Factsheet Energy Breakdown - Environment

PEOPLEPRACTICESSYSTEMS1 hvac HESS Heating, Ventilation & Air-Conditioning High Efficiency Systems Strategy September 2013 Heating Ventilation and Air Conditioning ( hvac ) is generally responsible for a significant proportion of total building Energy consumption. A typical system accounts for approximately 40% of total building consumption and 70% of base building ( landlord) consumption. The pie graph in Figure 1 shows the typical Energy consumption Breakdown of an office building, being 39% hvac , 25% lighting, 22% equipment, 4% lifts, 1% domestic hot water and 9% 1: Typical Energy consumption Breakdown in an office building1 There are a number of key end uses in hvac systems. The bar graph in Figure 2 shows the typical end use Breakdown , including:` Fans for air circulation and ventilation account for 34% of hvac Energy consumption` Cooling, most frequently the Energy use of chillers for the production of cooling via chilled water, but also the use of direct expansion cooling systems such as packaged air-conditioners, accounts for 27% of consumption` Heating, most frequently the Energy use of boilers for the production of hot water for heating, but also the use of electric heaters for zonal reheat, accounts for 17% of consumption` Pumps for t

Committee manages the implementation of the HVAC Strategy. This committee is comprised of representatives from Australian, State and Territory Governments. The Strategy takes a whole of life perspective in targeting HVAC efficiency improvement, encompassing the design, manufacture, installation, operation and maintenance stages of the HVAC ...

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