[OHIO (OH) Refrigeration Contractor Exam Success Course] The Refrigeration Contractor Practice Course is designed for professionals seeking certification in refrigeration systems. This comprehensive course covers essential topics such as refrigeration principles, system design, installation, and maintenance. Key areas include understanding refrigeration cycles, refrigerants, and system components, as well as troubleshooting techniques and regulatory compliance. Participants will gain insights into various refrigeration applications, from commercial to industrial settings, and learn about best practices for ensuring system efficiency and safety. The course features practice questions and real-world scenarios to help you prepare effectively for the certification exam and handle refrigeration projects with expertise.