9 courses with the subject AHR, each shown exactly as we captured it from the college's catalog, with every element we hold. Where the wording looks broken, that is our reading of the catalog, not the college's text.
AHR 110Intro to Refrigeration: 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. Semester: Varies | Class Hours: 2 | Lab Hours: 6 Total Credit Hours: 5
electricity as it applies to HVACR equipment. emphasis is placed on power sources, interaction of electrical components, wiring of simple circuits, and the use of electrical test equipment. Upon completion, students should be able to demonstrate good wiring practices and the ability to read simple wiring diagrams. Semester: Varies | Class Hours: 2 | Lab Hours: 2 Total Credit Hours: 3
fundamentals of heating systems. Topics include safety, instrumentation, system operating, efficiency testing, electrical power, and control systems. Upon completion, students should be able to perform maintenance, service, and testing for major components of a heating system. Semester: Varies | Class Hours: 2 | Lab Hours: 4 Total Credit Hours: 4 53 Academic Catalog 2026-2027
Select one of the following: Pre-Requisites: COM 101 Workplace COM 101: None Communication COM 110 : None OR COM 120: None COM 110 Intro to Comm ENG 111: ENG 025
covers the principles of air source and water source heat pumps. Emphasis is placed on safety, modes of operation, defrost systems, refrigerant charging, and system performance. Upon completion, students should be able to understand and analyze system performance and perform routine service procedures. Semester: Varies | Class Hours: 2 | Lab Hours: 4 Total Credit Hours: 4
AHR 130HVAC Controls: This course covers the types
of controls found in residential and commercial comfort systems. Topics include electrical and electronic controls, control schematics and diagrams, test instruments, and analysis and troubleshooting of electrical systems. Upon completion, students should be able to diagnose and repair common residential and commercial comfort system controls. Semester: Spring | Class Hours: 2 | Lab Hours: 2 Total Credit Hours: 3
the North Carolina codes that are applicable to the design and installation of HVACR systems. Topics include current North Carolina codes as applied to HVACR design, and service industries. Upon completion, students should be able to demonstrate the correct usage of North Carolina codes that apply to specific areas of the HVACR trade. Semester: Spring | Class Hours: 1 | Lab Hours: 2 Total Credit Hours: 2
the techniques of assessing and maintaining the quality of the indoor environment in residential and commercial structures. Topics include handling and investigating complaints, filter selection, humidity control, testing for sources of carbon monoxide, impact of mechanical ventilation, and building and duct pressures. Upon completion, students should be able to assist in investigating and solving common indoor air quality problems. Semester: Spring | Class Hours: 1 | Lab Hours: 2 Total Credit Hours: 2
