» Gundaroo Passive House

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 AND WATER EFFICIENT 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 & RECYCLED MATERIALS

- 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 SPECIFICATIONS

- 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

RENEWABLE ENERGY SPECIFICATIONS

- All-Electric Home?
- Yes
- Renewable energy used:
- Energy storage/battery
  Solar PV off-grid
- Size of PV system:
- 12kW

COSTS AND COST SAVINGS

- 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 DESIGN SPECIFICATIONS

- 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

- 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

Gundaroo Passive House 2020

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Gundaroo Passive House

Sustainability Features

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