Phius Certified Rater
Phius
The Phius Rater ensures homes meet energy efficiency standards.
For Individuals
Energy
Environmental
Climate
Residential
Key Strengths
- Built on the widely recognized RESNET HERS Rater foundation
- Covers advanced building science including airtightness, moisture control, and thermal bridging
- Enables professionals to serve as required third-party QA on Phius-certified projects
- Aligns with co-requisite programs like ENERGY STAR, EPA Indoor airPLUS, and DOE Zero Energy Ready Home
- Positions raters to work on high-demand passive building projects
- Issued by Phius, the leading U.S. passive building standards organization
Ideal For
This certification is best suited for RESNET HERS Raters who want to expand their expertise into passive building and high-performance residential construction. It is ideal for energy raters, building inspectors, and commissioning professionals working with builders, developers, or architects pursuing Phius project certification. Those already active in the green building or energy efficiency space will find the most direct career benefit.
Target Audiences
Businesses
Relevant Roles
Auditor
Consultant
Engineer
Industries
Construction
Real Estate
Alignment & Recognition
Accrediting Body
RESNET
Scope
Knowledge
Performance
Overview
Requirements & Assessment
Renewal & Maintenance
Impact & Outcomes
Consider Alternatives If...
Frequently Asked Questions
Quick Facts
Type
Certification
Regions
North America
Languages
English
Delivery Format
In-Person, Online, Instructor-led
Digital Badge
Available
How to Use This Credential
Public Seal/Badge
Online Registry
