Resource Library

Phius Certification Program Director James Ortega discusses the checklist for Phius feasibility studies and how they can be beneficial to project teams.

This edition of the Phius Project Spotlight Series features the Spark Side single-family home in Durham, New Hampshire.

Phius Project Certification Program Manager Haley Harlow fields project questions.

This blog, reposted from Passive House Massachusetts, explores the impact Massachusetts energy codes have had on housing production in the state.

This edition of the Phius Project Spotlight Series highlights The Pierce at 7 Van Buren, a Phius ZERO multifamily building in the Chicago area.

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.

Phius Co-Founder & Co-Executive Director provides context for Phius' 2025 accomplishments and looks ahead to 2026.

Phius Certification Program Director James Ortega and Building Certification Associate Margaret Goetsch answer project questions.

Phius Certification Program Director James Ortega answers project questions.

This edition of the Phius Project Spotlight Series highlights the J.J. Carroll House senior living facility in Boston, Massachusetts.