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Evaluation of Building Energy Use in South Western Nigeria

Received: 2 November 2023     Accepted: 13 December 2023     Published: 18 January 2024
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Abstract

The study investigated the energy needs of buildings in South Western Nigeria; examined factors influencing energy loss in buildings and examined the factors influencing implementation of energy saving opportunities in South Western Nigeria with a view to providing information that will enhance economic (cost) and environmental sustainability. The study made use of primary data collected by carrying out building energy audits on 40 buildings that utilize the heating, ventilation and air conditioning (HVAC) system in the study area selected through a purposive sampling technique and administration of questionnaires to the building users. Data collected included energy needs in buildings, building user’s needs for thermal comfort, air leaks in building envelopes and the envelope characteristics, and user's agreement on energy saving measures. The data were analyzed using frequency, percentage, mode, mean score and heat transmission formular. The results on energy needs revealed that space cooling accounts for the highest (100%) energy need than space heating (10%) in South Western Nigeria. Results on energy loss revealed that inadequate envelope from air leaks with external windows having the highest percent (72.5%) of air leaks, and (67.5%) unawareness of building users are factors influencing energy loss in buildings. The results on energy saving opportunities revealed that efficient building insulation is a vital measure (MS= 3.8) to save energy in buildings in South Western Nigeria and it is influenced by financial capability of building users (MS= 3.7). The study concluded that efficient building insulation is a vital measure to enhance energy savings in buildings and it is greatly influenced by the financial capability of the building users.

Published in International Journal of Sustainable and Green Energy (Volume 13, Issue 1)
DOI 10.11648/j.ijrse.20241301.12
Page(s) 8-18
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Energy Loss, Energy Saving, HVAC, Buildings

References
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Cite This Article
  • APA Style

    Alegbeleye, C. K., Nwaogu, J. M., Ifeoluwa, A., Adelerin, T., Damilola, A. J. (2024). Evaluation of Building Energy Use in South Western Nigeria. International Journal of Sustainable and Green Energy, 13(1), 8-18. https://doi.org/10.11648/j.ijrse.20241301.12

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    ACS Style

    Alegbeleye, C. K.; Nwaogu, J. M.; Ifeoluwa, A.; Adelerin, T.; Damilola, A. J. Evaluation of Building Energy Use in South Western Nigeria. Int. J. Sustain. Green Energy 2024, 13(1), 8-18. doi: 10.11648/j.ijrse.20241301.12

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    AMA Style

    Alegbeleye CK, Nwaogu JM, Ifeoluwa A, Adelerin T, Damilola AJ. Evaluation of Building Energy Use in South Western Nigeria. Int J Sustain Green Energy. 2024;13(1):8-18. doi: 10.11648/j.ijrse.20241301.12

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  • @article{10.11648/j.ijrse.20241301.12,
      author = {Christopher Kolade Alegbeleye and Janet Mayowa Nwaogu and Awotunde Ifeoluwa and Tobi Adelerin and Adetooto Johnson Damilola},
      title = {Evaluation of Building Energy Use in South Western Nigeria},
      journal = {International Journal of Sustainable and Green Energy},
      volume = {13},
      number = {1},
      pages = {8-18},
      doi = {10.11648/j.ijrse.20241301.12},
      url = {https://doi.org/10.11648/j.ijrse.20241301.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijrse.20241301.12},
      abstract = {The study investigated the energy needs of buildings in South Western Nigeria; examined factors influencing energy loss in buildings and examined the factors influencing implementation of energy saving opportunities in South Western Nigeria with a view to providing information that will enhance economic (cost) and environmental sustainability. The study made use of primary data collected by carrying out building energy audits on 40 buildings that utilize the heating, ventilation and air conditioning (HVAC) system in the study area selected through a purposive sampling technique and administration of questionnaires to the building users. Data collected included energy needs in buildings, building user’s needs for thermal comfort, air leaks in building envelopes and the envelope characteristics, and user's agreement on energy saving measures. The data were analyzed using frequency, percentage, mode, mean score and heat transmission formular. The results on energy needs revealed that space cooling accounts for the highest (100%) energy need than space heating (10%) in South Western Nigeria. Results on energy loss revealed that inadequate envelope from air leaks with external windows having the highest percent (72.5%) of air leaks, and (67.5%) unawareness of building users are factors influencing energy loss in buildings. The results on energy saving opportunities revealed that efficient building insulation is a vital measure (MS= 3.8) to save energy in buildings in South Western Nigeria and it is influenced by financial capability of building users (MS= 3.7). The study concluded that efficient building insulation is a vital measure to enhance energy savings in buildings and it is greatly influenced by the financial capability of the building users.
    },
     year = {2024}
    }
    

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  • TY  - JOUR
    T1  - Evaluation of Building Energy Use in South Western Nigeria
    AU  - Christopher Kolade Alegbeleye
    AU  - Janet Mayowa Nwaogu
    AU  - Awotunde Ifeoluwa
    AU  - Tobi Adelerin
    AU  - Adetooto Johnson Damilola
    Y1  - 2024/01/18
    PY  - 2024
    N1  - https://doi.org/10.11648/j.ijrse.20241301.12
    DO  - 10.11648/j.ijrse.20241301.12
    T2  - International Journal of Sustainable and Green Energy
    JF  - International Journal of Sustainable and Green Energy
    JO  - International Journal of Sustainable and Green Energy
    SP  - 8
    EP  - 18
    PB  - Science Publishing Group
    SN  - 2575-1549
    UR  - https://doi.org/10.11648/j.ijrse.20241301.12
    AB  - The study investigated the energy needs of buildings in South Western Nigeria; examined factors influencing energy loss in buildings and examined the factors influencing implementation of energy saving opportunities in South Western Nigeria with a view to providing information that will enhance economic (cost) and environmental sustainability. The study made use of primary data collected by carrying out building energy audits on 40 buildings that utilize the heating, ventilation and air conditioning (HVAC) system in the study area selected through a purposive sampling technique and administration of questionnaires to the building users. Data collected included energy needs in buildings, building user’s needs for thermal comfort, air leaks in building envelopes and the envelope characteristics, and user's agreement on energy saving measures. The data were analyzed using frequency, percentage, mode, mean score and heat transmission formular. The results on energy needs revealed that space cooling accounts for the highest (100%) energy need than space heating (10%) in South Western Nigeria. Results on energy loss revealed that inadequate envelope from air leaks with external windows having the highest percent (72.5%) of air leaks, and (67.5%) unawareness of building users are factors influencing energy loss in buildings. The results on energy saving opportunities revealed that efficient building insulation is a vital measure (MS= 3.8) to save energy in buildings in South Western Nigeria and it is influenced by financial capability of building users (MS= 3.7). The study concluded that efficient building insulation is a vital measure to enhance energy savings in buildings and it is greatly influenced by the financial capability of the building users.
    
    VL  - 13
    IS  - 1
    ER  - 

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Author Information
  • Department of Civil and Transportation Engineering, Poznan University of Technology, Poznan, Poland; Department of Building, Federal University of Technology Akure, Akure, Nigeria

  • Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Hong Kong

  • Department of Civil and Transportation Engineering, Poznan University of Technology, Poznan, Poland

  • Department of Building, Federal University of Technology Akure, Akure, Nigeria

  • Department of Construction Economics and Management, University of Capetown, Rondebosch, Cape Town, South Africa

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