Gundaroo Passive House
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House Notes – Gundaroo Passive House
This rural sanctuary comprises of an open plan living, 3 bedroom, 2 bathroom house plus a shed and self contained studio, all with a stylish modern aesthetic.
The home has been built to Passive House standards meaning it performs perfectly in retaining a comfortable interior temperature (relative to the exterior temperature) without any heating or cooling required. The high tech battery operated solar power supply means this home is off grid and completely self sustainable when it comes to the little energy it consumes. The supply of water for the home is through the integrated rain water tank system.
Sustainability Features
- Energy efficiency:
- Draught proofing
Efficient lighting
Efficient appliances
- Passive heating cooling:
- Cross ventilation
Heat recovery ventilation system
Passive solar designed home
Shading
Thermal mass
- Active heating cooling:
- Heat exchange ventilation system
Split system airconditioner
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Rainwater storage - Above ground
Stormwater management
Low flow shower heads
Low flow taps
- Above ground rainwater storage Type:
- Colorbond Water Tank
- Above ground rainwater storage Size
- 104,000L
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
- Window Protection:
- Eaves
Solar pergola
- Sustainable materials:
- This house has been built to Passive House standards and can be quantified through a physics formula in order to read exactly how well the house performs by passive house standards.
- Recycled and reused materials:
- Bricks
- Insulation Type:
- Under-roof
Ceiling
External walls
Floor
- Ceiling Type:
- Bulk – glass wool
- Ceiling Rating:
- R6.0
- Floor Type:
- Bulk - polystyrene board
- Floor Rating:
- R1.0
- Under Roof Insulation Type:
- Reflective Foil & Glass wall bats
- Under Roof Insulation Rating:
- R1.5
- External Walls Rating:
- R4.0
- External Walls Type:
- Bulk – glass wool
- All-Electric Home?
- Yes
- Renewable energy used:
- Energy storage/battery
Solar PV off-grid
- Size of PV system:
- 12kW
- Total cost of home when constructed:
- $580,000
- Cost estimate of sustainable home/features:
- $10,000
- Estimate of annual savings:
- All energy required to run this house is supplied by the sun.
- House Size
- 149m2
- BAL Rating
- BAL – 12.5: Ember attack with heat up to 12.5kW/m2
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
Metal (Colorbond)
- Window and Door Types
- Double glazing
Tilt and turn
180 degree opening doors
- Universal design accessability
- Adaptive design
Multi-generational
Universal access
Wheelchair accessible
- Universal Design Features
- 80cm minimum door opening width
Minimum 110cm wide hallways
No stairs/steps
Shower head on rail for various heights
Slip resistant flooring
Space around toilets for ease of access in wheelchairs
Tapware to be easily accessed from outside the shower
Window openings easily accessible
- Number of bedrooms
- 3
- Number of bathrooms
- 2
- Healthy home features
- Airtight house design
Carpet free - tiles/concrete/timber flooring throughout
Cross flow ventilation
Heat recovery ventilation (HRV)
Low VOC paints/sealer/varnish
Natural light and ventilation
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Paton Constructions
- Designer
- Paton Constructions / Christie Hartfiel
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