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Passive House (Passivhaus)

Updated Mar 25, 2026
Ultra-low energy: super-insulation, airtightness <=0.6 ACH50, heat recovery ventilation.

Rigorous standard: heating <=15 kWh/m2/yr. 5 principles: super-insulation, no thermal bridges, airtight, triple-pane windows, HRV >=75%. 5-15% cost premium. 65,000+ certified units.

TAGS
passive-housePassivhausenergy-efficientairtight
DETAILS
era
1991-present
airtightness
0.6 ACH50
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