Phius Certified Builder (CPHB) Training Schedule

Course Timeline

CPHB Course Structure


A short application questionnaire is included in the training registration link.

Self Paced Modules

Weeks 1-2

Complete 8 hours of self-paced modules, laying the foundation of knowledge on building science, passive building principles and Phius Certification.

Live Online Sessions

Weeks 3-4

Attend 8, three-hour instructor-led live sessions (24 hours total) for a deep dive on high performance enclosures, envelope field considerations, high performance mechanical systems, cost optimization and project management.

Certification Exam

Weeks 5-8

Achieving a passing score on the Phius Certified Builder (CPHB) Exam is required to become a Phius Certified Builder. The exam is delivered through the online training site and consists of multiple choice, multi-select, short answer and sketch drawing questions.


Upon passing the exam, new professionals complete an agreement and are then listed in the online professional database, receive professional logos, and are provided with a FREE year of Phius Alliance membership.

Re-Scheduling & Refunds