This topic presents information on fuel system design, providing guidelines for determining the facility fuel requirements and information on selecting equipment needed to treat fuels prior to use. Technical explanations on Fired heaters and their uses, along with guidelines for selecting and specifying a fired heater is presented. The next tutorial provides methods for determining the amount of waste heat energy available, and presents information and procedures on the design of a waste heat recovery system. Then, various components of refrigeration and heating systems are described, and a procedure is established for sizing evaporator duties, condenser duties, compressor horsepower, fan horsepower and duct sizes. In the last two subtopics, a basic understanding of reciprocating and centrifugal pumps is provided.