Resource Library

The multifamily workbook combines the requirements of all Phius' co-requisite program requirements for Phius Certification and includes all of Phius' quality assurance requirements. It is to be completed by the Phius Certified Verifier on a multifamily project and submitted fully filled out to Phius for final certification.

Below are links to download v2.2 and v2.3, read further to determine which applies to your project.

The window comfort and condensation risk criterion applies to all projects, regardless of size. Use the calculator below to determine the requirements to ensure comfort and minimize condensation risk for your project.

Phius Associate Director Lisa White lays out Phius' plan to release a library of project details.

We asked several experienced Phius professionals for their advice to new Phius CPHCs on project certification and compiled their answers as a resource for those preparing to work on their first project.

Phius Associate Director Lisa White recounts her experience at the ribbon cutting ceremony for the largest Phius certified project to date: 425 Grand Concourse in the Bronx, New York.

Phius Project Certification Manager James Ortega answers project questions.

Phius Project Certifier John Loercher breaks down the Phius 2021 CORE Prescriptive Path.

Phius Associate Director Lisa White provides a guide to one of the most important sections of the Phius Certification Guidebook.

Phius Project Certification Manager James Ortega answers questions related to project certification.