2026-2027 Academic Catalog 
    
    Oct 23, 2026  
2026-2027 Academic Catalog
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AHR 255 - Indoor Air Quality


Class Hours: 1 Lab Hours: 2 Clinic/WkExp Hours: 0 Credit Hours: 2

Prerequisite: AHR 110  
Corequisite: None
Local Prerequisite: None
Local Corequisite: None

Additional Fees: $7.50 Lab

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.



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