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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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December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
Become a Phius Enclosure Specialist!
Upcoming Sessions
- Member Office Hours - Projects
  December 9
- Jan. Webinar: Walking Through METr
  January 13
- Member Office Hours - METr
  January 20
- Phius Certified Builder Training and Certification Exam | January 2026
  January 20 – 30
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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
- Member Office Hours - Projects
  December 9
- Jan. Webinar: Walking Through METr
  January 13
- Member Office Hours - METr
  January 20
- Phius Certified Builder Training and Certification Exam | January 2026
  January 20 – 30
December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
Become a Phius Enclosure Specialist!
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
Our People
Phius Alliance

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Showing 4 results

Upcoming events

Feb 11 2026

Live Virtual Session Training

WUFI Passive Single Family | February 2026

Chris West Ben Wolk

W Th 11:00 A - 3:00 P / W 11:00 A - 1:00 P Eastern 10 CEU

Apr 23 2026

Live Virtual Session Training

WUFI Passive Advanced - Multifamily | April 2026

Michelle Tinner Izumi Kitajima

Th F | 1:00 - 5:00 P Eastern 8 CEU

May 6 2026

Live Virtual Session Training

WUFI Passive Single Family | May 2026

Chris West Hans Breaux

W Th 11:00 A - 3:00 P / W 11:00 A - 1:00 P Eastern 10 CEU

Jun 3 2026

Live Virtual Session Training

WUFI Passive Advanced - Multifamily | June 2026

Ryan Abendroth Sayo Okada

W Th | 1:00 - 5:00 P Eastern 8 CEU