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The IUP Journal of Mechanical Engineering
Practical Energy Conservation Methodologies for HVAC Systems
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Heating Ventilation and Air Conditioning (HVAC) systems are ubiquitous. Up to 40% of energy consumption in a building goes out on account of HVAC systems and thus it becomes a vital focus area for any initiative to improve energy efficiency. This has become imperative due to the increasing focus on curtailing rising costs and reducing CO2 footprint of the industry. Thus, finding ways to decrease the energy consumption is a continuous process and one that reaps rewards in more than one way. The need to ensure the integrity of systems housed in the building, be it sensitive electronic process control panels or computer servers, while implementing energy conservation measures, adds an element of process risk and requires a thorough study before any such implementation. The paper discusses some innovative case studies, some of which were part of National Award winning energy-efficiency measures in India, where one of the (Principal) authors was directly responsible for implementation. The focus is on practical and economical solutions that can be implemented immediately without resorting to complicated concepts like networked sensors or fuzzy logics.

 
 

Energy is used in the industrial and service sectors for a wide range of purposes such as process and assembly, steam and cogeneration, process heating and cooling, and lighting, heating and air conditioning for buildings. Among different consumers, Heating Ventilation and Air Conditioning (HVAC) systems are one of the biggest consumers of this energy. US EIA (2016) identified that up to 40% of the energy consumption in a building goes on account of HVAC systems. Thus it becomes a vital focus area for any initiative to improve energy efficiency. This has become imperative due to the increasing focus on curtailing rising costs and reducing carbon dioxide (CO2) footprint of the industry.

 
 

Energy conservation, Heating Ventilation and Air Conditioning (HVAC), Energy saving, Efficiency, Packaged AC