- Two air-cooled heat exchangers were purchased in the past, and the data are summarized below. What would you expect a new one hundred m² air-cooled exchanger to cost today? Note: n=0.58134 Area (m²) Cost (USD) CEPCI 1990 70 17.000 358 2006 130 34.000 499.6 2017 100 ? 541.7

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