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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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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
July 30 – August 1

Phius Certified Builder Training and Certification Exam | Seattle, WA | July 2025
Be part of the launch class for the new CPHB training!
Upcoming Sessions
- July Member Office Hours - Project Questions
  July 15
- Phius Certified Builder Training and Certification Exam | July 2025
  July 21 – August 1
- WUFI Passive Advanced - Multifamily | July 2025
  July 24 – 25
- Intro to THERM | July 2025
  July 29 – August 6
- 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
  
  METr Design Tool
  
  WUFI Passive Design Tool
  
  Climate Data
  
  Quality Assurance
  
  Tech Corner

Find a Professional

Areas Serviced

Certifications

Britt Clark

Sustainable Comfort Inc

Connecticut Maine Massachusetts New York Rhode Island

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

Email

Shane Losi

1507 inc

Massachusetts

Phius Certified Consultant (CPHC)

Email

Keihly Moore

Studio g Architects

Massachusetts

Phius Certified Consultant (CPHC)

Email

Scott Reed

Erland Construction, Inc.

Connecticut Massachusetts New Hampshire Rhode Island

Phius Certified Builder (CPHB)

Email

Megan Carriere

Finegold Alexander Architects

Maine Massachusetts Rhode Island

Phius Certified Consultant (CPHC)

Email

Sara Littlefield

Consigli Construction

Massachusetts Maine

Phius Certified Builder (CPHB)

Email

Shaun Hallissey

Embarc

Massachusetts

Phius Certified Consultant (CPHC)

Email

Robyn Oliver

ReVision Architecture

Connecticut Delaware Georgia Maine Maryland Massachusetts New Hampshire New York North Carolina Pennsylvania Rhode Island South Carolina Tennessee Vermont Virginia West Virginia

Phius Certified Consultant (CPHC)

Email

Angela Chan

Suffolk Construction Company

Massachusetts

Phius Certified Builder (CPHB)

Email

Gary Littles

GVW, Inc.

Massachusetts

Phius Certified Builder (CPHB)

Email

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