Resource Library

Phius Building Certification Manager & Policy Specialist Zoe Rader details how team members on Phius projects can take advantage of financial incentives offered by a new program in New York.

Phius Certification Program Director James Ortega outlines strategies for mitigating thermal bridging on passive building projects.

Former Phius Certification Manager Al Mitchell shares parting thoughts on the passive building industry and reflections on his time at Phius.

Phius Co-Founder & Co-Executive Director Katrin Klingenberg examines the value proposition of building resilience within the context of recent severe storms in Chicagoland.

This estimator may be used to determine a lower temperature reduction factor than the default of 0.95 and the associated additional energy use for attached zones outside of the thermal and airtight envelope that are conditioned to a lower setpoint temperature than the certified portion of the building.

This edition of the Phius Project Spotlight Series highlights the Edogawa Passive House in Tokyo, Japan.

Phius Certification Team members Haley Harlow and Rodrigo Barrios-Piedra answer questions on the METr energy modeling software tool.

With another Phius Trades Training class on the horizon, this blog examines the importance of building up a skilled trades workforce.

Phius Communications Manager Max Lapthorne discusses the start of ticket sales for PhiusCon 2026 and the organization's focus on the event.

Phius Certification Manager Al Mitchell covers how to understand common outputs from WUFI Passive and METr as well as useful optimization tips.