Phius Project Certification

Phius is the passive building standard, certifying most projects in North America. Learn how to get certified, and explore the wide array of projects that demonstrate how the Phius standard can be applied to any type of building!

Building a Sustainable Future

Build Smarter

A vast majority of certified passive buildings in North America are Phius certified.

Get Certified

Project Certification Overview
Get Started

Be part of the passive building movement in North America. Pre- or schematic design is the best time to start the Phius certification process.

Submit a Project

Submit a Project
View Projects

Phius has certified more than 3,300 units and counting.

Certified Projects Database

Certified Project Database
Our Reach

42 states/provinces and counting are home to a Phius certified project.

Globally Applicable, Locally Tailored

Need Inspiration?

Check out these examples of successful Phius Certified Projects. Phius has certified a wide array of residential and non-residential projects.

Gallatin Passive House

Gallatin, New York

This project was named the top single-family project at the 2021 Phius Passive Project Design Competition.

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425 Grand Concourse

The Bronx, New York

This mixed-use building is the largest building to ever earn Phius certification.

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Ashtree Passive House

Boise, Idaho

Idaho’s first certified passive building has a beautiful view.

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Browse All Projects

Introduction to Certification & National Examples

Hear directly from Phius’ Executive Director, Katrin Klingenberg.

Certify Your Passive Building

Ready to submit your project for Phius certification?
Submit a Project

A zero-carbon future starts right here with our locally tailored, globally applicable passive building standards.

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