Guidelines for using SketchUp with WUFI® Passive V26.1.0
Consider this a guide for beginners and experienced modelers alike. Phius' certification team put together this outline of helpful modeling tips, tricks and general information on getting the geometry of a building from SketchUp into WUFI Passive.
2026 Phius Passive Projects Design Competition Searches for the Best
Phius Communications Manager Max Lapthorne announces the opening of the Phius Passive Projects Design Competition and provides details on the competition.
Mechanical Office Hours | July 2026
Phius Certification Program Director James Ortega answers mechanical questions.
New NYSERDA Program Offers $25 Million for Commercial Projects in New York
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.
Thermal Bridge Mitigation Webinar
Phius Certification Program Director James Ortega outlines strategies for mitigating thermal bridging on passive building projects.
A Midwestern Goodbye
Former Phius Certification Manager Al Mitchell shares parting thoughts on the passive building industry and reflections on his time at Phius.
The Hidden Opportunity in a Changing Climate
Phius Co-Founder & Co-Executive Director Katrin Klingenberg examines the value proposition of building resilience within the context of recent severe storms in Chicagoland.
Phius Temperature Reduction Factor & Auxiliary Space Heating Estimator
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.
June 2026 Project Spotlight: Edogawa Passive House
This edition of the Phius Project Spotlight Series highlights the Edogawa Passive House in Tokyo, Japan.
METr Office Hours | June 2026
Phius Certification Team members Haley Harlow and Rodrigo Barrios-Piedra answer questions on the METr energy modeling software tool.