This military-developed text consists of three blocks of instructional materials for use by those studying to become refrigeration and air conditioning specialists. Covered in the individual course blocks are the following topics: refrigeration and trouble analysis, thermodynamics, and principles of refrigeration; major components and domestic and commercial refrigeration systems; and air conditioning systems (air movement, calculations, and psychometrics; direct expansion air conditioning systems; centrifugal air conditioning systems; and absorption systems). The course contains both teacher and student materials. Printed instructor materials include lesson plans and a plan of instruction detailing the steps of instruction, criterion objectives, the duration of the lessons, and support material and guidance needed. Student materials consist of study guides containing text information and workbooks containing objectives, assignments, and review exercises for each block of instruction. (MN)