Calculation of Annual Heating and Cooling Energy Requirements for Residential Building in Different Climate Zones in Libya | OMICS International| Abstract
ISSN: 2576-1463

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  • Research Article   
  • Innov Ener Res 2017, Vol 6(2): 161
  • DOI: 10.4172/2576-1463.1000161

Calculation of Annual Heating and Cooling Energy Requirements for Residential Building in Different Climate Zones in Libya

Awad Bodalal*, Salah Mashite, Omar Aladouli and Ahmed Ihdash
Department of Mechanical Engineering, Faculty of Engineering, Benghazi University, Benghazi, Libya
*Corresponding Author : Awad Bodalal, Mechanical Engineering Department, Faculty of Engineering, Benghazi University, Benghazi, Libya, Tel: 091-478-9141, Email: [email protected]

Received Date: Nov 21, 2017 / Accepted Date: Nov 30, 2017 / Published Date: Dec 06, 2017


In Libya, the building sector is rapidly growing and consequently more energy is being expended in this field. Due to the nature of our climate, HVAC (Heating, Ventilation and Air-Conditioning) is the primary consumer of energy in buildings. A large portion of this energy may be saved through the use of insulation in order to increase the thermal efficiency. Energy saving techniques are just as important as the development of new energy sources. This paper investigates potential of energy consumption reduction, cost savings and pollutant emission prevention achieved by installing different insulation materials of optimum thickness in residential building wall in Libya. A degree day approach was used for these calculations. Cooling and heating degree day were first calculated for twenty locations across Libya. Then a systematic procedure for optimization of insulation material thickness, payback period and cost analysis was developed and applied for three different types of wall insulation materials. Finally, a correlation between the CDD/HDD and the optimum thickness of insulation materials is presented. The results show that, by introducing optimum insulation thickness of different insulation materials the energy consumption and emissions can be reduced by 70%-80% in comparison to a wall without insulation.

Keywords: Energy saving; Cooling and heating degree day; Insulation material; Optimum thickness; Payback period

Citation: Bodalal A, Mashite S, Aladouli O, Ihdash A (2017) Calculation of Annual Heating and Cooling Energy Requirements for Residential Building in Different Climate Zones in Libya. Innov Ener Res 6: 161. Doi: 10.4172/2576-1463.1000161

Copyright: © 2017 Bodalal A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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