The majority of energy used in Australia is derived from burning fossil fuels. Fossil fuels have significant environmental impacts associated with their production and conversion into energy. Consequently reducing energy consumption reduces environmental impacts as well as reducing financial costs. There may also be health benefits associated with a reduction in energy consumption.
Insulation also adds to the embodied energy of the building.
The wall area is 115m 2 . The walls and ceiling may be insulated or uninsulated. Apart from the floor, assume the building consistently utilises insulated or uninsulated construction. Sydney is representative of a temperate climate, Townsville is representative of a warm climate. Questions For each of the construction types indicated in the above table, 1.