Year : 2025 | Volume : 12 | Issue : 01 | Page : 44-52
    By

    Shubham Mishra,

  1. Research Scholar, Department of Electrical Engineering, Jaipur Engineering College & Research Centre, Rajasthan, India

Abstract

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Due to their direct impact on usage of energy, operational effectiveness, and environmental sustainability, heat exchangers have become vital components of the air conditioning, ventilation, and heating (HVAC) systems. The growing demand for energy-efficient HVAC solutions has driven extensive research and development efforts aimed at improving heat exchanger performance. Traditional designs, such as shell-and-tube and fin-and-tube heat exchangers, have long been utilized in HVAC applications. Nevertheless, these traditional types frequently display shortcomings in terms of compactness, water drop, and heat transfer efficiencies. Recent innovations in heat exchanger technology have introduced advanced materials, optimized geometries, and novel heat transfer mechanisms, leading to significant enhancements in system performance. The adoption of microchannel heat exchangers has enabled greater heat transfer efficiency due to their increased surface area and improved fluid dynamics. Additionally, the integration of phase-change materials (PCMs) allows for effective thermal energy storage, reducing energy fluctuations and peak loads in HVAC systems. Additive manufacturing, or 3D printing, has further revolutionized heat exchanger fabrication by enabling complex, lightweight, and highly efficient designs that were previously unattainable with traditional manufacturing methods. Promising options for improving energy efficiency include hybrid heat exchangers, which integrate thermoelectric circuits or many heat transfer steps. Moreover, the rise of smart HVAC technologies has facilitated the incorporation of IoT-based monitoring systems, enabling real-time performance optimization and predictive maintenance to enhance system reliability and longevity. This review provides an in-depth analysis of these key advancements in heat exchanger design, exploring their impact on HVAC efficiency, cost reduction, and environmental sustainability. Additionally, emerging trends and future research directions are discussed, emphasizing the continued evolution of energy-efficient and eco-friendly HVAC solutions to meet global energy challenges

Keywords: Heat exchanger technology, HVAC system efficiency, thermal energy transfer, advanced heat transfer materials, phase-change materials (PCMs), smart HVAC innovations

[This article belongs to Journal of Refrigeration, Air conditioning, Heating and ventilation ]

How to cite this article:
Shubham Mishra. [226 wpautop=0 striphtml=1]. Journal of Refrigeration, Air conditioning, Heating and ventilation. 2025; 12(01):44-52.
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Shubham Mishra. [226 striphtml=1]. Journal of Refrigeration, Air conditioning, Heating and ventilation. 2025; 12(01):44-52. Available from: https://journals.stmjournals.com/jorachv/article=2025/view=0



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Regular Issue Subscription Review Article
Volume 12
Issue 01
Received 07/03/2025
Accepted 10/03/2025
Published 21/03/2025
Publication Time 14 Days
124

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