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- What is Passive Building?
  Your passive building questions, answered
  
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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.
Categories
May 20 – 21

Phius Non-Res Summit 2025 - May 20th and 21st
Explore non-residential Phius certification at our virtual summit!
Upcoming Sessions
- Question and Answer Forum: The Not-so Basics
  May 15
- Phius Non-Res Summit 2025 - May 20th and 21st
  May 20 – 21
- Phius Certified Builder Training and Certification Exam | Boston, MA | May 2025
  May 28 – 30
- Phius Certified Consultant Training & Certification Exam | June 2025
  June 2 – 13
- Policy Work
  Promoting policies designed to grow passive building
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Passive Building
- What is Passive Building?
  Your passive building questions, answered
- Sectors
  Passive isn't just for houses
Certifications
- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
  Find a Project
- Products
  Phius Certified Products are guaranteed to perform to passive standards
  View Products
- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
Standards
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.
Education
Categories
Upcoming Sessions
- Question and Answer Forum: The Not-so Basics
  May 15
- Phius Non-Res Summit 2025 - May 20th and 21st
  May 20 – 21
- Phius Certified Builder Training and Certification Exam | Boston, MA | May 2025
  May 28 – 30
- Phius Certified Consultant Training & Certification Exam | June 2025
  June 2 – 13
May 20 – 21

Phius Non-Res Summit 2025 - May 20th and 21st
Explore non-residential Phius certification at our virtual summit!
Resources
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
About Us
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Phius Builders 101

An overview of the Phius Certified Builder (CPHB) program and what it means to be a CPHB.

May 01, 2024

By Jon Erickson

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A zero-carbon future starts right here with our locally tailored, globally applicable passive building standards.

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