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Economic potential of vertical ground-source heat pumps compared to air-source air conditioners in South Africa

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  • Petit, P.J.
  • Meyer, J.P.

Abstract

This study was undertaken to compare the economic viability in Johannesburg, R.S.A., of vertical ground-source and air-source systems. Capital costs and optimum borehole length of the ground system were determined. Monthly heating and cooling capacities, and COPs were evaluated to determine running costs. Payback periods, net present values and internal rates of return were computed. The vertical ground-source system was marginally cheaper than the air-source counterpart.

Suggested Citation

  • Petit, P.J. & Meyer, J.P., 1998. "Economic potential of vertical ground-source heat pumps compared to air-source air conditioners in South Africa," Energy, Elsevier, vol. 23(2), pages 137-143.
    • Handle: RePEc:eee:energy:v:23:y:1998:i:2:p:137-143
    DOI: 10.1016/S0360-5442(97)00057-1
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    Citations

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    Cited by:

    1. Ioan Sarbu & Calin Sebarchievici, 2020. "Exploratory Research to Improve Energy-Efficiency of a Ground-Coupled Heat Pump Utilizing an Automatic Control Device of Circulation Pump Speed," Energies, MDPI, vol. 13(19), pages 1-19, September.
    2. Blum, Philipp & Campillo, Gisela & Kölbel, Thomas, 2011. "Techno-economic and spatial analysis of vertical ground source heat pump systems in Germany," Energy, Elsevier, vol. 36(5), pages 3002-3011.
    3. Bakirci, Kadir, 2010. "Evaluation of the performance of a ground-source heat-pump system with series GHE (ground heat exchanger) in the cold climate region," Energy, Elsevier, vol. 35(7), pages 3088-3096.
    4. Camdali, Unal & Bulut, Murat & Sozbir, Nedim, 2015. "Numerical modeling of a ground source heat pump: The Bolu case," Renewable Energy, Elsevier, vol. 83(C), pages 352-361.
    5. Antonio Novelli & Valentina D’Alonzo & Simon Pezzutto & Rubén Aarón Estrada Poggio & Alessandro Casasso & Pietro Zambelli, 2021. "A Spatially-Explicit Economic and Financial Assessment of Closed-Loop Ground-Source Geothermal Heat Pumps: A Case Study for the Residential Buildings of Valle d’Aosta Region," Sustainability, MDPI, vol. 13(22), pages 1-22, November.
    6. Ioan Sarbu & Calin Sebarchievici, 2016. "Performance Evaluation of Radiator and Radiant Floor Heating Systems for an Office Room Connected to a Ground-Coupled Heat Pump," Energies, MDPI, vol. 9(4), pages 1-19, March.
    7. Bakirci, Kadir & Colak, Derya, 2012. "Effect of a superheating and sub-cooling heat exchanger to the performance of a ground source heat pump system," Energy, Elsevier, vol. 44(1), pages 996-1004.
    8. Ma, Zhenjun & Xia, Lei & Gong, Xuemei & Kokogiannakis, Georgios & Wang, Shugang & Zhou, Xinlei, 2020. "Recent advances and development in optimal design and control of ground source heat pump systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 131(C).
    9. Hwang, Yujin & Lee, Jae-Keun & Jeong, Young-Man & Koo, Kyung-Min & Lee, Dong-Hyuk & Kim, In-Kyu & Jin, Sim-Won & Kim, Soo H., 2009. "Cooling performance of a vertical ground-coupled heat pump system installed in a school building," Renewable Energy, Elsevier, vol. 34(3), pages 578-582.
    10. Aira, Roberto & Fernández-Seara, José & Diz, Rubén & Pardiñas, Ángel Á., 2017. "Experimental analysis of a ground source heat pump in a residential installation after two years in operation," Renewable Energy, Elsevier, vol. 114(PB), pages 1214-1223.
    11. Lu, Qi & Narsilio, Guillermo A. & Aditya, Gregorius Riyan & Johnston, Ian W., 2017. "Economic analysis of vertical ground source heat pump systems in Melbourne," Energy, Elsevier, vol. 125(C), pages 107-117.
    12. Sebarchievici, Calin & Sarbu, Ioan, 2015. "Performance of an experimental ground-coupled heat pump system for heating, cooling and domestic hot-water operation," Renewable Energy, Elsevier, vol. 76(C), pages 148-159.
    13. Luo, Jin & Zhang, Yuhao & Rohn, Joachim, 2020. "Analysis of thermal performance and drilling costs of borehole heat exchanger (BHE) in a river deposited area," Renewable Energy, Elsevier, vol. 151(C), pages 392-402.

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