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  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
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Upcoming events

Dec 1 2025

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | December 2025

Nicole Schuster Michelle Tinner

M T Th F | 12:00 - 3:00 PM Eastern 74 CEU

Jan 20 2026

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | January 2026

John Loercher Ryan Abendroth

T W F / M W F | 9:00 - 1:00 PM Eastern 74 CEU

Feb 17 2026

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | February 2026

John Loercher Ryan Abendroth

T W F / M W F | 10:00 - 2:00 PM Eastern 74 CEU

Apr 20 2026

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | April 2026

Sayo Okada Chris West

M T W Th / M T W Th | 7:00 - 10:00 PM Eastern 74 CEU

May 11 2026

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | May 2026

Elizabeth Turner Izumi Kitajima

M T Th F | 12:00 - 3:00 PM Eastern 74 CEU

Jun 8 2026

Live Virtual Session Training

Phius Certified Consultant Training & Certification Exam | June 2026

Nicole Schuster Ben Wolk

M W F / M T Th | 1:00 - 5:00 PM Eastern 74 CEU