Abstract
This paper investigates the performance characteristics of three domestic refrigerators, namely the vapour compression (VC), the thermoelectric (TE) and the absorption refrigeration (AR). AR and TE refrigerators are the result of research and development in refrigeration system in the quest to find a cooling system which does not use any refrigerant that damages the ozone layer. Three refrigerators of similar capacity (about 50 l) were compared for their usage in the hotel industry in view of their energy efficiency, noise produced and cost (owning as well as running). It was found that the VC refrigerator consumed the least energy, was least costly but was the noisiest. The absorption refrigerator was the quietest of the three but was the least energy efficient and most expensive. The thermoelectric refrigerator was the costliest, nearly as noisy as the VC but was a little less energy efficient than the absorption refrigerator. Copyright © 2000 John Wiley & Sons, Ltd.
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