Pillar 5 Mechanical Heat Recovery Ventilation
Passivhaus Pillar No. 5 Mechanical Heat Recovery Ventilation (HRV) The final pillar of passivhaus is Mechanical Heat Recovery Ventilation or HRV. The reason that you need mechanical heat recovery ventilation, or HRV as we call it, in a passivhaus design, is due to a fellow pillar of passivhaus which is air tightness. The house in…