This article summaries features and opportunities for maximising the sustainable design features of a building.
- Passive solar design – thermal mass, north facing (southern hemisphere) or south facing (northern hemisphere) glass with shading systems.
- Use recycled content (e.g. GB slag blend) for concrete slabs.
- Use materials with low embodied energy
- Plantation or recycled timber only.
- Pendant lighting – Compact fluoro or LED lighting. Use motion sensitive switches to activate and turn off where appropriate.
- Energy generation: Solar panels, wind power, micro hydro, depending on location.
- Solar hot water with electric boosting
- Rainwater collection system and tanks (10,000 litres per bedroom)
- Double glazing for windows
- Triple glazing for roof windows
- Low toxicity paints and floor finishes
- Insulation – roof, wall and floor
- Energy efficient appliances – 5 star or better (dishwasher, fridge, stove, airconditioner if fitted)
- Grey water treatment system or diversion to garden
- Low water garden
- Food garden
- Cross flow ventilation
- “Solar chimney” incorporated in design to naturally vent hot air
- Appropriate sizing of rooms and overall building.
- Two or three storey configuration (e.g. cellar, living level, loft) to minimise footprint of dwelling.
- Ceiling fans for cooling.
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