ACR 1052 Air Conditioning and Refrigeration Theory I ACR 1121 HVAC Controls ACR 1122 Refrigeration Controls ACR 1170 Basic Electricity and Schematics ACR 1420 Air Conditioning and Refrigeration Theory II ACR 1611 Applied Heating I ACR 1616 Applied Heating II ACR 1946 Cooperative Education Work Experience I ACR 1947 Cooperative Education Work Experience II ACR 2421 Duct System Design