Dennis Younkins - Fall 2026

    4 classes at Collin College

    Hybrid
    HART 1401 - Basic Electricity for HVACR Tue 9:00am–11:50amR Tue 8:00am–8:50am
    1 open
    Hybrid
    HART 2438 - Air Conditioning Installation and StartupMon Wed 9:00am–11:50amMon Wed 8:00am–8:50am
    4 open
    Hybrid
    HART 2443 - Industrial Air ConditioningR Tue 9:00am–11:50amR Tue 8:00am–8:50am
    Waitlist
    Hybrid
    HART 2445 - Residential Air Conditioning Systems DesignMon Wed 9:00am–11:50amMon Wed 8:00am–8:50am
    4 open

    Seat counts are from the last time we read the Collin College schedule and can move quickly. Register through the college.