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Life-cycle cost analysis for constant-air-volume and variable-air-volume air-conditioning systems

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  • Aktacir, Mehmet Azmi
  • Büyükalaca, Orhan
  • YIlmaz, Tuncay

Abstract

This study presents a life-cycle cost analysis using detailed load profiles and initial and operating costs to evaluate the economic feasibilities of constant-air-volume (CAV) and variable-air-volume (VAV) air-conditioning systems. The present-worth cost method for life-cycle cost analysis is applied to a sample building located in Adana, Turkey which can be conditioned with CAV or VAV systems. In the analysis, two different uses of the building (as a school or as an office center), two different operating scenarios for air-conditioning system (scenario 1 and scenario 2) and two different economic measures (developed and developing economy) are considered. It is found, for all the cases considered, that although initial cost of the VAV system is higher than that of the CAV system, the present-worth cost of the VAV system is lower than that of the CAV system at the end of the lifetime due to lower fan-operating costs.

Suggested Citation

  • Aktacir, Mehmet Azmi & Büyükalaca, Orhan & YIlmaz, Tuncay, 2006. "Life-cycle cost analysis for constant-air-volume and variable-air-volume air-conditioning systems," Applied Energy, Elsevier, vol. 83(6), pages 606-627, June.
    • Handle: RePEc:eee:appene:v:83:y:2006:i:6:p:606-627
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    References listed on IDEAS

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    1. Hasan, Afif, 1999. "Optimizing insulation thickness for buildings using life cycle cost," Applied Energy, Elsevier, vol. 63(2), pages 115-124, June.
    2. Elsafty, A & Al-Daini, A.J, 2002. "Economical comparison between a solar-powered vapour absorption air-conditioning system and a vapour compression system in the Middle East," Renewable Energy, Elsevier, vol. 25(4), pages 569-583.
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    1. Muharrem Imal & Koray Yılmaz & Ahmet Pınarbaşı, 2015. "Energy Efficiency Evaluation and Economic Feasibility Analysis of a Geothermal Heating and Cooling System with a Vapor-Compression Chiller System," Sustainability, MDPI, vol. 7(9), pages 1-21, September.
    2. Jahangir Hossain & Aida. F. A. Kadir & Ainain. N. Hanafi & Hussain Shareef & Tamer Khatib & Kyairul. A. Baharin & Mohamad. F. Sulaima, 2023. "A Review on Optimal Energy Management in Commercial Buildings," Energies, MDPI, vol. 16(4), pages 1-40, February.
    3. Aktacir, Mehmet Azmi & Büyükalaca, Orhan & YIlmaz, Tuncay, 2010. "A case study for influence of building thermal insulation on cooling load and air-conditioning system in the hot and humid regions," Applied Energy, Elsevier, vol. 87(2), pages 599-607, February.

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