No Air Conditioning Provided (Passive Cooling)

Passive cooling design -

With a high star rating there would typically be few days during which occupants would consider inside temperatures in Melbourne to be too hot.  With good passive design and insulation, homes with no air conditioning and with additional fans / openable windows would be comfortable for most people.

Houses should be designed for passive cooling which includes - reducing barriers to air paths through the building (open plan - equal sized windows at either end of a house) - providing paths for warm air to exit the building no high level fencing - at least 20% of the site planted with dense large shrubs and canopy trees (80% near main air paths) - water features to allow for evaporative cooling.

Your Home Technical Manual