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- What is Passive Building?
  Your passive building questions, answered
  
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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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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
September 15 – 17

Phius Certified Builder Training & Certification Exam | Bellingham, WA | September 2026
Level up your career by becoming a Phius Certified Builder
Upcoming Sessions
- July Office Hours - Mechanical Questions
  July 21
- Aug Webinar: Phius at Elevation
  August 4
- Phius Certified Consultant Training & Certification Exam | August 2026
  August 17 – 28
- Aug Office Hours - Project Questions
  August 18
- Policy Work
  Promoting policies designed to grow passive building
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- Tools and Support
  Providing the tools you need to create healthier buildings
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Webinar

1.0 CEU

Thermal Bridge Mitigation Webinar

Phius Certification Program Director James Ortega outlines strategies for mitigating thermal bridging on passive building projects.

July 14, 2026

By James P. S. Ortega

VIEW PRESENTATION SLIDES HERE