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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
  
  Multifamily
  
  Office Buildings
  
  Schools
  
  Other Non-Residential
- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
  Find a Project
  
  Project Certification
  
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  Certification Review Queue
- Products
  Phius Certified Products are guaranteed to perform to passive standards
  View Products
  
  Product Certification Overview
  
  Window Certification
  
  Panel Certification
- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
  
  Phius Certified Consultant (CPHC®)
  
  Phius Certified Builder (CPHB)
  
  Phius Certified Rater
  
  Phius Certified Verifier
  
  Phius Certified Trades Professional
  
  Phius Associate
  
  Maintain Credentials
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
December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
Become a Phius Enclosure Specialist!
Upcoming Sessions
- Phius Certified Consultant Training & Certification Exam | December 2025
  December 1 – 12
- Phius Certified Builder Training and Certification Exam | December 2025
  December 1 – 12
- Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
  December 1 – January 16
- Dec. Webinar: We Got It - Prerequ Updates
  December 2
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
  Financial 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
  
  METr Design Tool
  
  WUFI Passive Design Tool
  
  Climate Data
  
  Quality Assurance
  
  Tech Corner

Find a Professional

Areas Serviced

Certifications

Andrew Allwine

Passive to Positive

Pennsylvania

Phius Certified Consultant (CPHC)

Email

Shannon O'Donnell

Nurture Architects

Illinois

Phius Certified Consultant (CPHC)

Email

Ashley Lubyk

Okanagan College â Penticton Campus

British Columbia

Phius Certified Consultant (CPHC)

Email

cory mowder

Lone Mountain Land Company

United States All Canadian Provinces Arizona California Idaho Montana New Mexico North Dakota

Phius Certified Builder (CPHB)

Email

Britt Clark

Sustainable Comfort Inc

Connecticut Maine Massachusetts New York Rhode Island

Phius Certified Consultant (CPHC) Phius Certified Builder (CPHB)

Email

Kenshiro Kadowaki

Hayashi Construction Co Ltd

Japan

Phius Certified Consultant (CPHC)

Email

Scott Yribar

VY Architecture

Idaho Washington Utah

Phius Certified Builder (CPHB) Phius Certified Consultant (CPHC)

Email

Lisa Reed

New Ecology, Inc.

Phius Certified Consultant (CPHC)

Courtney Jones

Courtney Sigloh

Oregon Washington Montana Texas

Phius Certified Consultant (CPHC)

Email

Hannah Franklin

Consigli Construction

United States

Phius Certified Builder (CPHB)

Email