About Us

Building for the Future

Phius is a non-profit 501(c)(3) organization committed to decarbonizing the built environment by making high-performance passive building the mainstream market standard. We train and certify professionals, maintain and update the Phius climate-specific passive building standard, certify and quality assure passive buildings, certify high-performance building products and conduct research to advance high-performance building.

All About Phius

It Just Makes Sense

Phius Associate Director Lisa White explains the global applications of Phius

Support Phius

Help keep Phius on the cutting-edge of passive building by supporting our research and programs with a donation.