Energy Auditing practices for HVAC Systems: An IoT-based Approaches

Authors

  • Santosh Kumar, Abhay Kumar, S.K. Sharma

DOI:

https://doi.org/10.64882/ijrt.v14.iS1.1069

Keywords:

Energy Auditing, HVAC Systems, Institutional Facilities, IoT-Based Monitoring, Mechanical Appliances, Energy Conservation Measures, Control Systems, Sustainability, Energy Efficiency

Abstract

Energy consumption in institutional facilities—including universities, hospitals, government buildings and research laboratories—is largely driven by Heating, Ventilation, and Air Conditioning (HVAC) systems alongside a diverse set of distributed mechanical appliances such as pumps, fans, compressors, refrigeration units, and laboratory equipment. Escalating energy costs, increasingly stringent sustainability regulations and global carbon-neutrality commitments necessitate the development of a structured, scalable and technology-enabled energy auditing simple behavior control specifically tailored to these energy-intensive systems. IoT-driven operational behavior practices enhance HVAC system efficiency and reduce overall energy consumption.

The paper provides a comprehensive energy auditing simple behavior control review analysis on the inefficiencies and hidden energy losses in traditional systems visa vis utilizing advancement in control system and use of IoT-based sensing networks, real-time energy monitoring of occupancy related data analytics, and performance benchmarking to make HVAC efficient. The article while summarizing application of IoT in optimizing energy uses using simple control techniques and use of real time HVAC system monitoring.

Energy audits have long been recognized as a cornerstone of effective energy management in institutional and commercial buildings. Empirical studies consistently report that systematic energy auditing, coupled with targeted energy conservation measures (ECMs), can yield energy savings ranging from 10–30% in facilities, with corresponding reductions in operating costs and carbon emissions. These savings are achieved through improved operational behavior practices; equipment upgrades and control strategy enhancements that address both system inefficiencies based on IoT.

The results demonstrate that the proposed simple behavior control enables measurable reductions in energy consumption, operating costs, and greenhouse gas emissions while enhancing system reliability and occupant comfort. This study presents a scalable and reproducible energy auditing framework for institutional facilities that enables data-driven decision-making and supports long-term sustainability planning in line with national and international energy efficiency objectives.

References

Abidin, A. Z., Enriko, I. K. A., & Pramudita, A. A. (2025). Leveraging IoT, Digital Twin and Machine Learning for Smart Energy Audit in Office Building: A Systematic Literature Review and Recommendations. e-Prime-Advances in Electrical Engineering, Electronics and Energy, 101124.

AKHTAR, Iram, et al. Advanced fuzzy-based smart energy auditing scheme for smart building environment with solar integrated systems. IEEE Access, 2021, 9: 97718-97728.

ASHRAE. ASHRAE Handbook—HVAC Systems and Equipment. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, USA, 2020.

ASHRAE. ASHRAE Standard 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings. ASHRAE, Atlanta, USA, 2019. ISO. ISO 50001: Energy Management Systems — Requirements with Guidance for Use. International Organization for Standardization, Geneva, Switzerland, 2018.

Asif, S., Pal, R., Dubey, V., Kumari, P., & Shrivastava, S. (2024). Internet of Things (IoT) Integration with 5G and 6G Wireless Technologies. In Advanced IoT Technologies and Applications in the Industry 4.0 Digital Economy (pp. 309-327). CRC Press

Asim, N., Badiei, M., Mohammad, M., Razali, H., Rajabi, A., Chin Haw, L., & Jameelah Ghazali, M. (2022). Sustainability of heating, ventilation and air-conditioning (HVAC) systems in buildings—An overview. International journal of environmental research and public health, 19(2), 1016.

Dwivedi, R., & Hasan, N. (2025). Enhancing brand awareness and loyalty through gamification in the metaverse. In Addressing Practical Problems Through the Metaverse and Game-Inspired Mechanics (pp. 259-288). IGI Global Scientific Publishing.

García-Monge, M., Zalba, B., Casas, R., Cano, E., Guillén-Lambea, S., López-Mesa, B., & Martínez, I. (2023). Is IoT monitoring key to improve building energy efficiency? Case study of a smart campus in Spain. Energy and Buildings, 285, 112882.

Hasan N, Agarwal C, Joshi A, Rahal D, Traisa R, Sharma S (2025;), "The two-way influence of green banking practices and green electronic word of mouth in driving green trust and green loyalty: a trust transfer perspective". International Journal of Ethics and Systems, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/IJOES-10-2024-0326

Hasan, N., Nanda, S., Agarwal, M.K. et al. Evaluating the mediating effect of financial literacy between fintech adoption in microfinance services. Int J Syst Assur Eng Manag (2024). https://doi.org/10.1007/s13198-024-02256-4

Hasan, N., Singh, A. K., & Dwivedi, R. (2024). Determinants of FinTech adoption by microfinance institutions in India to increase efficiency and productivity. International Journal of Business Innovation and Research, 35(3), 393–411. https://doi.org/10.1504/IJBIR.2024.142306

Hasan, N., Singh, A. K., & Tariq, H. (2020). Sustainability and outreach of microfinance institutions in India. Shodh Sarita, 9(7). http://shabdbooks.com/Vol-9-Issue-7-2020/

https://eai.in/ref/da/155?utm_source=chatgpt.com

Katipamula, S., & Brambley, M. R. “Methods for fault detection, diagnostics, and prognostics for building systems—A review.” HVAC&R Research, vol. 11, no. 2, pp. 169–187, 2005.

Krajčík, M., Arıcı, M., & Ma, Z. (2023). Trends in research of heating, ventilation and air conditioning and hot water systems in building retrofits: Integration of review studies. Journal of Building Engineering, 76, 107426.

Nakayama, S., Yan, W. and Fujita, A., 2024. Developing an energy audit methodology for assessing decarbonization potential in high performance buildings. Energy Conversion and Management: X, 24, p.100765.

Papadakis, N. and Katsaprakakis, D.A., 2023. A review of energy efficiency interventions in public buildings. Energies, 16(17), p.6329.

Patel, K., Kumari, P., & Dubey, V. (2024). Smart Education: The Impact of IoT on Learning Environments. International Journal of Innovations in Science, Engineering And Management, 223-227.

Pérez-Lombard, L., Ortiz, J., & Pout, C. “A review on buildings energy consumption information.” Energy and Buildings, vol. 40, no. 3, pp. 394–398, 2008.

Sebarchievici, C. and Sarbu, I., 2015. Performance of an experimental ground-coupled heat pump system for heating, cooling and domestic hot-water operation. Renewable energy, 76, pp.148-159.

Serale, G., Fiorentini, M., Capozzoli, A., Bernardini, D., & Bemporad, A. (2018). Model predictive control (MPC) for enhancing building and HVAC system energy efficiency: Problem formulation, applications and opportunities. Energies, 11(3), 631.

Shahzad, Q. and Aruga, K., 2025. Energy Policy Evolution in Pakistan: Balancing Security, Efficiency, and Sustainability. Energies, 18(14), p.3821.

Shrivastava, S., & Kumar, P. (2020). Comparison of Artificial Intelligence-Based Solutions Applied to Economic Load Dispatch Problem. In Applications of Artificial Intelligence in Electrical Engineering (pp. 210-229). IGI Global Scientific Publishing.

Shrivastava, S., Khalid, S., & Nishad, D. K. (2024). Impact of EV interfacing on peak-shelving and frequency regulation in a microgrid. Scientific Reports, 14(1), 31514.

Tripathi, K., Shrivastava, S., & Banarjee, S. (2020). Review in Recent Trends on Energy Delivery System and Its Issues in Smart Grid System. Computing Algorithms with Applications in Engineering: Proceedings of ICCAEEE 2019, 117-125

U.S. Department of Energy. Advanced Energy Retrofit Guide for Existing Buildings: HVAC Systems. DOE, Washington, DC, USA, 2011.

Wadhawan,D.N., C. S. A. K.(2023). The evolving landscape of digital marketing: Trends, impacts, and opportunities in India. Journal of Data Acquisition and Processing, 38(2), 2157–2168.

Wadhawan,N., R. K. A. (2020). Understanding e-commerce: A study with reference to competitive economy. Journal of Critical Reviews, 7(8), 805–809.

Wang, S., & Ma, Z. “Supervisory and optimal control of building HVAC systems: A review.” HVAC&R Research, vol. 14, no. 1, pp. 3–32, 2008.

Wang, X., Zhao, Q. and Wang, Y., 2020. A distributed optimization method for energy saving of parallel-connected pumps in HVAC systems. Energies, 13(15), p.3927.

Zacki, A., & Pathirana, S. (2025). Effect of green building features on energy efficiency of university buildings in tropical climate. Sustainable Futures, 10, 101069.

Zhang, T., Yang, X., Wu, Z., Zhai, G., Doan, D. T., Sun, Q., & Gao, H. (2025). Application of Building Information Modeling for Energy Efficiency: A Systematic Review. Buildings, 15(20), 3722.

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How to Cite

Santosh Kumar, Abhay Kumar, S.K. Sharma. (2026). Energy Auditing practices for HVAC Systems: An IoT-based Approaches. International Journal of Research & Technology, 14(S1), 599–607. https://doi.org/10.64882/ijrt.v14.iS1.1069

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