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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
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
  
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  Tech Corner

Workbook

Phius Quality Control Field Checklist

A checklist of tasks for Phius quality assurance professionals to use in the field. This checklist must be used for Phius 2024 projects and all projects with a contract date after September 1, 2025.

August 27, 2024

Phius Quality Control Field Checklist

The checklist applies to single-family and multifamily projects. This checklist must be used for Phius 2024 projects and all projects with a contract date after September 1, 2025.

Download the Checklist