May 29, 2026  
2026-2027 Gaston College Catalog and Student Handbook 
    
2026-2027 Gaston College Catalog and Student Handbook
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AHR 110 Intro to Refrigeration (5 Credit Hours)


Class Hours: 2
Lab Hours: 6
Clinical/Work Experience Hours: 0
Prerequisites: None
Corequisites: None
This course introduces the basic refrigeration process used in mechanical refrigeration and air conditioning systems. Topics include terminology, safety, and identification and function of components; refrigeration cycle; and tools and instrumentation used in mechanical refrigeration systems. Upon completion, students should be able to identify refrigeration systems and components, explain the refrigeration process, and use the tools and instrumentation of the trade.



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