HVAC 21 - Introduction to the Refrigerant System

    Recent Professors
    Thomas M. Wycoff
    Recent Semesters
    Spring 2026
    Class Size
    20 students
    Credits
    4
    Prerequisite
    Prerequisite: ITEC 55, HVAC 11, HVAC 12, HVAC 13 Corequisite: HVAC 22, HVAC 23
    Spring 2026 Sections
    View Spring 2026 sections of HVAC 21
    Transfers To
    CSU
    Description
    This course is designed to provide pre-employment training in Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) systems for industrial trades. Emphasis will be placed on developing safety skills, metering and gauge identification, lubrication oils used, replacement of refrigerant circuits, knowledge of heat pump systems, and inspection and maintenance of procedures. These areas of instruction will be applied in several hands on performance lab exercises. This course is part of the National Center For Construction Education and Research (NCCER) core curriculum qualification.
    Usually Held
    Tue 10:00am–11:50am, Tue 12:30pm–4:20pm, Tue 8:00am–9:50am