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Energy reduction for town planning

Buildings without eaves allow for the sun’s maximum penetration, requiring greater air-conditioning. Eaves limit the sun entry, keeping the property cooler.

Insulating mediums laid on ceiling panels are good for reducing heat loss from the living area and minor reduction in heat entry, especially in a cold climate. These methods do little to reduce the living space heat in a hot climate, for a prolonged period, as the heat will have already entered the ceiling space.

The correct method of insulation is reflective foil fitted at the underside of the roof beams. This reflects the heat back to the roof, reducing heat entry to the ceiling space.

Electric hot water services operate 24/7 whether a home is occupied or not and continue to operate even when not in use. Instantaneous gas hot water is available only as required and solar hot water produces free hot water without production impact.

Electric cooking appliances, although improved in performance, are slow to change temperature and therefore cook. Gas is far quicker and for that reason cheaper.

Green space tends to be focused on hills and housing estates generally situated in the valleys or on the flat. This should actually be executed in reverse. The houses on the hills can take advantage of the breezes, reducing the heat load and the green space would flourish more in the protected valleys.

In 1986, the founders of Eco E identified that energy demand would have a major impact on the world by the turn of the century. They recognised that this increasing demand would have an adverse and dramatic impact on the environment.

While many scientific organisations and government agencies globally focused on the development of environmentally friendly energy production methods, the founders took a simple view. They focused on the development of innovative products and systems which minimised energy use to create a reduced demand.

David McDonald is the national business development manager at Eco Energy Group Ltd.

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