Whether your project is a new construction or a retrofit office building, it is important to understand the Phius standards and be familiar with the certification process prior to the design phase.
The Three Pillars of Phius Certification Standards
Phius is a pass/fail passive building standard. For the CORE and ZERO options, it remains a “performance-based” energy standard that also includes prescriptive quality assurance requirements adopted from various U.S. government programs.
Limits on heating/cooling loads (both peak and annual)
Air-tightness and other prescriptive quality assurance requirements
Limit on overall source energy use
Want More Details?
Check out our comprehensive Phius Certification Guidebook to answer any questions you might have.