Students learn the basic theory of refrigeration systems, components used, charging, recycling, and evacuation of refrigeration units. This course covers basic electrical AC and DC theory, including study of Ohm s law and using electrical theory to explain operation of electrical devices. This course covers electrical power, distribution, transformers, capacitors, relays, and electric motors. Laboratory experiences include use of electrical devices to control electrical loads. This course covers refrigerators, freezers, and humidifiers.
Students learn refrigeration, electrical, defrost, and ice maker systems.
Laboratory experiences include troubleshooting and repair of residential refrigeration equipment. This course covers basic heating and air conditioning theory and service. Topics include gas heat, electric heat, heat pumps, residential boiler systems, and central and window air conditioners. This course covers design, installation, and testing of residential heating and cooling systems. Additional topics include duct design and sheet metal work.