Students will be able to: apply personal and environmental safety procedures, including personal protective equipment (PPE) and fire protection equipment and procedures; explain electrical safety procedures and HVAC-specific safety procedures; define modes of heat transfer and British Thermal Unit (BTU); measure with a ruler, correctly identify fractions; calculate GPM, CFM, and CFM per ton; explain the properties of air; accurately interpret blueprints and electrical diagrams; identify, use, and maintain hand and power tools; explain basic electrical theory and codes; define series and parallel circuits; troubleshoot, service, and repair various electrical circuits and components (thermostats, transformers, fuses, relays, etc.) and troubleshoot, service, and repair various motors and motor controls, including circuit protectors; solder and/or braze, and leak test tubings and fittings; set up and operate torch and equipment; properly use various pipe and tubing types and fittings; maintain appropriate indoor air quality equipment (air cleaners, humidification, etc.); measure temperature change, calculate CFM, and perform other system operation measurements; explain sequence of operation; properly set up and adjust warm air equipment; install and size flues properly, adhering to appropriate gas codes; perform preventive maintenance procedures, including combustion analysis and calculating efficiency; service and repair hydronic systems and components, including zone valves; troubleshoot hydronic operating pressures, water flow, and temperatures; identify refrigerants by pressure/temperature relationship and select appropriate refrigerants and oils; troubleshoot system components and metering devices;  recover, pressure-test, evacuate, and charge an air; conditioning system, according to the EPA 608 Clean Air Act; troubleshoot and test proper operation of heat pumps, reversing valve, defrost controls, etc.; perform preventive maintenance procedures for heat pumps, including calculating system efficiency; troubleshoot refrigerant components using proper testing procedures; describe various refrigeration system types and operations; and service and repair defrost system controls and components. Performance Component: Troubleshoot and Repair Heat Pump (34%), Pump Down Refrigeration System and Replace Liquid Line Filter Drier (49%), and Locate an AC/R System Leak (17%).