There is a laundry list of chiller types in the installed base, but all of them have one thing in common: The equipment requires maintenance. Depending on the type of chiller and the time of year, contractors can find themselves working on an annual maintenance call, seasonal start-up service, an inspection service, or shutdown service. Contractors not only deal with the equipment, but they also have to help make the customer understand the importance of chiller maintenance. How does a contractor accomplish these tasks successfully?