
Zero is the goal. Phius is the means.
Phius is the smartest path to a zero-carbon built environment, certifying the majority of all passive house projects in North America with locally tailored, globally applicable passive building standards. Learn how you can build comfortable, healthy, cost-efficient buildings for a more resilient world.
Phius Standards
The Phius climate-specific passive building standards guide builders to success in designing and constructing passive buildings worldwide. They provide a quality-and-conservation-first framework for net zero building. They're internationally applicable and grounded in building science, best practices, and the quality assurance necessary to deliver optimal results.