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- What is Passive Building?
  Your passive building questions, answered
  
  Passive Building
  
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  A Better Way to Zero
  
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  Passive isn't just for houses
  
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  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
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- Products
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- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
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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
February 6 – 11

WUFI Passive - Single Family | February 2025
Breeze through your next single-family WUFI model with this workshop
Upcoming Sessions
- Jan Webinar: METr
  January 14
- Phius Certified Verifier Training | Boston, MA | January 2025
  January 15 – 16
- Phius Project Certification Workshop | January 2025
  January 15
- Phius Certified Consultant Training & Certification Exam | January 2025
  January 21 – 31
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
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- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
  
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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
- Jan Webinar: METr
  January 14
- Phius Certified Verifier Training | Boston, MA | January 2025
  January 15 – 16
- Phius Project Certification Workshop | January 2025
  January 15
- Phius Certified Consultant Training & Certification Exam | January 2025
  January 21 – 31
February 6 – 11

WUFI Passive - Single Family | February 2025
Breeze through your next single-family WUFI model with this workshop
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
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PhiusCon 2025 Exhibit Information

Early selection for PhiusCon 2025 exhibit spaces is now open! Join us in Milwaukee, Wisconsin October 6-9, 2025!

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

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