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Ø The insulation of a building's roof and walls comprises a common practice leading to the reduction of both the heating and cooling needs. Concerning the roof insulation, a recent method suggests the green roof adoption. The roof is planted and the action's multiple gains include the roof's insulation, the improvement of the ambient air-quality and the space's exploitation.

Ø By replacing single glazed windows with corresponding double, therefore introducing a comparatively lower U-value, the benefits to obtain derive from both the heating and cooling needs mitigation.

Ø By installing ceiling fans instead of air-conditioners significant electrical consumption may be prevented. The operation of a ceiling fan may ensure comforting conditions even at a temperature of 29oC. A ceiling fan may also prove to be useful if operating in parallel with an air-conditioning system. The electrical consumption for the air-conditioner to operate may be reduced by 28-40%.