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Energies
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Sustainable Heating and Cooling Technologies for Low-Carbon Buildings
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Sustainable Heating and Cooling Technologies for Low-Carbon Buildings

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

Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 5292

Special Issue Editors

Dr. Jingyu Cao

E-Mail Website
Guest Editor
Department of Building Environment and Energy Application Engineering, Hunan University, Changsha 410082, China
Interests: renewable energy utilization and sustainable technologies in buildings; advanced heat transfer; heat pipe; two-phase heat transfer; air conditioning; heat pump
Special Issues, Collections and Topics in MDPI journals
Dr. Bendong Yu

E-Mail Website
Guest Editor
College of Urban Construction, Nanjing Tech University, Nanjing 210009, China
Interests: building energy-saving technology; photovoltaic/thermal (PV/T) technology; solar air purification technology
Special Issues, Collections and Topics in MDPI journals
Dr. Haifei Chen

E-Mail Website
Guest Editor
Department of Energy and Power Engineering, Changzhou University, Changzhou 213164, China
Interests: solar energy; photovoltaic cell; heat pump; energy saving; BIPV; HVAC
Special Issues, Collections and Topics in MDPI journals
Dr. Zhongting Hu

E-Mail Website
Guest Editor
School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei, China
Interests: building-integrated solar energy; indoor environmental quality and thermal comfort

Special Issue Information

Dear Colleagues,

The building sector consumes about 30% of the worldwide energy supply and leads to a staggering amount of carbon emissions, in which heating and cooling demands are some of the key factors. Thus, it is significant and urgent to develop clean and low-carbon/zero-carbon heating and cooling technologies to promote sustainability in the operation and maintenance of buildings in the context of growing energy and environmental crises. In recent years, many studies involving sustainable heating and cooling technologies have been conducted in this specific field. To further spread sustainable heating and cooling technologies for low-carbon buildings, this Special Issue on “Sustainable Heating and Cooling Technologies for Low-Carbon Buildings” is being launched to collect cutting-edge research addressing problems and challenges in building heating and cooling. Original research papers reporting critical reviews and theoretical and experimental investigations of new innovations and developments of sustainable heating and cooling technologies for low-carbon buildings are welcome.

Dr. Jingyu Cao
Dr. Bendong Yu
Dr. Haifei Chen
Dr. Zhongting Hu
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. 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

  • building-integrated renewable energy
  • heat pump assisted by renewable energy
  • free/passive heating and cooling of buildings
  • advanced heating/cooling cycle
  • combined supply of cooling and heating for buildings
  • building energy flexibility
  • smart management of building energy
  • sustainable building material
  • thermal storage
  • heat recovery

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Published Papers (4 papers)

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Research

12 pages, 3761 KiB  
Article
The Impact of the Location of a Passive Frame House on Its Energy Demand for the Purpose of Heating—A Case Study
by Krzysztof Wąs
Energies 2024, 17(12), 2944; https://doi.org/10.3390/en17122944 - 14 Jun 2024
Viewed by 576
Abstract
The reduction of energy demand in buildings is one of the key challenges in contemporary construction. To this end, the application of structural and material partitioning solutions that provide a high level of thermal insulation and the employment of technical installations with high [...] Read more.
The reduction of energy demand in buildings is one of the key challenges in contemporary construction. To this end, the application of structural and material partitioning solutions that provide a high level of thermal insulation and the employment of technical installations with high energy performance have become widespread. However, there are a number of other factors that can reduce energy demand. These include the optimal use of heat gains from solar radiation. An aspect that is often discussed in the literature is the overheating of buildings due to excessive heat gains from solar radiation. This article is a case study showing the impact of the orientation of a single-family passive house on its heating energy demand. The building under consideration is located in Central Europe. External climate parameters measured directly at the site during experimental examinations were used for the calculations. This paper adopts six calculation options, considering the different orientations of the glazed façade. As the simulations showed, the effect of solar radiation on the energy demand between two extreme options of glazing orientation, that is south and north-facing orientation, reached 4.7% of the annual energy demand for heating, while for the option corresponding to the actual location of the building and the option involving south-facing windows, the difference was 0.3%, respectively. Full article
(This article belongs to the Special Issue Sustainable Heating and Cooling Technologies for Low-Carbon Buildings)
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24 pages, 16241 KiB  
Article
Analysis of Peak Demand Reduction and Energy Saving in a Mixed-Use Community through Urban Building Energy Modeling
by Wenxian Zhao, Zhang Deng, Yanfei Ji, Chengcheng Song, Yue Yuan, Zhiyuan Wang and Yixing Chen
Energies 2024, 17(5), 1214; https://doi.org/10.3390/en17051214 - 3 Mar 2024
Viewed by 1375
Abstract
Energy saving in buildings is essential as buildings’ operational energy use constitutes 30% of global energy consumption. Urban building energy modeling (UBEM) effectively understands urban energy consumption. This paper applied UBEM to assess the potential of peak demand reduction and energy saving in [...] Read more.
Energy saving in buildings is essential as buildings’ operational energy use constitutes 30% of global energy consumption. Urban building energy modeling (UBEM) effectively understands urban energy consumption. This paper applied UBEM to assess the potential of peak demand reduction and energy saving in a mixed-use community, using 955 residential buildings, 35 office buildings and 7 hotels in Shenzhen, China, as a case study. The building type and period were collected based on the GIS dataset. Then, the baseline models were generated by the UBEM tool—AutoBPS. Five scenarios were analyzed: retrofit-window, retrofit-air conditioner (AC), retrofit-lighting, rooftop photovoltaic (PV), and demand response. The five scenarios replaced the windows, enhanced the AC, upgraded the lighting, covered 60% of the roof area with PV, and had a temperature reset from 17:00 to 23:00, respectively. The results show that using retrofit-windows is the most effective scenario for reducing peak demand at 19.09%, and PV reduces energy use intensity (EUI) best at 29.96%. Demand response is recommended when further investment is not desired. Retrofit-lighting is suggested for its low-cost, low-risk investment, with the payback period (PBP) not exceeding 4.54 years. When the investment is abundant, retrofit-windows are recommended for public buildings, while PV is recommended for residential buildings. The research might provide practical insights into energy policy formulation. Full article
(This article belongs to the Special Issue Sustainable Heating and Cooling Technologies for Low-Carbon Buildings)
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16 pages, 8155 KiB  
Article
Comprehensive Characterization of Energy Saving and Environmental Benefits of Campus Photovoltaic Buildings
by Jie Yang, Baorui Cai, Jingyu Cao, Yunjie Wang, Huihan Yang and Ping Zhu
Energies 2023, 16(20), 7152; https://doi.org/10.3390/en16207152 - 19 Oct 2023
Cited by 2 | Viewed by 1035
Abstract
The development of campus photovoltaic buildings is a promising way to solve the problem of high energy consumption in colleges and universities. However, comprehensive study on their energy saving and environmental benefits is still insufficient. In this study, a theoretical model of a [...] Read more.
The development of campus photovoltaic buildings is a promising way to solve the problem of high energy consumption in colleges and universities. However, comprehensive study on their energy saving and environmental benefits is still insufficient. In this study, a theoretical model of a photovoltaic building roof system was preliminarily built, and the main factors affecting the power generation of campus photovoltaic buildings were analyzed. Furthermore, an experimental test platform for the campus photovoltaic building system was built, and a dynamic grid-connected strategy of “spontaneous self-use, surplus electricity connected to the grid” was creatively proposed, which points out that the grid connection rate in winter and summer vacations are about 15% and over 40%, respectively, and the annual grid connection rate is 25%. The result shows that the electricity input of the campus photovoltaic building can bear nearly 30% of the school’s annual electricity supply, which reduces the comprehensive energy consumption per unit area and per capita comprehensive energy consumption of the campus by more than 20%. The economic and environmental benefits of the 130,000 square meter campus photovoltaic building in the article are 38.8 million CNY and 20.12 million CNY, respectively, and the static investment payback period is about 7 years. The results show considerable reference value to the upgrading of campus photovoltaic buildings. Full article
(This article belongs to the Special Issue Sustainable Heating and Cooling Technologies for Low-Carbon Buildings)
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27 pages, 8276 KiB  
Article
Energy and Cost Analysis of an Integrated Photovoltaic and Heat Pump Domestic System Considering Heating and Cooling Demands
by Mikel Arenas-Larrañaga, Maider Santos-Mugica, Laura Alonso-Ojanguren and Koldobika Martin-Escudero
Energies 2023, 16(13), 5156; https://doi.org/10.3390/en16135156 - 4 Jul 2023
Viewed by 1649
Abstract
The integration of photovoltaic panels and heat pumps in domestic environments is a topic that has been studied extensively. Due to their electrical nature and the presence of elements that add thermal inertia to the system (water tanks and the building itself), the [...] Read more.
The integration of photovoltaic panels and heat pumps in domestic environments is a topic that has been studied extensively. Due to their electrical nature and the presence of elements that add thermal inertia to the system (water tanks and the building itself), the functioning of compression heat pumps can be manipulated to try to fulfill a certain objective. In this paper, following a rule-based control concept that has been identified in commercial solutions and whose objective is to improve the self-consumption of the system by actively modulating the heat pump compressor, a parametric analysis is presented. By making use of a lab-tested model, the performance of the implemented control algorithm is analyzed. The main objective of this analysis is to identify and quantify the effects of the main parameters in the performance of the system, namely the climate (conditioning both heating and cooling demands), the photovoltaic installation size, the thermal insulation of the building and the control activation criteria. A total of 168 yearly simulations have been carried out. The results show that the average improvement in self-consumption is around 13%, while the cost is reduced by 2.5%. On the other hand, the heat from the heat pump and the power consumed increase by 3.7% and 5.2%, respectively. Finally, a linear equation to estimate the performance of the controller is proposed. Full article
(This article belongs to the Special Issue Sustainable Heating and Cooling Technologies for Low-Carbon Buildings)
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