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- What is Passive Building?
  Your passive building questions, answered
  
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- Sectors
  Passive isn't just for houses
  
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- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
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Our Approach
- New Construction
  Phius CORE and Phius ZERO provide the path for constructing a Phius building from the ground up.
- Retrofit
  Upgrade existing buildings to Phius standards using Phius CORE REVIVE and Phius ZERO REVIVE.
- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
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October 24 – 25

Phius Certified Rater Training | Providence, RI | October 2024
Come for the Phius Pro Forum, stay to become a Phius Certified Rater!
Upcoming Sessions
- Phius Certified Builder Exam | Rhode Island | September 2024
  September 20 – October 20
- Phius 2024 Standard Update Part 2
  September 24
- Phius Certified Consultant Training & Certification Exam | September 2024
  September 30 – October 11
- 2024 AIA Philadelphia Home Tours | by Local Architects
  October 5 – 6
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
  Incentives
  
  Codes
  
  Qualified Allocation Plans
  
  Cost Data
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
  
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  Calculators and Protocols
  
  Feasibility Study
  
  WUFI Passive Design Tool
  
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  Quality Assurance
  
  Tech Corner

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Phius Quality Control Site Photos DON'Ts and DO's Guide

A visual guide for Phius Certified Raters and Verifiers on how to take clear and effective site photos.

August 13, 2024

Phius Quality Control Site Photos DON'Ts and DO's Guide

View and download the guide to assist in taking clear and effective site photos for Phius certification.

View and Download Here