A Narrative Review of Internet of Things Applications, Challenges, and Future Directions in Smart Hospitals for Optimizing Indoor Air Quality and Ventilation Systems

AuthorAzam Salehi Valashanien
OrcidAzam Salehi Valashani [0009-0002-4352-0922]en
Issued Date2026-04-30en
AbstractContext: The Internet of Things (IoT) has emerged as a transformative technology in healthcare infrastructure, enabling real-time monitoring and control of environmental parameters in smart hospitals. This narrative review synthesizes the available evidence on the use of IoT technologies for indoor air quality (IAQ) optimization and the management of heating, ventilation, and air conditioning (HVAC) systems. Evidence Acquisition: A comprehensive literature search was conducted in Scopus, Web of Science, PubMed, and ScienceDirect for studies published between 2010 and 2024. Articles focusing on IoT-enabled monitoring, air purification, and energy-efficient ventilation in hospital environments were included. A combination of narrative and thematic analyses identified seven major thematic areas: IoT architecture, sensor integration, energy efficiency, infection prevention, interoperability, data security, and sustainability. Results: Although the evidence was not quantitatively synthesized, most studies reported 15% - 30% improvements in IAQ indicators and energy savings, with limitations including small sample sizes, short study durations, and methodological heterogeneity. The findings indicated that IoT-based HVAC systems can improve IAQ while reducing energy consumption; however, challenges such as high implementation costs, limited interoperability, and data privacy concerns remain unresolved. Conclusions: Future research should focus on integrating IoT with artificial intelligence, edge computing, and blockchain technologies to develop adaptive, self-regulating ventilation systems. This review concludes that IoT-enabled environmental management represents a crucial step toward sustainable, efficient, and health-centered hospital operations.en
DOIhttps://doi.org/10.5812/jhrt-165518en
URIhttps://brieflands.com/journals/jhrt/articles/165518en
KeywordInternet of Thingsen
KeywordIndoor Air Qualityen
KeywordBuilding Management Systemsen
PublisherBrieflandsen
TitleA Narrative Review of Internet of Things Applications, Challenges, and Future Directions in Smart Hospitals for Optimizing Indoor Air Quality and Ventilation Systemsen
TypeReview Articleen

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