Resource Library

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

Phius Certified Consultant Trainer Ryan Abendroth answers WUFI Passive questions.

Phius Project Certification Manager Al Mitchell breaks down the newly developed REVIVEcalc tool used for REVIVE 2024 project certification.

In 2025, a new version of WUFI Passive will be released that includes all Phius CORE 2024 and Phius ZERO 2024 updates. Until then, follow instructions in this document to model your project under either path.

Calculates a peak/design latent load, dehumidification load, for the purpose of sizing dehumidification equipment. The calculation is in accordance with the ASHRAE Handbook of Fundamentals.

Honeybee-PH 3D Building Information Model Interface developer Ed May explains how the tool solves some of the most common passive building challenges.

Phius trainer and Phius Certified Consultant Ryan Abendroth answers WUFI Passive questions.

Phius Project Certifier Al Mitchell reflects on his experience at the 2023 ASHRAE Building Performance Analysis Conference in Austin, Texas.

This calculator should be used to determine the 'Mechanical Room' temperature when a mechanical ventilation device is located outside of the thermal envelope. (eg. the roof)

Phius Associate Director Lisa White and Phius Project Certification Manager James Ortega highlight some key changes in the new version of WUFI Passive.