2026-2027 Catalog 
    
    Jun 08, 2026  
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2026-2027 Catalog
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AIR 121: Air Conditioning and Refrigeration I

3 Credits

Lecture hours per week: 2
Laboratory hours per week: 2

Studies refrigeration theory, characteristics of refrigerants, temperature, and pressure, tools and equipment, soldering, brazing, refrigeration systems, system components, compressors, evaporators, and metering devices. Presents charging and evaluation of systems and leak detection. Explores servicing the basic system. Explains use and care of oils and additives and troubleshooting of small commercial systems. An additional career and technical education course specific fee of $25.00 per credit hour applies to this course. The price is discounted 50% to $12.50 per credit hour for the 2026-27 academic year only.
Total 4-6 hours per week.


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