System selection is crucial to the proper operation of chilled water plants. This article is the first in a series by Steve Taylor, P.E. The series is based on the research used to support a new ASHRAE Self-Directed Learning Course. A technology award winning article explains how a Hawaiian resort’s central plant heat rejection system remodel resulted in energy savings of $1.58 million. Also: selecting fans to save energy, high risk walls, and Equinox House performance.