Resource Library

Phius Certification Manager Al Mitchell answers questions about the WUFI Passive energy modeling software.

The Phius Certification Guidebook is the one-stop-shop for all things related to the Phius project certification program.

This calculator can be used to determine psi-values for 2-D thermal bridges in combination with THERM.

Phius Certification Program Director James Ortega fields questions on WUFI Passive.

Phius Building Certification Manager Haley Harlow fields questions on METr geometry.

The METr launch blog provides an overview of the new energy modeling design tool for Phius projects.

Find past versions of the Phius Performance Criteria calculator.

Learn the basics of METr, the new, cloud-based version of WUFI designed and optimized for Phius passive building projects.

Phius Building Scientist & Certification Manager Al Mitchell outlines modeling processes included in the ASHRAE 209 Building Performance Simulation Process standard and how they can be optimized for use on Phius projects.

Phius Certification Program Director James Ortega and Phius Building Certification Associate Rodrigo Barrios-Piedra answer WUFI Passive questions.