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Energy analysis of buildings employing thermal mass in Cyprus


  • Kalogirou, Soteris A.
  • Florides, George
  • Tassou, Savvas


In this paper the effects on the heating and cooling load resulting from the use of building thermal mass in Cyprus are presented. This is achieved by modelling and simulation with the TRNSYS program of a typical four-zone building with an insulated roof in which the south wall of one of the zones has been replaced by a thermal wall. Despite the fact that the diurnal temperature variations in Cyprus are ideal for the application of thermal mass, no such application is presently available. Therefore the main objective of this paper is to investigate the possible benefits resulting from such an application. The results of the simulation show that there is a reduction in the heating load requirement of the zone by about 47%, whereas at the same time a slight increase of the zone-cooling load is exhibited. Optimisations of the various construction parameters have also been carried out. The optimum overhang size is found to be equal to 1.2 m with minor variations in the range of 1 to 1.5 m. The effect of the air gap size between the glazing and the thermal wall is insignificant. The optimum value of wall thickness obtained is equal to 25 cm. The effect of roof insulation is investigated and it is found that insulation is a must for better comfort conditions. Also, the effect of applying ventilation whenever the ambient temperature is lower than the indoor temperature during summertime is investigated. A reduction of 7.5% is obtained when air at 3 air changes per hour is directed into the house. In conclusion it can be said that the thermal wall offers some advantages and should be used whenever buildings are erected with south-facing walls.

Suggested Citation

  • Kalogirou, Soteris A. & Florides, George & Tassou, Savvas, 2002. "Energy analysis of buildings employing thermal mass in Cyprus," Renewable Energy, Elsevier, vol. 27(3), pages 353-368.
  • Handle: RePEc:eee:renene:v:27:y:2002:i:3:p:353-368
    DOI: 10.1016/S0960-1481(02)00007-1

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    References listed on IDEAS

    1. Petrakis, M. & Kambezidis, H.D. & Lykoudis, S. & Adamopoulos, A.D. & Kassomenos, P. & Michaelides, I.M. & Kalogirou, S.A. & Roditis, G. & Chrysis, I. & Hadjigianni, A., 1998. "Generation of a “typical meteorological year” for Nicosia, Cyprus," Renewable Energy, Elsevier, vol. 13(3), pages 381-388.
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    Cited by:

    1. Quesada, Guillermo & Rousse, Daniel & Dutil, Yvan & Badache, Messaoud & Hallé, Stéphane, 2012. "A comprehensive review of solar facades. Opaque solar facades," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 2820-2832.
    2. Panayi, Panayiotis, 2004. "Prioritising energy investments in new dwellings constructed in Cyprus," Renewable Energy, Elsevier, vol. 29(5), pages 789-819.
    3. Verbeke, Stijn & Audenaert, Amaryllis, 2018. "Thermal inertia in buildings: A review of impacts across climate and building use," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 2300-2318.
    4. Koroneos, C. & Fokaidis, P. & Moussiopoulos, N., 2005. "Cyprus energy system and the use of renewable energy sources," Energy, Elsevier, vol. 30(10), pages 1889-1901.
    5. Patlitzianas, Konstantinos D. & Kagiannas, Argyris G. & Askounis, Dimitris Th. & Psarras, John, 2005. "The policy perspective for RES development in the new member states of the EU," Renewable Energy, Elsevier, vol. 30(4), pages 477-492.
    6. Solgi, Ebrahim & Fayaz, Rima & Kari, Behrouz Mohammad, 2016. "Cooling load reduction in office buildings of hot-arid climate, combining phase change materials and night purge ventilation," Renewable Energy, Elsevier, vol. 85(C), pages 725-731.
    7. Axaopoulos, Ioannis & Axaopoulos, Petros & Panayiotou, Gregoris & Kalogirou, Soteris & Gelegenis, John, 2015. "Optimal economic thickness of various insulation materials for different orientations of external walls considering the wind characteristics," Energy, Elsevier, vol. 90(P1), pages 939-952.
    8. Bessa, Vanessa M.T. & Prado, Racine T.A., 2015. "Reduction of carbon dioxide emissions by solar water heating systems and passive technologies in social housing," Energy Policy, Elsevier, vol. 83(C), pages 138-150.
    9. Dodoo, Ambrose & Gustavsson, Leif & Sathre, Roger, 2012. "Effect of thermal mass on life cycle primary energy balances of a concrete- and a wood-frame building," Applied Energy, Elsevier, vol. 92(C), pages 462-472.

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