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- What is Passive 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
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- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
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June 20 – 22

Phius Certified Rater Training | June 2022
Stay on the cutting edge by becoming a Phius Certified Rater.
Upcoming Sessions
- Phius Certified Consultant Training Phase I | May 2022
  May 31
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  June 1 – December 31
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  June 1 – January 1
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Passive Building
- What is Passive Building?
  Your passive building questions, answered
- Sectors
  Passive isn't just for houses
Certifications
- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
  Find a Project
- Products
  Phius Certified Products are guaranteed to perform to passive standards
  View Products
- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
Standards
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.
Education
Categories
Upcoming Sessions
- Phius Certified Consultant Training Phase I | May 2022
  May 31
- Phius Certified Builder Exam Registration
  June 1 – December 31
- Phius Exam Retake
  June 1 – December 31
- Phius Recertification Exam
  June 1 – January 1
June 20 – 22

Phius Certified Rater Training | June 2022
Stay on the cutting edge by becoming a Phius Certified Rater.
Resources
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
About Us
Our People
Phius Alliance

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Article/Paper

Phius 2021 Future Electricity Source Energy Factors

This document outlines the methodology behind calculating the U.S Grid-Electricity Source Energy Factors for the Phius 2021 standard.

March 01, 2021

By Lisa White

U.S Grid-Electricity Source Energy Factors for Phius 2021

Download Source Energy Factors Tech Corner Article