Phius CORE and Phius ZERO are two of the most energy efficient building standards in the country, which means your single-family home is designed to exceed your quality and energy savings goals.
Limits on heating/cooling loads (both peak and annual)
Air-tightness and other prescriptive quality assurance requirements
Limit on overall source energy use
Check out our comprehensive Phius Certification Guidebook to answer any questions you might have.Phius Guidebook
Not sure where to start when it comes to getting your own single-family Phius home built? Take a deep breath, because we are here to help.