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.
Making Phius the mainstream building standard is a multifaceted effort.Mission/Vision
Join the Team
Passionate about passive building? Check out our current job openings.Careers
Our weekly blog features everything from technical papers to policy analysis and organizational updates.Blog
The Phius Difference
What separates Phius from other passive house certifications? We're glad you asked.The Phius Difference
From our Board of Directors to our staff, learn all about the people working to advance Phius' mission.Our People
From constructing the first passive house in North America to setting the passive building standard, see how Phius has evolved over the years.Phius Milestones
Phius Associate Director Lisa White explains the global applications of Phius
Help keep Phius on the cutting-edge of passive building by supporting our research and programs with a donation.