Passive Prefab Studio 2024

House Notes – Passive Prefab Studio

In collaboration with Evan Graham Master Builder we have developed a prefabricated dwelling that incorporates Passive Haus and building biology principles to provide occupants with a healthy, comfortable, low impact living solution. It incorporates low toxic finishes, a constant supply of fresh filtered air (even when the windows are closed), acoustic ceilings and Australian made products. The design has been conceived in response to sky-rocketing building costs, a desire to streamline quality architecture and high-performance healthy homes and create a high value offering at a reasonable cost.

The Dwellings are highly efficient and require minimal energy to heat and cool – reducing the need for energy input by up to 90%. When the weather is comfortable outside, the occupants can open all windows and doors and allow breezes to circulate through. When external air quality is poor (pollution, pollens, bushfire smoke) or the temperature rises or falls to extremes the occupants can close the windows and doors and receive constant fresh filtered air whilst keeping the internal air temp at a comfortable constant with minimal energy.

The dwellings are completely constructed out of timber (excluding roof sheeting and footings/piers) and have a minimal carbon footprint. Due to the method of construction in the workshop, there’s minimal wastage produced during construction – any wastage created is non toxic. There are minimal toxic glues or products included in construction – increasing the recyclability and reuse of materials if the dwelling were to be dismantled at its end of life. The dwellings are low impact – having the ability to be transported/moved at a later date, leaving the original site available for regeneration.

Sustainability Features

Years Open
2024
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
    • Active heating cooling:
    • Split system airconditioner
    • Water heating:
    • Hot water heat pump
    • Water harvesting and saving features:
    • Low flow taps
    • Average water consumption per day:
    • NA - temporary Display
    • Energy Efficient Lighting
    • LED lights throughout
      Natural daylight
    • Window Protection:
    • Eaves
SUSTAINABLE & RECYCLED MATERIALS
    • Sustainable materials:
    • Air construction including: - Multi point locks on doors and windows with air tight seals - Timber window frames and thermal bridge free construction - Designated air tightness barrier internally. - Continuous vapour permeable weather tight barrier and vented floor, wall and roof cavity.
INSULATION SPECIFICATIONS
    • Insulation Type:
    • Ceiling
      External walls
      Floor
    • Ceiling Type:
    • Bulk – glass wool
    • Ceiling Rating:
    • R5.4
    • Floor Rating:
    • R4.0
    • External Walls Rating:
    • R2.7
    • External Walls Type:
    • Bulk – glass wool
RENEWABLE ENERGY SPECIFICATIONS
    • All-Electric Home?
    • Yes
    • Renewable energy used:
    • Energy storage/battery
      Solar PV grid connect
    • Size of PV system:
    • 3
    • Average Daily Energy Consumption:
    • NA - temporary Display
COSTS AND COST SAVINGS
    • Total cost of home when constructed:
    • 250,000
    • Cost estimate of sustainable home/features:
    • 250,000
    • Estimate of annual savings:
    • NA - temporary Display
HOUSE DESIGN SPECIFICATIONS
    • House Size
    • 25m2
    • BAL Rating
    • BAL – 19: Increasing levels of ember attack and ignition of debris with a heat flux of up to 19kW/m2
    • Roof
    • Metal (Zincalume)
    • Wall Materials
    • Lightweight construction (timber frame)
    • Window and Door Types
    • Awning
      Double glazing
      Low-e, films
    • Universal design accessability
    • Multi-generational
    • Universal Design Features
    • 80cm minimum door opening width
      Hobless showers
      Lever handles for doors (no knobs)
      Pull out shelving easily accessible in wheelchairs
      Pocket doors so that cabinet doors are out of the way
    • Number of bedrooms
    • 1
    • Number of bathrooms
    • 1
GARDEN AND WASTE REDUCTION
    • Waste Reduction Practices:
    • Recycle
      Waste free/reduced construction site
HEALTHY HOME FEATURES
    • Healthy home features
    • Airtight house design
      Automated ventilation system
      Carpet free - tiles/concrete/timber flooring throughout
      Chemical free cleaning products used
      Cross flow ventilation
      Formaldehyde free cabinets
      Heat recovery ventilation (HRV)
      Low VOC paints/sealer/varnish
      Natural fibre furnishings
      Natural light and ventilation
      Natural oil sealer/finishes
      VOC free paints/sealer/varnish
      Wax based sealer/finish
Location
Glendale NSW 2300
    • Housing Type:
    • Tiny Home - Transportable
    • Project Type:
    • New Build
    • Builder
    • Evan Graham Master Builder
    • Designer
    • Studio Dot Architecture & Interiors

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