This report documents the development of an hourly computer simulation program for modeling static (ice-on-coil) ice storage systems to provide thermal storage in HVAC systems applications. It is the final report for ASHRAE Research Project 459-RP, "Modeling of Performance of Ice-Storage Systems" that was sponsored by ASHRAE through its Technical Committee 6.9 (Thermal Storage). The program, called CBS/ICE, is structured as part of the D0E-2/CBS building energy analysis computer program, but can be run in a stand alone mode. It simulates, in detail, the seasonal energy use and peak-demand performance of HVAC systems incorporating ice storage for use by ice storage system designers.