Contact Hour Total:64 Study of the procedures and principles used in servicing heating systems including gas fired furnaces and electric heating systems. Prerequisite(s): HART 1401 AND CNBT 1210 Corequisite(s): HART 1401 AND CNBT 1210 Co-enrolled: None Course Fee:100 Texas Higher Education Coordinating Board Workforce Education Course Manual (WECM) course