Marty’s Off-Grid House 2025

Marty’s Off-Grid House

Featured in March 2019 issue of Renew Magazine this house is a continuously evolving experiment with technology and solar power generation. Go here to read article https://renew.org.au/renew-magazine/off-grid/off-grid-in-the-suburbs/.

Sustainability Features

Years Open
2024
2025
ENERGY AND WATER EFFICIENT FEATURES
    • Energy efficiency:
    • Efficient appliances
      Energy monitoring
    • Passive heating cooling:
    • Passive solar designed home
    • Active heating cooling:
    • Ceiling fans
    • Water heating:
    • Solar hot water (evacuated tube)
    • Water harvesting and saving features:
    • Rainwater storage - Above ground
    • Above ground rainwater storage Type:
    • 9,000 litres
    • Energy Efficient Lighting
    • LED lights throughout
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Placement and location of windows
    • Recycled and reused materials:
    • Light fixtures / fittings
      Steel frame
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Ceiling
      Internal walls
      External walls
    • Ceiling Type:
    • Bulk – natural wool
    • Ceiling Rating:
    • 2.5
    • Internal Walls Insulation Type:
    • Bulk – polyester
    • Internal Walls Insulation Rating:
    • 2.5
    • External Walls Rating:
    • 2.5
    • External Walls Type:
    • Bulk – polyester
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • No
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
      Solar PV off-grid
    • Size of PV system:
    • Several systems, two off-grid, one grid connect
COSTS AND COST SAVINGS
    • Cost estimate of sustainable home/features:
    • $24K
    • Estimate of annual savings:
    • 100%
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 400m2
    • Roof
    • Metal (Galvanised)
    • Wall Materials
    • Lightweight construction (steel frame)
    • Number of bedrooms
    • 4
    • Number of bathrooms
    • 2
GARDEN AND WASTE REDUCTION
    • Garden / Outdoors
    • Composting
      Drip irrigation
      Frog friendly
      Native plants
      Wicking beds
      Worm farm
    • Waste Reduction Practices:
    • Compost all food scraps
Location
Bellevue WA 6056
    • Housing Type:
    • Standalone House
    • Project Type:
    • Continual Improvement
    • Builder
    • Martin Chape
    • Designer
    • Martin Chape

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