case study Oswego, Ill.— Saving $300,000 in ventilation air handling equipment costs by lowering chilled water loop design temperatures at the new Oswego East High School was no sweat for Kluber Skahan + Associates (KSA), the $65 million project’s architect and engineering firm. The real sweat came from eliminating metal ductwork sweating. Specifying 38°F chilled water and 45°F supply air temperatures instead of more conventional temperatures of

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