Feasibility Study Checklist Webinar
Phius Certification Program Director James Ortega discusses the checklist for Phius feasibility studies and how they can be beneficial to project teams.
February 2026 Project Spotlight: Spark Side
This edition of the Phius Project Spotlight Series features the Spark Side single-family home in Durham, New Hampshire.
January 2026 Project Spotlight: The Pierce at 7 Van Buren
This edition of the Phius Project Spotlight Series highlights The Pierce at 7 Van Buren, a Phius ZERO multifamily building in the Chicago area.
Phius Guidelines for Constant Air Volume Devices
This blog defines Phius' guidelines for the performance verification of constant air volume devices on projects pursuing Phius Certification.
Thermal Bridge Psi-Value Calculator
This calculator can be used to determine psi-values for 2-D thermal bridges in combination with THERM.
November 2025 Project Spotlight: J.J. Carroll House
This edition of the Phius Project Spotlight Series highlights the J.J. Carroll House senior living facility in Boston, Massachusetts.
CERV Calculator Update
Phius Certification Manager Al Mitchell dives into the new and improved CERV calculator to aid in Phius Certification.
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.
Project Office Hours | October 2025
Phius Building Certification Associate Zoe Rader fields project questions.
A Deep Dive into the Phius 2024 Standard Update
Repurposed from a white paper produced by members of the Bright Power team, this blog examines the updates made for the 2024 Phius standard.