Breadcrumb Home Heating, Ventilation, Air Conditioning and Refrigeration HV151 HV151: Basic Refrigeration & Hemetics Download as PDF Subject Area Heating, Ventilation, Air Conditioning and Refrigeration Quarter Credits 6 Clock Hours 120 Lecture Hours 60 Lab Hours 60 This course is an introduction to refrigeration Systems and the refrigeration process. Providing the student with instruction on refrigerants and hermetically sealed compressors. Prerequisites None