The Heights Whare Wānaka

House Profile
Project Team
Architecture Virginia Barlow Architecture - vbalimited.co.nz
Passive House Design Sarah Allen
Builder Davidson Building Limited
Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz
Passive House Metrics
- Heating Demand29.2 kWh/m2/year
- Heating Load16.5 W/m2
- TFA86m2
- Form Factor4.4
- Air leakage @ 50Pa0.6 ACH/hour
- PER demand73.4kWh/m2/year
Passive House Database - TBA
Construction Details Average Values
- U-value External Walls 0.20 W/(m2K)(R5.04)
- 140mm wall with R4.1 Kanuf batts / Intello air control layer / 45mm Cavity with R1.2 Terra Lana batts / plasterboard
- U-value Floor0.15W/(m2K)(R6.53)
- Concrete slab on grade with 200mm Expol EPS platinum with graphite
- U-value Roof 0.08W/(m2K)(R11.82)
- Parallel chord truss and raked ceiling with R5.2 Knauf batts / Intello air control layer / 45mm service cavity with R1.2 Terra Lana batts / plasterboard
- U-value Glass0.52 W/(m2K)(R1.92)
- Thermadura Climaguard Premium2 (4:/20/4/20/:4 90% Ar)
- U-Windows0.9 W/(m2K)(R1.1)
- Thermadura Natureline 90 timber frames
- Ventilation Efficiency 85%
- Zehnder ComfoAir Q350 HRV


Photo credits to Mickey Ross

Photo credits to Mickey Ross