Sustainable house portland

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This home is being designed by Energised Homes as a fully self-reliant project.

The goal of this project is to raise awareness and interest in self-reliant housing. To support this, Energised will build a concept style house with the following features:

Very-efficient with 7.6 house energy rating (HER) stars. This means it uses only 93MJ/m2 of energy to heat and cool per year, which is 47% of the energy used to heat and cool than a 5-star house (192MJ/m2), and only 18% of the energy used to heat and cool an average (2-star) house (493MJ/m2). The maximum in the Australian system is 10-stars, and is defined as never needing artificial heating, cooling, or ventilation. On the South-West coast of Victoria this is 2MJ/m2 which is regarded as being impossible to achieve due to our climate, and 8.5-stars is accepted as the maximum achievable rating for this region.

Fit out with very low energy consumption appliances (solar hot water, low consumption whitegoods, etc)

Use rainwater tanks to collect stormwater to supply all or the vast majority of the house’s needs

Install grey wastewater management system to recycle as much wastewater as possible

Generate enough electricity through solar photovoltaic panels (and possibly wind) to drive the house's needs for an estimated net benefit of at least $1,000 per year over an average house. This is based on zero power bills plus payments from surplus energy grid feed-in tariff.

Use only sustainable building materials and practices, such as only using plantation and/or recycled timbers, low toxin glues/paints, etc. Also each material/practice’s embodied energy to be as low as possible.

Site the house with productive permaculture principles, to incorporate food production (vegetables, fruit, and eggs), and native wildlife refuges.

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