfully earn BPI certification.

How do I become certified?

Visit BPI’s website to learn more about the BPI certification process.

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