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Symphony Towers
The 565,000 square foot Symphony Towers building is cooled by two 550 ton chillers. It was upgraded to an all-variable speed Hartman LOOP operation in 2002. The cost of the upgrade to the Hartman LOOP was $ 425,000.00 and the annual savings generated is $165,000 annually. The cash on cash return on investment for the owner was 38%. The actual cost of operating the chiller plant before and after the installation of the Hartman LOOP is shown in the chart below.
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