Course Structure

Self-Paced Modules

Week 1

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

Live Sessions

Week 2

Attend three, 3-hour instructor-led live sessions for a deep dive on the what and why behind field testing for Phius Certification compliance, closing with a virtual inspection tour of a single-family passive building under construction.

Exam Application

Apply for and take the Phius Certified Rater Exam. Students may apply to take the exam at any point after the training registration is complete. One the application is accepted, students receive the link to register for the exam.


The exam is offered immediately following each scheduled Phius Certified Rater training course and delivered through the Phius training site. Students have 1-hour to complete the exam and receive their scores immediately.
Students must apply and meet pre-requisites to take the exam.


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 Professional Alliance membership.

Continuing Education

All Phius Certified professionals gain 3-year accreditation which can be extended through a variety of renewal paths. Find more information on the continuing education page.

Rescheduling & Refunds