Passive House Standard basics

Passive House Standard basics

1. High Levels of Insulation

   • Max U = 0.15w/m2/k

2. Airtight Construction

   • 0.6 ACH
     • Detailing for Airtightness
       • measuring airtightness
         • Blower door test to +50 bar and -50 bar

3. Thermal Bridge Free Design

   • calculating thermal Bridges
     • Max 0.01w/m/K
       • Andrew Lundberg-Thermal Bridge Analysis www. PHAI.ie

4. MHRV

   • Min. 75% efficient

5. Southerly Aspect

   • Max Overheating 10% over 25degrees C
     • Solar shading

6. Triple Glazing

   • Max U 0.8 w/m2/k

7. Heat Load

   • Max 10w/m2

8. Space Heating

   • Max 15kWh/m2/yr
     • PHPP

9. Total Primary energy

   • Max. 120kWh/m2/a
     • PHPP

10. High Quality Workmanship

    • Site Inspections
      • Record of site inspections

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