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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
- 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
  
  Submit a Project
  
  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
  
  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
October 11

Phius Project Certification Workshop | October 2023
Get an inside look at the Phius Project Certification process.
Upcoming Sessions
- WUFI Passive - Single Family | September 2023
  September 21 – 29
- Phius Certified Consultant Design Exam | September 2023
  September 21 – October 22
- Phius Certified Builder Training and Certification Exam | September 2023 | In person
  September 27 – 29
- Phius Certified Builder Exam | September 2023 | In Person
  September 29 – October 30
- 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

Phius Board of Directors

The Phius mission is shaped and guided by its esteemed and highly decorated Board of Directors.

Board Members

Prudence Ferreira

Passive House Practice Lead at Morrison Hershfield

Alan Gibson

Board Secretary; Owner and General Manager of GO Logic LLC

Walter Grondzik

Board Member and President Emeritus – Professor of Architecture at Ball State University

Karan Gupta

Board Member

Terence Hill

Phius Board Senior Policy and Board Member

Katrin Klingenberg

Co-Founder & Executive Director

Richard S. Levine

Center for Sustainable Cities Co-Director

Maren Longhurst

Project Architect, Building Science Coordinator at Sam Rodell Architects, AIA

Shannen Martin

Board Member

Lourdes Melgar, Ph. D.

Energy and Sustainability Scholar

Mary Rogero

Board President; Chair of the Department of Architecture & Associate Professor at Miami University

Dan Whitmore

Board Vice President; Passive House Consultant at RDH Building Science