Replacing a chiller or air handler with a more efficient unit is a complex process with many moving parts. But such projects are essential for institutional and commercial facilities looking to improve energy efficiency, control utility costs, and operate more sustainably. In a recent Facility Maintenance Decisions article, Casey Hester explores some of the challenges and offers a path to a successful HVAC upgrade project, with insights from
Randy Hurt, PE, a facility engineer with Vanderbilt University.

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