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Proceeding Paper

Toward Sustainability: Interventions for Implementing Energy-Efficient Systems into Hotel Buildings †

1
Department of Management Studies, Vivekananda Global University, Jaipur 303012, Rajasthan, India
2
Department of Business Administration, School of Business and Commerce, Manipal University Jaipur, Jaipur 303007, Rajasthan, India
3
Department of Mechanical Engineering, Vivekananda Global University, Jaipur 303012, Rajasthan, India
*
Author to whom correspondence should be addressed.
Presented at the 3rd International Electronic Conference on Processes—Green and Sustainable Process Engineering and Process Systems Engineering (ECP 2024), 29–31 May 2024; Available online: https://sciforum.net/event/ECP2024.
Eng. Proc. 2024, 67(1), 80; https://doi.org/10.3390/engproc2024067080
Published: 29 November 2024
(This article belongs to the Proceedings of The 3rd International Electronic Conference on Processes)

Abstract

:
The hospitality industry, particularly hotels, is increasingly emphasizing the dual goals of sustainability and cost optimization to align with global environmental objectives and enhance operational efficiency. The current study comprehensively explores sustainable energy solutions tailored for hotel buildings, utilizing insights drawn from a review of the relevant literature, analysis of industry data, and an examination of real-world case studies. The study begins by assessing the energy consumption patterns of hotels and the environmental implications of reliance on conventional energy sources. It then delves into various sustainable energy systems designed to mitigate these impacts, including solar photovoltaic panels, geothermal heating and cooling technologies, energy-efficient lighting solutions, and advanced smart building management systems. These interventions demonstrate significant potential to reduce energy expenses and carbon emissions while simultaneously enhancing guest satisfaction through improved comfort and environmentally friendly practices. Furthermore, the research highlights critical factors that facilitate the adoption of sustainable energy systems in the hotel industry. These include active stakeholder participation, adherence to regulatory frameworks, and the availability of financial incentives, such as subsidies or tax benefits. This study also identifies substantial barriers to implementation, such as the high initial investment costs, technological challenges in retrofitting existing infrastructures, and cultural resistance to adopting new practices within organizations. The findings underscore the importance of a holistic approach to energy sustainability in hotels, advocating for a collaborative effort among industry stakeholders, policymakers, and technology providers. By addressing these challenges and leveraging the identified opportunities, hotels can transition toward more energy-efficient operations, contributing meaningfully to environmental preservation and achieving long-term economic benefits.

1. Introduction

In the modern era, the hospitality industry is increasingly recognizing the critical importance of environmental responsibility alongside traditional goals of guest satisfaction and cost efficiency [1,2,3]. As global awareness of climate change and environmental degradation grows, hotels are under mounting pressure to adopt sustainable practices that mitigate their environmental impact [4]. Energy consumption is a significant aspect of a hotel’s operational footprint, with substantial implications for both operational costs and environmental sustainability. Thus, the implementation of energy-efficient systems within hotel buildings has emerged as a pivotal area for intervention [5,6]. Table 1 shows the data of energy consumption, costs, and greenhouse gas emissions of hotel buildings worldwide reported by different agencies and organizations, such as Greenview’s “Global Hotel Energy Benchmarking Initiative” [7], the International Energy Agency (IEA) [8], the World Resources Institute (WRI) [9], the World Bank [10], and CBRE [11].
The hospitality sector’s commitment to sustainability is not merely a trend but a necessity driven by both ethical imperatives and economic benefits [14]. Hotels, by their very nature, are energy-intensive, with substantial consumption required for heating, cooling, lighting, and various guest services [15]. Traditional energy sources, predominantly fossil fuels, contribute to high greenhouse gas emissions and environmental degradation [16]. Consequently, there is an urgent need to transition to sustainable energy systems that can provide reliable, efficient, and environmentally friendly alternatives [17].
The objective of this study is to explore the array of sustainable energy interventions suitable for hotel buildings, providing a comprehensive synthesis of the existing literature, industry reports, and practical case studies. This study presents the potential benefits of adopting energy-efficient technologies by examining the current energy consumption patterns and the associated environmental impacts of traditional energy sources in hotel operations, as shown in Table 1.
The key sustainable energy systems under consideration include solar photovoltaic panels, geothermal heating and cooling systems, energy-efficient lighting, and advanced smart building management systems [18,19,20]. These technologies not only offer the promise of reduced energy costs and lower carbon footprints but also enhance the overall guest experience through improved comfort and service efficiency [21].
This study also identifies crucial interventions and best practices for integrating these sustainable energy systems into hotel operations. Beyond technological upgrades, it emphasizes the significance of behavioral changes, such as conducting regular energy audits, implementing employee training programs, and engaging guests in sustainability initiatives [22,23,24,25]. Furthermore, the importance of stakeholder collaboration, regulatory compliance, and the availability of financial incentives are discussed as critical factors driving the adoption of these systems [14,26,27].
The transition to energy-efficient systems is not without its challenges. Hotels face barriers, such as high upfront costs, technical complexities, and cultural resistance to change [28]. This study discusses strategies to overcome these obstacles, including leveraging financing options, conducting feasibility studies, and fostering a culture of sustainability within hotel management and staff.
This study underscores the urgent need for sustainable energy interventions in hotel buildings to reduce environmental impacts, cut operating expenses, and enhance long-term competitiveness. By adopting energy-efficient systems and fostering a sustainability-oriented culture, hotels can achieve significant cost savings and contribute meaningfully to global sustainability efforts.

2. Research Background

The hospitality industry has long been recognized for its substantial energy consumption, driven by the need to provide continuous services and comfort to guests [29]. Traditionally, hotels rely heavily on conventional energy sources, escalating operational costs and contributing significantly to environmental degradation through high carbon emissions [30]. This backdrop necessitates a shift toward sustainable energy practices to mitigate environmental impacts and achieve long-term economic benefits.

2.1. Global Energy Consumption in the Hospitality Sector

Energy consumption in the hospitality sector varies significantly depending on the region, hotel size, and the range of services offered [31]. On average, hotels consume energy at a rate three to six times higher than other commercial buildings. Key energy-consuming activities include heating, ventilation, air conditioning (HVAC), lighting, laundry services, and food and beverage operations [20]. As per the International Energy Agency (IEA), the global hotel industry accounts for approximately 1% of total global energy consumption, highlighting the sector’s significant energy footprint.

2.2. Environmental Impact and Sustainability Imperatives

The reliance on fossil fuels for energy needs in hotels leads to substantial greenhouse gas (GHG) emissions. According to the World Tourism Organization (UNWTO), the accommodation sector, including hotels, is responsible for about 21% of tourism’s total carbon footprint [32]. This environmental impact, growing regulatory pressures, and consumer demand for sustainable practices have spurred the hospitality industry to seek greener alternatives [33].
The triple-bottom-line (TBL) concept of sustainability emphasizes the integration of environmental, economic, and social considerations, and its application can significantly benefit hotels [34]. By aligning TBL principles with energy-efficient processes and interventions, hotels can enhance their overall sustainability and operational effectiveness [25]. Energy-efficient practices, such as adopting renewable energy systems, LED lighting, and smart building management technologies, reduce a hotel’s environmental impact by lowering greenhouse gas emissions and resource consumption [20,35,36]. These interventions help conserve energy and contribute to achieving global sustainability goals. Energy-efficient systems, though requiring upfront investment, result in substantial cost savings over time by reducing energy expenses and improving operational efficiency [37,38]. Additionally, hotels that demonstrate sustainability attract eco-conscious guests, increasing market competitiveness and revenue [39]. Programs like green certifications also enhance brand value and guest loyalty [40]. Sustainable energy interventions improve guest and employee satisfaction by fostering a healthier, more comfortable environment [41,42,43]. For example, smart HVAC systems can enhance indoor air quality while saving energy. Hotels can also strengthen community ties by sourcing energy locally, supporting clean energy projects, and engaging guests in sustainability programs [44].
By implementing energy-efficient interventions, hotels achieve TBL objectives of holistically minimizing environmental impacts, optimizing economic performance, and contributing to social well-being [45]. These efforts make hotels more resilient, competitive, and aligned with global sustainability priorities. Sustainability has evolved from a niche consideration to a central strategic priority within the hospitality industry [46]. Hotels are increasingly recognizing that adopting sustainable practices is not only ethically necessary but also economically advantageous [47]. Enhanced energy efficiency can lead to significant cost savings, improve brand reputation, and attract environmentally conscious customers [46].

2.3. Technological Advancements in Sustainable Energy Systems

Recent advancements in technology have made it feasible for hotels to integrate energy-efficient systems into their operations. Solar photovoltaic (PV) panels, geothermal heating and cooling systems, energy-efficient LED lighting, and smart building management systems represent some of the most promising technologies [48]. These systems offer substantial reductions in energy consumption and operational costs while minimizing environmental impact [17].
Solar PV panels, for instance, harness renewable solar energy to generate electricity, significantly reducing dependency on fossil fuels. Geothermal systems provide efficient heating and cooling by leveraging the earth’s stable temperatures, offering a sustainable alternative to traditional HVAC systems. Energy-efficient lighting solutions, such as LED bulbs, consume less energy and have longer lifespans compared to conventional lighting. Smart building management systems optimize energy use by monitoring and controlling various building functions in real time, enhancing overall efficiency [49].

2.4. Case Studies and Industry Reports

Numerous case studies and industry reports provide evidence of successful implementations of sustainable energy systems in hotel properties [17,50]. These case studies highlight the potential of these technologies to reduce energy costs, lower carbon footprints, and improve guest satisfaction. For example, the Hotel Verde in South Africa, known as Africa’s greenest hotel, has implemented a range of sustainable practices, including solar PV panels and energy-efficient lighting, achieving substantial energy savings and setting a benchmark for sustainability in the region [51].

2.5. Barriers and Challenges

Despite the clear benefits, adopting sustainable energy systems in the hospitality sector faces several challenges. High initial costs, technical complexities, and resistance to change among staff and management are significant barriers [52]. The perceived risks associated with new technologies and the lack of expertise in managing energy-efficient systems can hinder widespread implementation.
Financial constraints are particularly prominent, as the upfront investment required for installing advanced energy systems can be substantial [47]. The long-term cost savings and environmental benefits often justify the initial expenditure. Additionally, regulatory support, incentives, and financing options can play a crucial role in facilitating the adoption of these technologies.

2.6. The Need for a Holistic Approach

To overcome these barriers, a holistic approach is essential. This involves technological upgrades and fostering a culture of sustainability within the hotel industry. Energy audits, employee training programs, and guest engagement initiatives are critical components of this approach [23,24]. Furthermore, collaboration among stakeholders, including hotel owners, industry associations, governments, and financial institutions, is vital to drive the transition toward sustainable energy systems.
So, the transition to energy-efficient systems in hotel buildings is imperative for reducing environmental impacts, cutting operational costs, and enhancing competitiveness. This article provides comprehensive insights into effective strategies for implementing sustainable energy practices related to energy savings and related interventions for hotel buildings in the hospitality sector, contributing to the broader goal of global sustainability.

3. Methodology

As shown in Figure 1, this study employs a systematic literature review approach to identify and analyze critical interventions, technologies, and strategies for implementing energy-efficient systems into hotel buildings. The researchers focused on the literature published in the last fifteen years (2009–2024), utilizing keywords such as “sustainable energy”, “hotel buildings”, “energy efficiency”, “renewable energy systems”, and “sustainability in hospitality”. Reputable databases, including Scopus, Web of Science, and Google Scholar, were used to source relevant and recent publications. A total of 99 articles considering inclusion and exclusion criteria were finalized for the current review. By comprehensively analyzing the literature and incorporating practical insights, this research aims to provide a thorough understanding of the strategies for implementing energy-efficient systems into hotel buildings. The systematic approach ensures that the study captures the breadth and depth of the current knowledge, offering valuable recommendations for the hospitality industry’s transition toward sustainability.
Table 2 shows the selection, inclusion, and exclusion criteria for the article selection for the current study. The selection of the literature for the current article followed a rigorous and systematic process. The inclusion criteria ensured that only relevant studies were selected, focusing on topics such as sustainable energy systems, energy-efficient technologies, and energy management practices in hotel buildings. Priority was given to peer-reviewed journal articles, conference proceedings, case studies, and credible industry reports. Studies published within the last fifteen years were preferred to capture recent advancements, though foundational works were considered when necessary. Additionally, the selection emphasized global research with regional applicability and included only English-language publications for consistency. Articles reporting quantifiable data on energy consumption, cost savings, or greenhouse gas emissions were prioritized.
Conversely, the exclusion criteria filtered out studies that were irrelevant to the hospitality industry or not focused on energy-efficient practices. Outdated studies, those older than fifteen years and without significant foundational relevance, were excluded. Non-academic sources, such as blogs or opinion pieces lacking scientific rigor, were also disregarded. Articles without empirical data, clear methodologies, or with overlapping findings from other studies were excluded to avoid redundancy. This meticulous approach ensured the incorporation of high-quality and impactful literature, aligning with the study’s objectives to analyze trends, barriers, and opportunities in energy-efficient interventions in hotel buildings.

4. Identification and Interventions for Implementing Energy-Efficient Systems in Hotel Buildings

4.1. Energy Consumption Patterns and Sustainable Interventions

Energy consumption patterns in hotel buildings are a critical focus area in sustainability discussions due to the sector’s high reliance on energy-intensive operations. Hotels, by nature, require substantial energy for HVAC systems, lighting, water heating, and other guest services, often resulting in significant operational costs and environmental implications. These energy demands are largely met through conventional fossil fuel-based sources, which contribute heavily to greenhouse gas emissions and environmental degradation.
The environmental footprint of hotels is further amplified by inefficiencies in outdated infrastructure, commonly observed in older establishments. Such inefficiencies not only lead to resource wastage but also hinder the sector’s ability to align with global sustainability goals. Addressing these challenges necessitates targeted interventions, including adopting energy-efficient technologies and transitioning to renewable energy sources. By analyzing the current consumption trends and their environmental impacts, the foundation is laid for implementing practical, sustainable solutions to mitigate the hospitality sector’s carbon footprint.

4.2. Current Energy Consumption Patterns and Their Environmental Impact

The analysis of energy consumption patterns in hotel buildings indicates that HVAC systems (heating, ventilation, and air conditioning) are the most significant energy consumers, accounting for approximately 50–60% of a hotel’s total energy usage [20]. Lighting and water heating are also prominent contributors, with traditional lighting systems consuming around 25% of energy, while water heating accounts for 15–20% depending on the hotel’s size, climate, and guest services offered [7,8].
The reliance on conventional energy sources, particularly fossil fuels, exacerbates environmental impacts [53]. For example, a study by the International Tourism Partnership (ITP) showed that the average hotel emits between 15 and 35 kg of CO2 per room night, depending on regional energy grids and operational efficiency [54]. These emissions stem largely from inefficient energy systems, which are prevalent in older properties.
In addition, inefficient lighting, such as halogen or incandescent bulbs, uses 75% more energy compared to modern LED alternatives [20], further contributing to carbon emissions and energy wastage. Similarly, water heating systems relying on non-renewable energy sources are major contributors to greenhouse gas emissions [55]. Hotels in tropical and arid climates, with higher cooling demands, experience amplified environmental footprints due to extended HVAC operations [56].
This reliance on outdated and energy-intensive systems necessitates urgent interventions. By transitioning to energy-efficient alternatives, such as smart building management systems [36], energy-efficient HVAC, and renewable energy sources, hotels can significantly lower their carbon footprint and align with global sustainability objectives [57]. These findings highlight the critical need to re-evaluate current energy practices in the hospitality sector, focusing on modern, efficient, and sustainable technologies to mitigate their environmental impact [58].

4.3. Sustainable Energy Systems and Their Role in Hotels

Hotels worldwide are adopting various sustainable energy systems to mitigate the environmental impacts of conventional energy consumption while achieving economic and social benefits. These interventions focus on renewable energy sources, energy-efficient technologies, and smart management systems, enabling hotels to reduce their carbon footprint, lower operational costs, and enhance guest experiences.

4.3.1. Solar Photovoltaic (PV) Panels

Solar PV panels are increasingly recognized as a viable renewable energy solution for hotels, converting sunlight into electricity to reduce reliance on fossil fuels [59,60]. For instance, hotels implementing solar PV systems can generate up to 30–60% of their total energy needs, depending on geographic location and solar potential [8]. Case studies from hotels in Spain and the Maldives report energy cost savings of up to 40% annually while significantly lowering greenhouse gas emissions [57]. Additionally, government incentives and subsidies for solar energy adoption further encourage their implementation in the hospitality sector [60].

4.3.2. Geothermal Heating and Cooling Systems

Geothermal systems utilize the earth’s consistent subterranean temperatures for heating and cooling, offering a highly efficient alternative to traditional HVAC systems [61]. Studies suggest that geothermal systems can reduce energy consumption by 50–70% compared to conventional systems [62]. For example, a luxury resort in Iceland reported savings of EUR 250,000 annually in energy costs after installing geothermal systems, along with an 80% reduction in carbon emissions [63]. These systems not only support sustainability but also enhance indoor thermal comfort, boosting guest satisfaction [19].

4.3.3. Energy-Efficient Lighting

Lighting accounts for a substantial portion of a hotel’s energy use, with traditional incandescent bulbs consuming significantly more energy than modern alternatives [64]. Transitioning to LED lighting can reduce lighting energy consumption by 75–80%, with additional benefits of a longer lifespan and lower maintenance costs [65]. A case study in a U.S.-based hotel chain revealed annual savings of USD 60,000 in energy costs after switching to LEDs across multiple properties [66]. Guests also report improved satisfaction due to the enhanced quality of lighting provided by LEDs [67,68,69,70].

4.3.4. Smart Building Management Systems

Advanced smart BMS leverage sensors and automated controls to optimize energy consumption in real time. These systems monitor variables such as occupancy patterns, ambient conditions, and peak energy demands to dynamically adjust HVAC, lighting, and other systems. For example, a case study from a hotel in Singapore demonstrated a 30% reduction in overall energy usage post-implementation of a smart BMS, translating to annual savings of USD 100,000 [71,72]. Additionally, these systems improve operational efficiency and sustainability while contributing to a modernized guest experience [36].

4.4. Factors Influencing the Adoption of Sustainable Energy Systems in Hotels

The adoption of sustainable energy systems in hotels is influenced by a combination of technological, financial, regulatory, and cultural factors. Understanding these dynamics is crucial for transitioning to energy-efficient operations.

4.4.1. Technological Upgrades and Best Practices

Implementing energy-efficient systems begins with regular energy audits, which are essential for identifying inefficiencies and opportunities for improvement [3]. For instance, energy audits conducted in a sample of U.S. hotels revealed potential energy savings of 20–30% through targeted interventions in HVAC systems and lighting technologies. Alongside audits, employee training programs ensure that staff are equipped to use and maintain these systems effectively. Hotels with robust training programs report improved energy management and stronger commitment to sustainability among employees. Engaging guests in sustainability initiatives, such as towel reuse programs or educating them about energy-saving practices, has proven to reduce energy consumption by up to 15% while enhancing guest satisfaction.

4.4.2. Stakeholder Collaboration and Regulatory Compliance

Collaboration among stakeholders—such as hotel owners, industry associations, policymakers, and financial institutions—is critical for scaling sustainable energy interventions. Regulatory frameworks like the EU Energy Efficiency Directive have successfully incentivized hotels to adopt renewable energy solutions, achieving an average of 25% reduction in energy consumption [32]. Financial incentives, including tax benefits, grants, and low-interest loans, further facilitate adoption by offsetting the substantial initial investment costs associated with sustainable technologies [26].

4.4.3. Financial Incentives and Funding Mechanisms

The availability of financial incentives significantly alleviates cost barriers. For example, government schemes in Germany offering subsidies for renewable energy installations led to a 40% increase in hotels adopting solar PV systems between 2020 and 2023 [73,74]. Similarly, green loans and carbon credits in the U.S. hospitality sector enabled mid-sized hotels to finance energy-efficient retrofitting projects, resulting in annual cost savings exceeding USD 50,000 per property [75].

4.5. Challenges and Barriers

Despite clear benefits, several challenges hinder the widespread adoption of sustainable energy systems, as follows:

4.5.1. High Upfront Costs

The initial capital required for installing systems like geothermal heating or smart management systems can range between USD 100,000 and 500,000, posing financial challenges for smaller establishments [74,76].

4.5.2. Technical Complexities

Retrofitting existing infrastructure with advanced technologies often requires specialized expertise, which may not be readily available. For instance, integrating geothermal systems in older buildings can face feasibility challenges due to structural limitations [77].

4.5.3. Cultural Resistance to Change

Organizational resistance, both from management and staff, can impede the transition to sustainable practices. Studies show that up to 30% of hotels delay sustainability initiatives due to insufficient buy-in from stakeholders [78,79].

4.6. Strategies for Overcoming Barriers

To address these challenges, hotels can leverage financing options, such as grants and green loans, which have been instrumental in supporting investments in solar and LED lighting projects [80]. Conducting feasibility studies ensures that interventions are tailored to the specific needs and limitations of individual properties, minimizing risks and inefficiencies [53]. Promoting a culture of sustainability through staff training, consistent communication, and recognition programs helps overcome resistance and aligns organizational goals with environmental objectives [81].
By combining these strategies with technological advancements, hotels can achieve significant reductions in energy costs, enhance their competitive advantage, and contribute to global sustainability efforts. The integration of financial incentives, regulatory support, and collaborative stakeholder efforts underscores the importance of a comprehensive approach to energy efficiency in the hospitality sector.
So, there is an urgent need for sustainable energy interventions in hotel buildings. By adopting energy-efficient systems and fostering a culture of sustainability, hotels can achieve significant cost savings, reduce their environmental impact, and enhance long-term competitiveness. The identified interventions, best practices, and strategies provide a comprehensive framework for hotels aiming to transition toward a more sustainable future.

5. Discussions and Future Scope

This study highlights the critical need for sustainable energy interventions in the hospitality industry, particularly within hotel buildings [82,83,84]. The findings demonstrate that energy-efficient systems, such as solar photovoltaic panels, geothermal heating and cooling systems, energy-efficient lighting, and smart building management systems, significantly reduce energy consumption and operational costs [6,19,25,85,86]. Additionally, this study underscores the importance of complementary measures, including energy audits, employee training, and guest engagement initiatives, in enhancing the effectiveness of these technological upgrades [23,25,81].
The implications of these findings are profound for the hospitality industry. By adopting sustainable energy practices, especially in hotel building interventions related to sustainability, hotels can not only lower their carbon footprints and contribute to environmental conservation but also realize substantial cost savings [87,88,89]. These savings can be redirected toward improving guest services, thereby enhancing overall guest satisfaction and loyalty [90,91,92]. Embracing sustainability can bolster a hotel’s brand image, attracting environmentally conscious travelers who prioritize eco-friendly accommodations [93,94,95].
Despite the clear benefits, this review identifies several barriers to the widespread implementation of energy-efficient systems in hotels. High upfront costs remain a significant challenge, especially for smaller hotels with limited financial resources [96]. Technical complexities and the need for specialized knowledge also pose hurdles, as does cultural resistance to change within hotel management and staff [97]. Addressing these challenges requires a multi-faceted approach, including leveraging financial incentives, conducting feasibility studies, and fostering a culture of sustainability [23,98].
The successful implementation of sustainable energy systems in hotels necessitates active collaboration among various stakeholders, including hotel owners, industry associations, governments, and financial institutions. Regulatory frameworks and financial incentives are crucial in facilitating the transition to energy-efficient systems. Governments can play a pivotal role by providing grants, tax incentives, and low-interest loans to support hotels in their sustainability efforts [35,99].

5.1. Limitations of the Study

This study has certain limitations that must be acknowledged. The reliance on published literature means that the most recent industry practices or unpublished innovations may not be fully captured. Additionally, the focus on English-language publications may exclude relevant research in other languages. Future studies should aim to address these limitations by incorporating a broader range of sources and perspectives.

5.2. Future Scope

Future research should explore the potential of emerging technologies, such as artificial intelligence (AI) and the Internet of Things (IoT), in enhancing energy efficiency in hotels. AI-powered energy management systems and IoT-enabled devices can provide real-time data and analytics, enabling hotels to optimize energy use more effectively. Investigating the integration of these advanced technologies with existing sustainable energy systems could yield valuable insights into achieving even greater energy efficiency.
Longitudinal studies that track the long-term outcomes of implementing energy-efficient systems in hotels are needed. Such studies can provide a deeper understanding of the sustained impact of these interventions on energy consumption, cost savings, and environmental performance. They can also shed light on the long-term challenges and successes, informing best practices for future implementations.
Comparative studies across different regions and hotel types can offer insights into how geographic and contextual factors influence the adoption and effectiveness of sustainable energy systems. Understanding these variations can help tailor interventions to specific contexts, ensuring more successful implementations globally.
Further research on guest behavior and engagement in sustainability initiatives can enhance the effectiveness of energy-efficient systems. Exploring how different engagement strategies influence guest participation and satisfaction can provide valuable guidance for hotels seeking to involve their guests in their sustainability efforts.
Examining the role of policy and regulatory frameworks in promoting sustainable energy practices in the hospitality industry is another important area for future research. Analyzing the impact of different regulatory approaches and financial incentives can help identify the most effective strategies for encouraging the adoption of energy-efficient systems.
Finally, integrating sustainability into hospitality education and training programs can ensure that future industry professionals are equipped with the knowledge and skills to implement and manage sustainable energy systems effectively. Research on the best approaches to incorporating sustainability into hospitality curricula can support this goal.
While significant progress has been made in understanding and implementing sustainable energy systems in hotel buildings, there remains ample scope for further research and innovation. By addressing the identified challenges and exploring new avenues for sustainability, the hospitality industry can continue to advance toward a more sustainable and energy-efficient future.

Author Contributions

A.B.S.: Conceptualization, methodology, writing—original draft preparation. Y.M.: Methodology, visualization, writing—reviewing and editing. S.Y.: Reviewing and editing. All authors have read and agreed to the published version of the manuscript.

Funding

This research received no external funding.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

Data are contained within the article.

Conflicts of Interest

The authors declare no conflicts of interest.

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Figure 1. Research methodology.
Figure 1. Research methodology.
Engproc 67 00080 g001
Table 1. Energy consumption, cost, and greenhouse gas emission data of hotel buildings [7,8,9,10,11,12,13].
Table 1. Energy consumption, cost, and greenhouse gas emission data of hotel buildings [7,8,9,10,11,12,13].
RegionAverage Energy
Consumption (kWh/Room/Night)
Average Energy Cost (USD/Room/Night)GHG Emissions (kg CO2e/Room/Night)Primary Energy Use
North America30–454–615–25Heating, cooling, lighting
Europe25–403–512–20Heating, cooling, lighting
Asia–Pacific35–505–818–30Cooling, lighting
Middle East and Africa40–606–1020–35Cooling, water heating
South America30–453–614–25Cooling, lighting
Global Average35–504–718–28Heating, cooling, lighting, hot water
Table 2. Inclusion and exclusion criteria.
Table 2. Inclusion and exclusion criteria.
CriteriaInclusionExclusion
Time FrameArticles published within the last 15 years to ensure contemporary relevance.Articles published over 15 years ago unless highly cited or foundational in the field.
LanguageArticles published in English for accessibility and consistency.Articles published in languages other than English.
Document TypePeer-reviewed journal articles, conference papers, case studies, and industry reports.Non-peer-reviewed content, blog posts, newsletters, or general media articles.
Geographical ScopeGlobal studies with a focus on sustainable energy systems applicable to hotels.Studies focused solely on regions or sectors unrelated to hospitality or energy systems.
SectorStudies specific to energy systems and sustainability in the hospitality or hotel sector.Studies focusing on unrelated industries (e.g., manufacturing, residential housing, etc.).
Energy SystemsStudies addressing renewable energy, energy-efficient technologies, or smart energy management.Studies unrelated to energy systems, focusing instead on non-energy-related hotel practices.
RelevanceArticles discussing practical applications, barriers, and enablers of sustainable energy adoption.Articles with theoretical discussions unrelated to sustainability practices or energy systems.
MethodologyResearch employing quantitative, qualitative, or mixed methods with a clear focus on energy systems.Articles with unclear or irrelevant methodologies.
OutcomesStudies presenting measurable benefits, such as cost reduction, carbon footprint reduction, or guest satisfaction improvements.Studies lacking practical insights, results, or actionable findings.
Time FrameArticles published within the last 15 years to ensure contemporary relevance.Articles published over 15 years ago unless highly cited or foundational in the field.
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Singh, A.B.; Mishra, Y.; Yadav, S. Toward Sustainability: Interventions for Implementing Energy-Efficient Systems into Hotel Buildings. Eng. Proc. 2024, 67, 80. https://doi.org/10.3390/engproc2024067080

AMA Style

Singh AB, Mishra Y, Yadav S. Toward Sustainability: Interventions for Implementing Energy-Efficient Systems into Hotel Buildings. Engineering Proceedings. 2024; 67(1):80. https://doi.org/10.3390/engproc2024067080

Chicago/Turabian Style

Singh, Alok Bihari, Yogesh Mishra, and Surjeet Yadav. 2024. "Toward Sustainability: Interventions for Implementing Energy-Efficient Systems into Hotel Buildings" Engineering Proceedings 67, no. 1: 80. https://doi.org/10.3390/engproc2024067080

APA Style

Singh, A. B., Mishra, Y., & Yadav, S. (2024). Toward Sustainability: Interventions for Implementing Energy-Efficient Systems into Hotel Buildings. Engineering Proceedings, 67(1), 80. https://doi.org/10.3390/engproc2024067080

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