End users of air coolers should insist on a lifecycle analysis, says Hudson Products, Beasley, Texas, with a lowest cost of ownership design vs. the lowest capitalHudson Products cost. These are not the same design, the company notes, and it has found that often, newly commissioned plants need help once new air-cooled heat exchangers are installed to troubleshoot underperforming air coolers built with only lowest capital costs in mind.

Hudson published a case study showing the overall potential savings at http://bit.ly/WtKlpI.