It is estimated that 40–52% of total energy consumption in commercial buildings is being used by HVAC systems.
In office buildings HVAC is estimated to be responsible for an average 43% of the electricity used.
Ensuring HVAC systems are well designed for operational needs, and adopted measures to improve efficient operations such as correct zoning, fitted with economisers and/or heat exchangers, installing timers and sensors, and adjusting temperatures can reduce energy consumption of HVAC equipment by up to 40%.
Many businesses have managed to significantly cut their energy use and associated bills by improving the efficiency of their HVAC systems. To find out how, view Sustainability Victoria’s case studies.
Australian Industry Group (AiGroup) has produced a series of excellent short videos on energy efficiency and optimisation for manufacturers which provide practical advice on reducing energy use and saving money. The ‘HVAC’ video is available online.
The Plastics and Chemicals Industries Association (PACIA) has produced a series of 5 Minute Guides to energy efficiency. The guide to ‘Making existing buildings more energy efficient’ provides simple and practical guidance to improve the operation of HVAC systems.
EnergyCut, The 20 Step Guide to Cutting Energy Bills in Your Business, funded by the Federal Department of Industry & Science, presents simple steps to reduce energy use and make businesses more efficient. Refer to pages 161–201 of the document.
The Australian Institute of Refrigeration, Air-conditioning and Heating (AIRAH) is a specialist organisation which represents over 10,000 air-conditioning, refrigeration, heating and ventilation professionals across Australia. Members of AIRAH can help you with advice relating to maintenance, recommissioning, retro-commissioning, controls tuning and advice on equipment replacement. For more information about AIRAH, visit airah.org.au.
The Master Grocers Association has produced information and fact sheets for grocers and supermarkets on energy efficiency including HVAC.
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