Resource Library

Phius is hosting the first-ever Phius Foundations Live! event May 29 in Tucson, Arizona, a one-day event designed to bring introductory passive building content to the local community.

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 blog defines Phius' guidelines for the performance verification of constant air volume devices on projects pursuing Phius Certification.

Phius Communications Manager Max Lapthorne discusses messaging strategies for introducing passive building to newcomers.

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

Phius Senior Policy Analyst Isaac Elnecave provides a recap from the recent PH Mass Symposium and Phius Policy Specialist Zoe Rader offers a recap of other appearances and achievements of the Phius policy team in 2025.

Four Phius department heads reflect on accomplishments from 2025 and look ahead to 2026.

An outline of opportunities for giving to support the Phius mission during the giving season.

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