How do you obtain PHI certification and monitor performance?
Design of a certified Passivhaus building

The process of obtaining the certification is a rigorous procedure centered on verifying strict performance criteria. It requires close collaboration between the project management team and a PHI-accredited certifier from the earliest stages. The main steps in the process are as follows.

• Engagement and selection of the certifier: appointment of an independent certifier accredited by the PHI as early as the ESQ/APS phase (preliminary sketch/preliminary design).

• Initial PHPP modeling (design): Comprehensive entry of the building’s characteristics into the PHPP (Passive House Planning Package) software. This software model serves as the definitive reference and validates the choices regarding orientation, insulation, glazing, and ventilation.

• Design audit (construction drawings): Before construction begins, the certifier reviews the construction details...