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EMSD has installed two oil-free centrifugal compressor chillers, the first introduced into Hong Kong, at the Government House and EMSD Headquarters, to enhance energy efficiency of central air-conditioning systems and reduce associated environmental pollution. These chillers use the latest magnetic bearing technology which reduces energy loss and damage to the bearing and also increases the speed and efficiency of the compressor, achieving a higher energy efficiency but lower noise level during operation than conventional chillers. |
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