This paper presents a framework for costbased decision making for a CF
C conversion strategy. The elements required to perform a cost analysi
s are outline by a how chart, which leads to decision making. The use
of this flow chart can assist in answering hard ''What If?'' questions
. A case study using data pertaining to a 500 ton CFC11 chiller is pre
sented using the suggested framework. (C) 1998 Elsevier Science Ltd. A
II rights reserved.