» DUNE 1

House Notes – DUNE 1

The Dune showcases all the fundamentals of best-practice energy-efficient design and construction – including good orientation, quality insulation, cross-flow ventilation, double glazing, thermal mass and shading. The result was this 8.7 Star-rated home featuring an 8kW PV system with battery storage.

The combination of these elements of sustainability, energy efficiency and on-site clean energy generation will ensure this home is ‘energy positive’ – generating a surplus of clean energy on an annual basis. The capacity for the occupants to close down half the home while other members of the family are away further reduces the costs of living.

Housing the fridge and Sanden heat pump together allows heat generated from these appliances to dry clothes on inclement days. Air locks to control temperature, clever roof design for rainwater harvesting and easy access to solar panels all help create a home that virtually ‘pays its owners to live in it’.

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Sustainability Features

ENERGY AND WATER EFFICIENT FEATURES

- Energy efficiency:
- Draught proofing
  Efficient lighting
  Efficient appliances
  Energy monitoring
- Passive heating cooling:
- Cross ventilation
  Passive solar designed home
  Shading
  Thermal mass
- Active heating cooling:
- Ceiling fans
  Split system airconditioner
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Low flow shower heads
- Average water consumption per day:
- 20kL
- Energy Efficient Lighting
- LED lights throughout
  Natural daylight
- Window Protection:
- Awnings (external)

INSULATION SPECIFICATIONS

- Insulation Type:
- Under-roof
  Ceiling
  Internal walls
  External walls
  Floor
- Ceiling Type:
- Bulk – cellulose fibre
- Ceiling Rating:
- R5.8
- Floor Type:
- Bulk - polystyrene board
- Floor Rating:
- R1.5
- Internal / External Walls Type:
- Cement blockwork, plaster cement sheet panel
- Internal / External Walls Rating:
- Internal R2.7, external R3.3
- Under Roof Insulation Type:
- Roof Blanket
- Internal Walls Insulation Type:
- Reflective insulation
- Internal Walls Insulation Rating:
- R2.7
- External Walls Rating:
- R3.3
- External Walls Type:
- Bulk – cellulose fibre

RENEWABLE ENERGY SPECIFICATIONS

- All-Electric Home?
- Yes
- Energy star rating:
- 8.7 Stars
- Renewable energy used:
- Solar PV grid connect
- Size of PV system:
- 8 kW
- Average Daily Energy Consumption:
- nil

COSTS AND COST SAVINGS

- Total cost of home when constructed:
- $420,000
- Cost estimate of sustainable home/features:
- $20,000
- Estimate of annual savings:
- $3500

HOUSE DESIGN SPECIFICATIONS

- House Size
- 171m2
- BAL Rating
- BAL – Low: There is insufficient risk to warrant specific construction requirements
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
  Timber
- Wall Materials
- Cement sheeting
- Window and Door Types
- Awning
  Double glazing
  Low-e, films
  Sliding windows/doors
- Universal design accessability
- Adaptive design
  Multi-generational
- Universal Design Features
- 80cm minimum door opening width
  Hobless showers
  Lever handles for doors (no knobs)
  No stairs/steps
  No Corner cupboards
  Shower head on rail for various heights
  Window openings easily accessible
- Number of bedrooms
- 3
- Number of bathrooms
- 2

GARDEN AND WASTE REDUCTION

- Garden / Outdoors
- Composting
  Edible garden
  Organic
  Permaculture
  Native plants
  Water wise plants
- Waste Reduction Practices:
- Compost all food scraps
  Recycle
  Repair
  Swap with friends and neighbours

HEALTHY HOME FEATURES

- Healthy home features
- Cross flow ventilation
  Indoor plants for air filtration
  Low VOC paints/sealer/varnish

DUNE 1 2020

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House Notes – DUNE 1

Sustainability Features

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