May 15, 2026  
2026-2027 Catalog 
    
2026-2027 Catalog
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AHR 250 - HVAC System Diagnostics


2 Credit Hour(s)

This course is a comprehensive study of air conditioning, heating, and refrigeration system diagnostics and corrective measures. Topics include advanced system analysis, measurement of operating efficiency, and inspection and correction of all major system components. Upon completion, students should be able to restore a residential or commercial AHR system so that it operates at or near manufacturers’ specifications.

Contact Hours: 4
Class Hours: 0
Lab Hours: 4
Prerequisite(s): State Prerequisite: AHR 114  or AHR 133  
Corequisite(s): State corequisite: AHR 112  

Semester(s) Offered: S



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