Passive House Feasibility Quiz

Score a residential design against PHIUS / PHI Passive House targets across airtightness, R-values, glazing, ventilation, and thermal bridges; get a gap analysis with concrete next steps.

Default scenario

  • Code-plus baseline (3.0 ACH50, R-25 walls, R-50 roof, U-0.27 windows, partial south-glazing, 60% HRV/ERV, partial CI): score 60/100
  • Rating: high-performance — meaningfully above code, but structural changes needed for Passive House
  • Top tiers across all 7 criteria: 100/100 PHIUS-ready

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