August 2022 — PHIUS Certified Passive House Virtual Builder Training



Please Note: the Step 1 registration form must be completed and confirmation received from before providing payment for Step 2. 

If you have any questions regarding the registration process please contact

How to Register

Step 1 - Apply for Registration: $0.00 - wait to receive confirmation of acceptance, then move on to Step 2. Please fill out and submit the Step 1 registration form here.

Completing Step 1 does not guarantee admission for a specific date. If this session fills up, you will be notified and placed on a wait list.

Step 2 - Complete purchase to register and provide payment. Once registered, you will receive confirmation and instructions for attendance from our admin team.

To be certified, you must complete a third step of completing an exam, which has a separate fee. Exam information is here.

Date and Time

August 15 -17 (M-W) and 19 (F) and August 22-24 (M-W) and 26 (F) 12-3 pm Eastern Time

Full Program:

Phase I: An 8-hour online prep course completed prior to Phase II

Phase II: 8 days of online course delivery, 3 hours per day over a 2-week period, on the following days: August 15 -16 (M-Tu) and 18-19 (W-F) and August 22-24 (M-W) and 26 (F) 12-3 pm Eastern Time (9 am- 12 pm Pacific)

A total of approximately 32 hours of course content (Phase I + Phase II)

Course Highlights

  • General passive house principles
  • Classroom and field focus on enclosure issues
  • HVAC considerations and testing
  • Cost optimization/bidding
  • QA/QC process


CPHBs are listed on the PHIUS online database of Certified Builders and are licensed to use the PHIUS Certified Builder logo and accompanying recommended language. To become a PHIUS Certified Passive House Builder, trainees must:

  • Complete and return the qualifying exam within 3 weeks of completing class (exam requires separate registration, see information here).
  • Earn a passing grade of 75%.
  • Provide proof of licensure and insurance for jurisdictions where they are required.

Continuing Education:

Completion of this course qualifies trainees for the following credits:

  • AIA: 32.5 hours of HSW Learning Units
  • BPI: 12.75 CEU
  • CPHC: 32.5 CEU

    Organizers: PHIUS & RDH Building Science

    The PHIUS Certified Passive House Builder training program is administered by RDH Building Science Inc., one of the leading building science consulting firms within the United States and Canada. This training has been developed by PHIUS in conjunction with RDH's training and publication professionals, who are dedicated to sharing RDH's building science and enclosure design knowledge with the industry.

    PHIUS Certified Builders Training: Passive House Alliance U.S.

    Visit the Certified Passive House Builder Training home page for more information on the cancellation and rescheduling policy.