Resource Library

This calculator should be used to determine lighting inputs in WUFI Passive or METr for non-residential projects and non-residential portions of Mixed-Use projects pursuing Phius Certification.

This edition of the Phius Project Spotlight Series highlights the Betty Greene Apartments building, a multifamily project in Boston, Massachusetts.

Phius Alliance Director Jennie Eber introduces new members of the Phius Alliance Executive Council.

View and download state-specific one-page flyers that highlight Phius-related policy advancements and opportunities.

This blog provides an overview of the new Phius Alliance chapter webpages and other resources available on the Phius website.

Phius Policy Specialist Zoe Rader provides updates on Phius policies throughout the country and their impact on project Certification.

Phius Certification Team members Margaret Goetsch and James Ortega answer project questions.

This edition of the Phius Project Spotlight Series highlights the Bush School - Upper School South project in Seattle, Washington.

Phius Certification Manager Al Mitchell discusses climate and weather data relevant to passive building design.

Experienced Phius professional Galen Staengl outlines strategies for addressing make-up air requirements for Phius multifamily projects.