May 03, 2026  
2026-2027 CNM Catalog, Volume 58 
    
2026-2027 CNM Catalog, Volume 58

DETC 1230 - Medium/Heavy Duty Heating, Ventilation and Air Conditioning

2 credit hour(s)
Prerequisite: DETC 1110  + DETC 1120  + DETC 1130  + DETC 1150  
Presents testing, evacuating and charging of air conditioning systems while maintaining an awareness of potential environmental concerns caused by medium/heavy equipment refrigerants. Addresses theory, cooling and heating diagnosis, climate control troubleshooting and component repair. 

Theory Hours: 15
Lab Hours: 45