For what concern the summer period we can study some different type of strategies to reduce energy for cooling system.
CONDUCTION
Consider conduction strategies we can use the envelope, like walls and roofs, to improve the thermal resistance and limit the conduction phenomena of heat through envelope; we can do this increasing the thickness of insulation, or using a better type of insulating material, also the type of glass and the frame is important to limit conduction through window, using also thermal break. But increase the insulation thickness is not convenient, because temperature never fall down to a low value so it can be a waste of money; a better strategy in this type of climate can the micro ventilation, we can create a little thickness in walls and roofs to permit the air to circulate, this can be very useful because the heat reaching the external surface is firstly stopped by an external skin, next a good part of the heat transfer through the wall is remove by micro ventilation, so without any type on insulator and without thermal mass we can reduce a lot heat gains for conduction.
VENTILATION