The aim of the current dissertation is the analysis of the Energy Efficiency Management (EEM) in
hotel segment in Greece through the answering of a series of research questions and the presentation
of a case study regarding a 5-star hotel in Halkidiki, Northern Greece. The goals and objectives of
the hotel management, through the implementation of an Energy Management System (EMS), are
presented. Moreover, two different approaches for the implementation of the EMS are described
through the literature review, where the first accepts the importance and benefits of EMS and the
other stands on the barriers that prevent its implementation. Regardless of the intention of hotel
owners and managers to implement an EMS in order to increase the energy efficiency, there are a
lot of cases that it is a mandatory for them to follow the European Union (EU) and Greek regulatory
framework and finally install such a system. Furthermore, the three different layers of the EMS
architecture are analyzed presenting also the respective benefits of the usage of each layer. A case
study of a 5-star hotel in Halkidiki is used in order to demonstrate the benefits of the implementation
of such a system. In addition to that, the data of a questionnaire, that the hotel management has
developed, presented and this data in combination with the factors that affect the Return of
Investment (ROI) has been taken into account so as a proper EMS to be designed and installed in
order to maximize the energy efficiency and minimize the payback period. The Return of
Investment (ROI), the Internal Rate of Return (IRR) and the Net Present Value (NPV) were
calculated in order to prove the profitability and the attractiveness of the investment. The importance
of EMS is not limited only to financial indicators but also to the marketing of the hotel since it is
the key factor so as to be green and eco-friendly. Finally, the study includes recommendations
regarding the next investments that should be implemented in order the management to increase
further the energy efficiency and reduce the unnecessary costs as well as the respective conclusions
that are very useful for all the hotel owners that are not obliged to implement such a system and
they doubt whether they should do it or not.
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