The use of solar power at a large residential project in the United Arab Emirates, Ruwais Housing Complex, will result in cost savings and lower maintenance costs, according to a report. Other residential development companies in the UAE too should utilize solar power, the report added.ABU DABI, United Arab Emirates 2002-03-07 [SolarAccess.com] At the Ruwais Housing Complex Expansion (RHCE), 248 solar water heaters of 300-liter capacity each have been installed to provide domestic hot water for 620 family apartments. Moreover, the cost of the solar heaters can be totally recovered in about six years. As a long term investment, these heaters have a continuous working life in excess of 12 years. A good quality solar heater such as those used in the RHCE project can last the lifetime of two or even three conventional electrical water heaters, and there are no consumption bills or maintenance bills as needed for electrical water heaters. RHCE consists of 50 multi-story buildings. Based on the initial design of the project, such buildings would have four to five conventional electric water heaters with its associated accessories. “The use of solar heating not only saves on spare parts but also saves on installation and routine maintenance costs,” according to the report. “It is hoped that all other residential development companies in the UAE will follow suit in the utilization of solar power.