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Sustainable Building: Passive Solar Design

Passive solar design involves the use of solar energy – that is, energy from the Sun – to provide a significant proportion of the heating, cooling and ventilation required by domestic dwellings, and other buildings.

Geothermal Systems

Geothermal energy is generally defined, nowadays, as the available thermal, or heat, energy stored in the Earth’s crust, down to a depth of 3 miles, or so.

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