Resource Library

A one-page flyer outlining the Phius-related policies in Colorado as of March 2026.

Phius Certification Manager Al Mitchell answers mechanical system questions.

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

Phius Communications Manager Max Lapthorne, Revolution PR's Jennifer Karkar Ritchie and Phius Building Certification Associate John Loercher share strategies, resources and tools for selling passive building to grow a practice.

Phius Project Certification Program Manager Haley Harlow fields project questions.

Phius Educational Content Manager Sarah Klinetob Lowe details the significant overhaul of the training content for several of Phius' professional certification programs.

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.

Phius Policy Specialist Zoe Rader discusses the basics of state Qualified Allocation Plans and their impact on the adoption of passive building practices.

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.