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Sustainability in Energy and Buildings: Future Perspectives and Challenges: 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: 15 May 2026 | Viewed by 2251

Special Issue Editors


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Guest Editor
Engineering and Geology Department, University G. d’Annunzio of Chieti-Pescara, 42-65127 Pescara, Italy
Interests: climate change; buildings’ sustainability; nZEB design; renewable energies; cultural heritage preservation; buildings’ acoustics
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Geology and Engineering Department, University G. d’Annunzio of Chieti-Pescara, 42-65127 Pescara, Italy
Interests: dynamic energy simulation; energy retrofit solutions; double skin façade; building energy requirement and comfort
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The global urgency to reduce energy consumption and CO2 emissions has reshaped the priorities of every sector, with the construction and building industry at the forefront of this transition. Buildings are among the largest energy consumers worldwide, and despite technological advances, energy demand in the built environment has shown a steady increase over the past two decades. Addressing this challenge is critical to achieving climate neutrality goals and ensuring a resilient, sustainable future.

Sustainability in buildings—spanning their design, construction, operation, and end-of-life—is, therefore, one of the most pressing issues of our time. It requires an integrated approach that bridges engineering, architecture, digital technologies, and environmental sciences. Alongside well-established strategies such as renewable integration, high-performance materials, and lifecycle analysis, emerging tools like artificial intelligence, digital twins, big data analytics, and smart building management systems are opening new pathways for innovation. These technologies, coupled with nature-based solutions and circular economy approaches, hold immense potential to transform buildings from passive consumers into active players in climate change mitigation and adaptation.

This Special Issue seeks to bring together cutting-edge research and visionary strategies that advance sustainability in the building sector. We invite contributions that not only address traditional themes but also explore new paradigms that push the boundaries of sustainable construction and energy systems.

The scope of this Special Issue includes, but is not limited to, the following topics:

  • Innovative and sustainable building materials and circular construction practices;
  • Passive and active building envelopes and adaptive façades;
  • HVAC systems and their integration with smart/IoT-based control and automation;
  • Renewable energy systems for buildings (PV, solar thermal, wind, geothermal, and hybrid systems);
  • Artificial intelligence, machine learning, and digital twin applications for sustainable building design and operation;
  • Smart grids, demand response, and building-to-grid integration;
  • Life Cycle Assessment (LCA), Life Cycle Costing (LCC), and circular economy approaches;
  • Nature-based solutions and climate-resilient building strategies;
  • Policy, regulation, and socio-economic perspectives on sustainable buildings.

We warmly welcome original research articles, reviews, and case studies that offer novel insights and practical solutions to accelerate the sustainable transformation of the building sector.

Prof. Dr. Sergio Montelpare
Dr. Camilla Lops
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • innovative materials for buildings
  • climate changes and buildings
  • building adaptive solutions
  • buildings skins
  • smart HVAC systems
  • renewable energies for buildings
  • LCA and LCC
  • new energy storage and distributions options
  • novel sustainability strategies
  • innovative building analyses

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Related Special Issue

Published Papers (2 papers)

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Research

30 pages, 5886 KB  
Article
Energy Efficiency Through Waste-Heat Recovery: Hybrid Data-Centre Cooling in District Heating Applications
by Damir Požgaj, Boris Delač, Branimir Pavković and Vedran Medica-Viola
Appl. Sci. 2026, 16(1), 323; https://doi.org/10.3390/app16010323 - 28 Dec 2025
Cited by 1 | Viewed by 1446
Abstract
Growing demand for computing resources is increasing electricity use and cooling needs in data centres (DCs). Simultaneously, it creates opportunities for decarbonisation through the integration of waste heat (WH) into district heating (DH) systems. Such integration reduces primary energy (PE) consumption and emissions, [...] Read more.
Growing demand for computing resources is increasing electricity use and cooling needs in data centres (DCs). Simultaneously, it creates opportunities for decarbonisation through the integration of waste heat (WH) into district heating (DH) systems. Such integration reduces primary energy (PE) consumption and emissions, particularly in low-temperature DH networks. In this study, the possibility for utilisation of WH from DC hybrid cooling system into third generation (3G), fourth generation (4G), and fifth generation (5G) DH systems is investigated. The work is based on the dynamic simulations in TRNSYS. The model of the hybrid cooling system consists of a direct liquid cooling (DLC) loop (25–30 °C) and a chilled water rack coolers (CRCC) loop (10–15 °C). For 3G DH, a high-temperature water-to-water heat pump (HP) is applied to ensure the required water temperature in the system. Measured meteorological and equipment data are used to reproduce real DC operating conditions. Relative to the reference system, integrating WH into 5G DH reduces PE consumption and CO2 emissions by 88%. Results indicate that integrating WH into 5G DH and 4G DH minimises global cost and achieves a payback period of less than one year, whereas 3G DH, requiring high-temperature HPs, achieves 14 years. This approach to integrating waste heat from a hybrid DLC+CRCC DC cooling system is technically feasible, economically and environmentally viable for planning future urban integrations of waste heat into DH systems. Full article
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23 pages, 3297 KB  
Article
Numerical Study on Thermal Performance of Radiant Panels Coupled with V-Shaped Grooves and Phase Change Materials
by Haoze Wang and Zhitao Han
Appl. Sci. 2025, 15(24), 13260; https://doi.org/10.3390/app152413260 - 18 Dec 2025
Viewed by 424
Abstract
This study focuses on a proposed aluminum alloy radiant panel with 60° V-shaped grooves and integrated copper tubes. A numerical model of this novel grooved phase change material (PCM)-integrated radiant panel was established via Fluent 2022 R1 software. Through numerical simulations, the complete [...] Read more.
This study focuses on a proposed aluminum alloy radiant panel with 60° V-shaped grooves and integrated copper tubes. A numerical model of this novel grooved phase change material (PCM)-integrated radiant panel was established via Fluent 2022 R1 software. Through numerical simulations, the complete melting and solidification processes of two PCMs (n-hexadecane and LTXC-PCM-A-18) were analyzed, and differences in their phase change heat transfer performance were compared—revealing the role of the groove structure in enhancing PCM heat transfer and the material-structure compatibility. Results indicate that the groove structure effectively enhances convective heat transfer in the PCM liquid phase. During the melting stage, LTXC-PCM-A-18 exhibited a preheating rate of 0.00125 K/s, which is 67% higher than that of n-hexadecane (0.00075 K/s); its liquid fraction growth rate (0.0002 s−1) was 2.67 times that of n-hexadecane, and the melting completion time was accelerated by 20% (2000 s). During solidification, LTXC-PCM-A-18’s initial cooling rate (0.0006 K/s) was 50% higher than that of n-hexadecane (0.0004 K/s), with a liquid fraction decay rate twice that of n-hexadecane. Additionally, its solidification temperature plateau was 1 K higher, providing superior thermal output stability. These findings reflect two distinct technical strategies: “steady-state temperature control” and “dynamic regulation.” n-Hexadecane exhibits smoother melting and solidification processes, making it suitable for continuous heating applications. In contrast, LTXC-PCM-A-18 demonstrates superior thermal responsiveness and phase change efficiency, aligning with intermittent heating requirements. This study provides quantitative guidance for PCM selection in grooved radiant panels. Full article
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