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Sustainability
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Energy Performance and Efficiency in Buildings
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Energy Performance and Efficiency in Buildings

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 12446

Special Issue Editors

Prof. Dr. César Martín-Gómez

E-Mail Website1 Website2
Guest Editor
Department of Construction, Building Services and Structures, Universidad de Navarra, 31009 Pamplona, Spain
Interests: building services; energy; integration; architecture; biomimicry; thermoelectricity; safety
Special Issues, Collections and Topics in MDPI journals
Dr. Amaia Zuazua-Ros

E-Mail Website1 Website2
Guest Editor
Department of Construction, Building Services and Structures, University of Navarra, 31009 Pamplona, Spain
Interests: energy system integration in buildings; cooling systems design; ventilation; thermoelectricity; biomimicry; prototyping
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

There is an abundant and growing scientific literature on the energy behavior of buildings, both new and refurbished. However, this monograph seeks to go further by proposing to delve into the current relationships, and especially future ones, between the different systems that form a building, since buildings are increasingly complex entities in which a part cannot be described without taking into account the set of interactions with the rest of the components or systems.

This issue includes, among others, the following approaches, but also other equivalents that allow revealing new visions, solutions, and technologies in the future of energy efficiency with architecture:

- Energy efficiency of buildings in relation to the urban environment in which they are located;

- Systems for the generation, storage, and use of electrical energy;

- HVAC systems;

- Real scale prototypes;

- Simulations and monitoring;

- Renewable energies in relation to the systems that power the building;

- Description of technologies that are expected to be used in the future in the medium and long term in the building;

- Energy efficiency in residential buildings, hospitals, offices, sport facilities, etc.

In all cases, in addition to the scientific objective, the inclusion of economic parameters that allow assessing the cost of integrating the elements, systems, and methodologies in buildings will be examined.

Prof. Dr. César Martín-Gómez
Prof. Dr. Amaia Zuazua-Ros
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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Sustainability 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

  • energy systems design
  • renewable energies’ integration
  • HVAC systems
  • advanced prototyping
  • future technologies

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Published Papers (2 papers)

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31 pages, 7928 KiB  
Article
Performance Analysis of the Developed Air Source Heat Pump System at Low-to-Medium and High Supply Temperatures for Irish Housing Stock Heat Load Applications
by Muhammad Abid, Neil Hewitt, Ming-Jun Huang, Christopher Wilson and Donal Cotter
Sustainability 2021, 13(21), 11753; https://doi.org/10.3390/su132111753 - 25 Oct 2021
Cited by 8 | Viewed by 3512
Abstract
Decarbonization of the UK residential heating sector is crucial to cut the carbon emissions and meet the legal binding of the Climate Change Act, 2008. The current progress with residential building sector carbon neutrality is slow and, hence, acceleration in action is required. [...] Read more.
Decarbonization of the UK residential heating sector is crucial to cut the carbon emissions and meet the legal binding of the Climate Change Act, 2008. The current progress with residential building sector carbon neutrality is slow and, hence, acceleration in action is required. The heat pump (HP) technology was found to be a potential candidate for sustainable development instead of fossil fuel-based oil/gas boilers, but improvement in its coefficient of performance (COP) is essential to compete with the lower gas/oil unit energy cost. The number of studies found in the literature were very limited, with the customized prototype development in the context of Northern Ireland, but without considering the simultaneous impact of heat supply temperature and operating mode of control for performance improvement in different property types. It is evidenced in the literature that the variable speed capacity control approach could improve the annual performance, but the literature has not looked into the compressor efficiencies challenges. In this study, steady state testing with a range of fixed constant heat loads (3–18 KW), done by varying compressor speed and its impact on COP, compressor efficiencies, and inverter losses, was established. The HP performance was measured and evaluated at low (35 °C)-to-medium (45 °C) and high (55 °C) heat supply temperature levels under the controlled laboratory conditions over the experienced ambient temperature. According to the result the COP values varies according to heat supply temperature, ambient temperature conditions, and heating capacity. The HP annual performances with Irish housing stock were evaluated in two modes of control and three case studies (C1, C2, C3) based on the experimentally validated model. The heat load demand in five property types with four age periods were considered in the analysis. The system could meet the required heat load demand for all property types in VSM with different percentage improvements in performance in comparison to FSM depending on the considered case level of the heat supply temperature (C1, C2, C3). Full article
(This article belongs to the Special Issue Energy Performance and Efficiency in Buildings)
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Review

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17 pages, 1805 KiB  
Review
The Status of Embodied Carbon in Building Practice and Research in the United States: A Systematic Investigation
by Ming Hu and Nora Wang Esram
Sustainability 2021, 13(23), 12961; https://doi.org/10.3390/su132312961 - 23 Nov 2021
Cited by 24 | Viewed by 7893
Abstract
The building construction industry accounts for 5% of global energy use and 10% of global greenhouse gas (GHG) emissions. A primary source of these emissions is the manufacture of building construction materials such as steel, cement, and glass. As aggressive building energy codes [...] Read more.
The building construction industry accounts for 5% of global energy use and 10% of global greenhouse gas (GHG) emissions. A primary source of these emissions is the manufacture of building construction materials such as steel, cement, and glass. As aggressive building energy codes push new construction towards net-zero-energy and net-zero-carbon operations, corresponding efforts to reduce embodied energy and carbon from building construction materials must be pursued to achieve the decarbonization goals of the building sector. In the past few decades, progressive building energy codes as well as the underlying research on reducing the operational energy and its related greenhouse gas emissions have stimulated changes of practice in building design and operation. In contrast, strategies to reduce embodied carbon in the substitute remaining life-cycle stages of a building are less defined and studied. The selection of building materials and systems is largely unregulated, as long as minimum health, safety, and performance standards are met. In addition, it is unclear whether we have adequate knowledge infrastructure to incorporate embodied carbon into national model codes. This study provides a comprehensive review of the current state of knowledge of existing methods, databases, and tools on embodied carbon studies, and identifies the knowledge gaps. It provides a basis for the governments, academia, industry, and other institutes to collaboratively fill in these gaps and develop standards and codes to decarbonize buildings and their interface with other sectors. Full article
(This article belongs to the Special Issue Energy Performance and Efficiency in Buildings)
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