Phius Certified Rater Training

One 1-Hour Session on April 1st from 3:00 – 4:00pm
Two 4-Hour Sessions on April 7th and 8th from 1:00 – 5:00pm
About the Training:
Phius Certified Raters focus on single-family residential projects. The Phius Certified Rater training builds on the foundation and concepts delivered in RESNET HERS Rater training and prepares rating professionals to identify the key components of passive building and understand best practices for testing and inspecting performance in the field. This training is delivered live, online over three days and provides grounding in passive building principles as well as a guide to onsite quality assurance for the Phius Certification program. Each session is three hours. Approximately 8 hours of self-guided material is provided before the first session for review. This is a live, online training led by Phius instructors.
Trainees are eligible to earn 14 Phius Continuing Education Units and 14 RESNET Professional Development Hours.
About Phius
Phius (Passive House Institute US) trains and certifies professionals, maintains the Phius climate-specific passive building standard, certifies and quality assures passive buildings, certifies high-performance building products and conducts research to advance high-performance building.
Course Topics
1. Background on building science, building enclosure systems and high performance mechanical systems
2. All requirements for the Phius Certification program, including requirements for 3rd party co-requisite programs
3. Air-tightness testing strategies and protocol for testing for Phius Certification compliance
4. Typical designs for passive building mechanical heating, cooling and ventilation systems and corresponding testing requirements
5. Passive building hot water delivery requirements and testing strategies
Funding Grants Available: Submit by March 11th, 2026
The Express Grant is designed to help businesses of all sizes respond quickly to emerging needs and keep employees engaged. With bite-size grants for just-in-time training and no waiting periods between grants, the Express program is the Workforce Training Fund’s fastest path to funding.
You could take this training for FREE. Complete an Express Grant Application.
Course ID#: : C-9666
Course Provider: Built Environment Plus
Course Cost: $750 per course per trainee
Express Grant Eligibility
Employers with 100 or fewer Massachusetts, W-2 employees are eligible to receive Express Program grants. Express Program grant applications must be submitted at least 21 days before the training date. All training must be completed within one year of the course start date.
Documentation Required
Signed Form W-9
Certificate of Good Standing (COGS) from the Massachusetts Department of Revenue, dated within 6 months from the date of application submission
Certificate of Compliance from the Massachusetts Department of Unemployment Assistance (DUA) that is not expired on the date of application submission
Refund Policy
Full refunds are available only if written notice is provided 7 days prior to course start date. There will be no refund if less than one week’s notice is given. Please note: Full refunds will be issued less the standard processing fee. In general, rescheduling is always preferred over refunds. Registration transfers are only allowed for rescheduling to a future training and cannot be transferred between individuals.
Background photo by Luke Chesser on Unsplash.



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