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Advancements in Building Energy Efficiency and Flexibility: Challenges and Opportunities

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "G: Energy and Buildings".

Deadline for manuscript submissions: 25 May 2026 | Viewed by 590

Special Issue Editor


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Guest Editor
Centre Scientifique et Technique du Bâtiment, Sophia Antipolis, France
Interests: control and energy management of building and district energy systems; thermal building phenomena; hydronics; real performances of renewables and heat pumps in buildings; renovation, hardware-in-the-loop; thermal comfort; flexibility

Special Issue Information

Dear Colleagues,

In response to the growing need to address environmental challenges and foster sustainable development, Energies is excited to announce a special edition dedicated to "Advancements in Building Energy Efficiency and Flexibility: Challenges and Opportunities".

The built environment stands at the forefront of global efforts to reconcile human needs with ecological responsibility. This Special Issue aims to explore cutting-edge research and innovative solutions related to aspects of sustainable building practices with constraints related to greenhouse gas emissions, the increase in renewable energy utilisation, energy efficiency needs and occupant comfort.

We invite authors to contribute original research articles, reviews, and case studies that analyse the multifaceted dimensions of sustainable building development with respect to the following aspects:

  • Energy system concepts and related operational strategies considering aspects of energy flexibility, related to the electrification of our energy system: solar, heat pumps, electric mobility, etc.;
  • Optimization of the thermal comfort of occupants in these buildings;
  • Increased energy efficiency and mitigation of carbon emissions.

While this edition covers both new and renovated buildings, particular attention will be paid to the renovation of existing buildings since the main effort in the following decades and achievement of greenhouse gas emission goals will rely mainly on the success in this field.

Dr. Peter Riederer
Guest Editor

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. Energies 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 2600 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

  • energy efficiency
  • energy flexibility
  • occupant thermal comfort
  • greenhouse gas emissions

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Published Papers (1 paper)

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Review

27 pages, 2251 KB  
Review
A Systematic Review of Multi-Objective Optimisation Building Energy Retrofit, with a Focus on Hot-Humid Climate Regions
by Nissa Aulia Ardiani, Haniyeh Mohammadpourkarbasi and Steve Sharples
Energies 2026, 19(1), 122; https://doi.org/10.3390/en19010122 - 25 Dec 2025
Viewed by 236
Abstract
Globally, buildings are responsible for around 32% of energy consumption and 34% of greenhouse gas emissions. One reason for this is the poor energy efficiency of much of the current building stock. Around 75% of today’s buildings are projected to still be in [...] Read more.
Globally, buildings are responsible for around 32% of energy consumption and 34% of greenhouse gas emissions. One reason for this is the poor energy efficiency of much of the current building stock. Around 75% of today’s buildings are projected to still be in use in 2050, highlighting the importance of retrofitting existing buildings for energy efficiency. Such a strategy presents substantial opportunities to decrease global energy consumption and greenhouse gas emissions. While building retrofit projects have been implemented in many developed countries, studies in hot-humid climates and developing countries are still lacking. The challenges posed by hot-humid climates make developing the right energy retrofit strategies even more difficult. This study reviews and analyses previous energy retrofit studies and optimisations in building energy retrofit that used multi-objective optimisation methods, especially in hot-humid climate regions, using a bibliometric mapping tool called “VOSviewer” (version 1.6.20). The study also follows the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) framework for systematic reviews. This literature review highlights the paucity of research related to Multi-Objective Optimisation building-energy retrofit for buildings in countries with hot-humid climates and aims to identify the optimal strategies for energy retrofitting buildings in hot-humid climates using an optimisation method. The results of this study will significantly impact stakeholders’ decision-making processes, enabling them to identify the most advantageous objectives and energy efficiency measures for retrofitting buildings. Full article
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