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This paper, computer energy modeling is used to estimate the potential energy savings of refurbishing existing public federal housing in the United Arab Emirates. Such houses are built by the UAE Ministry of Public Works (MoPW) in five of the seven emirates that make up the UAE federation. The energy modeling was performed using the Integrated Environmental Solutions-Virtual Environment (IES-VE) commercial software. The study covered representative MoPW houses built in the period of 1974-2012. The results indicate potential energy savings upto 30.8% for the case of model 717 when refurbished to 2 Pearls standards compared to the as built configuration. The results showed little benefit in going from 1 Pearl to 2 Pearls refurbishment level. Thus 1 Pearl seems to be the most practical. This shows the high potential for energy, and thus environmental, savings should refurbishment be carried out on the homes built by the MoPW.