[NEW MEXICO (NM) JR Journeyman Refrigeration Exam Success Course] The JR Journeyman Refrigeration Practice Course is designed for professionals seeking certification in refrigeration systems. This course covers essential topics such as refrigeration cycle principles, system components, installation, maintenance, and troubleshooting. Emphasis is placed on understanding refrigeration theory, equipment operation, and regulatory compliance. Practice questions and detailed explanations will help you master the complexities of refrigeration systems, ensuring you are well-prepared for the journeyman certification exam and capable of delivering high-quality refrigeration services.