Phius CORE 2024 Prescriptive Snapshot
Phius CORE 2024 Prescriptive Climate Map
The climate map provides data related to the thermal enclosure and mechanical system performance levels required to achieve Phius CORE Prescriptive. It is similar to the same data as the Phius CORE Prescriptive snapshot, except it's displayed on a map. It is often helpful to use this map to find the location/climate data set closest to your project site.
Phius CORE 2024 Prescriptive - Climate Zone Table
Phius at Elevation Webinar
Phius Certification Associate John Loercher discusses challenges and solutions for Phius Certification of buildings at elevations above 5,000 feet.
Non-Residential Quality Assurance Workbook Webinar
Phius Building Certification Associate Mark Smith dives into the Phius Non-Residential Quality Assurance Workbook.
April 2026 Project Spotlight: Bush School - Upper School South
This edition of the Phius Project Spotlight Series highlights the Bush School - Upper School South project in Seattle, Washington.
DOE Efficient New Homes Requirement Paused for Multifamily Phius Projects
Phius has made the decision to place a pause on requiring DOE Efficient New Homes Multifamily Version 2 certification as a co-requisite for multifamily projects.
Phius 2024 Performance Criteria Calculator
This calculator is used to determine project-specific performance criteria for Phius 2024 New Construction projects using WUFI Passive. Projects submitted using METr now have the criteria calculator built into the software directly.
Project Office Hours | December 2025
Phius Certification Program Director James Ortega and Building Certification Associate Margaret Goetsch answer project questions.
October 2025 Project Spotlight: Evanston's First Passive House
This edition of the Phius Project Spotlight Series highlights Evanston's First Passive House, a single-family project in Evanston, Illinois.