Certifications / Passive House

Passive House Certification (PHI / PHIUS)

High-performance building and component certification focused on very low energy demand, airtightness, and thermal comfort.

What Is Passive House?

Passive House standards focus on extremely efficient enclosures, airtight construction, heat recovery ventilation, and high-performance windows and doors.

Why It Matters

For Passive House projects, fenestration performance can determine whether the building meets modeled energy targets. Certified components simplify specification and documentation.

Details

Issuing BodyPassive House Institute (PHI) / Passive House Institute US (PHIUS)

RegionInternational (PHI) / United States (PHIUS)

ValidityProduct-tied; periodic retesting for ongoing certification