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- What is Passive Building?
  Your passive building questions, answered
  
  Passive Building
  
  Passive Building Principles
  
  Passive Building FAQs
  
  A Better Way to Zero
  
  Passive Building Foundations Training
- Sectors
  Passive isn't just for houses
  
  Single-Family
  
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- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
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- Products
  Phius Certified Products are guaranteed to perform to passive standards
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- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
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  Phius Certified Builder (CPHB)
  
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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
October 24 – 25

Phius Certified Rater Training | Providence, RI | October 2024
Come for the Phius Pro Forum, stay to become a Phius Certified Rater!
Upcoming Sessions
- Phius Certified Builder Training and Certification Exam | September 2024
  September 16 – 27
- Phius Certified Builder Training and Certification Exam | Rhode Island | September 2024
  September 18 – 20
- Phius Certified Builder Exam | Rhode Island | September 2024
  September 20 – October 20
- Phius 2024 Standard Update Part 2
  September 24
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
  Incentives
  
  Codes
  
  Qualified Allocation Plans
  
  Cost Data
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
  
  Certification Support
  
  Calculators and Protocols
  
  Feasibility Study
  
  WUFI Passive Design Tool
  
  Climate Data
  
  Quality Assurance
  
  Tech Corner

Webinar

1.0 CEU

Mechanical Ventilation Strategies with Zehnder

Zehnder offers strategies for high-performance mechanical ventilation systems.

May 16, 2023