Analysis of Factors Influencing the Performance of HVAC Retrofits

Shuo Chen (), Guomin Zhang and Sujeeva Setunge
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Shuo Chen: RMIT University
Guomin Zhang: RMIT University
Sujeeva Setunge: RMIT University

Chapter Chapter 18 in Proceedings of the 19th International Symposium on Advancement of Construction Management and Real Estate, 2015, pp 205-217 from Springer

Abstract: Abstract Existing Heating, Ventilation and Air Conditioning systems (HVAC) are faced with an escalated rate of obsolescence. In order to attract and maintain long-term tenants, building owners need to improve their assets and provide living space with excellent environmental credentials. As global warming has been recognized as a key issue in recent years, rapid enhancement of energy efficiency of existing HVAC is essential for a timely reduction in global energy use and promotion of environmental sustainability. Thus, HVAC retrofitting or refurbishment is identified as one of main approaches to improve the energy efficiency and reduce the greenhouse gas emissions. Various new retrofit technologies have emerged to improve the HVAC performance, but the outcomes present difference from expected, with some succeeded and some failed to meet the expected targets. This has given rise the so-called “gap” between the expected and actual performance of retrofitted HVAC. In order to close this gap in a real project, a questionnaire survey is conducted in this paper to identify the critical success factors (CSFs) during the planning, design, installation, operation and maintenance phases of HVAC retrofits. The results can help decision-makers to identify an optimal solution between alternatives, which presents the maximum green performance of retrofitted HVAC.

Keywords: Existing HVAC; Retrofit; Critical success factors (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/978-3-662-46994-1_18

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