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International Journal of Collaborative Enterprise (1 paper in press)
Design and simulation-based validation of life cycle assessment and life cycle cost of an air conditioning system by Bashir Salah Abstract: There has been a widespread utilization of air conditioning (AC) systems in Saudi Arabia due to the presence of harsh and desert climatic conditions. The primary source of energy are electric power stations, which uses fossil fuels, leading to harmful environmental impacts. In fact, the higher consumption of fossil fuels is a challenging issue and requires immediate actions. It has been realized that one fourth of the energy consumption occurs in buildings, including AC systems. One of the side-effects of the increasing use of ACs is ozone depletion, which in turn causes an emissions of hydrofluorocarbons and subsequently jump in temperature even above those expected under global warming scenarios. The remanufacturing has been reported as one of the better environmental option owing to waste reduction and minimal use of raw materials. Therefore, this study have compared the manufacturing and remanufacturing energy intensities of ACs in terms of environmental and resource economics. This comparison was carried out using an environmental life cycle assessment based on ISO 14044. In addition, a life cycle cost (LCC) analysis based on ISO 15686 has also been carried out to determine the most cost effective option from the users perspective in different sectors. The results were validated using uncertainty analysis technique. These findings were used to estimate the manufacturing/remanufacturing energy across multiple use cycles. Keywords: Environmental Life Cycle Assessment; Air Conditioning; Life Cycle Cost; Payback period.