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Passive solar design |
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The Passivhaus standard stipulates that buildings that comply with the standard should require a maximum of 15kWh/sqmyr heating and a total maximum primary energy of 120kWh/sqmyr, while providing a comfortable environment. Having reduced the energy requirements to their minimum by designing the building fabric appropriately, the energy required to run the building can then more realistically be generated by renewable energy sources. This approach can result in a zero CO2 building in respect of operating energy. Following our experience of researching, designing and building two Passivhaus standard flats and one zero CO2 flat we can now advise clients and designers on how to achieve both standards. In particular we can advise on:
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Insulated building fabric |
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Airtight construction | ||||
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Mechanical ventilation with heat recovery | ![]() |
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Renewable energy sources |