Floreat Haus 2 – Passive House principled
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House Notes – Floreat Haus 2 – Passive House principled
This is a Leanhaus project for the Architect’s own family completed in 2022.
Designed with budget and functionality at the forefront – this home is optimised for space, construction and energy efficiency to showcase the lean principles we seek to embed in every Leanhaus project.
The simple plan and roof form is exploited to provided a high raked ceilings and a grand sense of space for a modest footprint.
High levels of insulation, airtightness, double glazing and operable shading contribute to very high comfort levels with very low operating costs. Average internal tempratures in winter are a cosy 22 degrees with no additional heating.
With full timber construction the home was competed in 10 months and has 95% less carbon use over its lifecycle than the benchmark.
SUSTAINABILITY FEATURES
- Energy efficiency:
- Draught proofing
Efficient lighting
Efficient appliances
Energy monitoring
- Passive heating cooling:
- Cross ventilation
Heat recovery ventilation system
Passive solar designed home
Shading
Thermal mass
- Active heating cooling:
- Ceiling fans
Heat exchange ventilation system
Split system airconditioner
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Low flow shower heads
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
- Window Protection:
- Adjustable Shading
Awnings (external)
Shutters
- Sustainable materials:
- Steel Free House
- Insulation Type:
- Under-roof
Internal walls
External walls
- Under Roof Insulation Rating:
- 6
- Internal Walls Insulation Type:
- Bulk – glass wool
- Internal Walls Insulation Rating:
- 2
- External Walls Rating:
- 5
- External Walls Type:
- Bulk – glass wool
- All-Electric Home?
- Yes
- Energy star rating:
- 7.9
- Renewable energy used:
- Solar PV grid connect
- Size of PV system:
- 10
- Average Daily Energy Consumption:
- 1.6
- Total cost of home when constructed:
- 700000
- Cost estimate of sustainable home/features:
- 100000
- Estimate of annual savings:
- 2000
- House Size
- 230
- BAL Rating
- No BAL rating requirements at time of construction
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
Metal (Colorbond)
Timber
- Window and Door Types
- Double glazing
Low-e, films
Sliding windows/doors
Tilt and turn
- Universal design accessability
- Adaptive design
Multi-generational
- Universal Design Features
- 80cm minimum door opening width
Hobless showers
Lever handles for doors (no knobs)
Minimum 110cm wide hallways
- Number of bedrooms
- 5
- Number of bathrooms
- 3
- Waste Reduction Practices:
- Waste free/reduced construction site
- Healthy home features
- Airtight house design
Automated ventilation system
Cross flow ventilation
Heat recovery ventilation (HRV)
Natural light and ventilation
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Truline Construction
- Designer
- Leanhaus
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