Buildings are one of the most significant infrastructures in modern societies. Theudconstruction and operation of modern buildings consume a considerable amount of energy andudmaterials, therefore contribute significantly to the climate change process. In order to reduce theudenvironmental impact of buildings, various green building rating tools have been developed. Inudthis paper, energy uses of the building sector in Australia and over the world are first reviewed.udThis is then followed by discussions on the development and scopes of various green buildingudrating tools, with a particular focus on the Green Star rating scheme developed in Australia. It isudshown that Green Star has significant implications on almost every aspect of the design of HVACudsystems, including the selection of air handling and distribution systems, fluid handling systems,udrefrigeration systems, heat rejection systems and building control systems.
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