Measure various electrical values accurately.

Utilize a multimeter to capture precise temperature readings in the field.

Identify the correct settings and probe placements for different testing scenarios.

Distinguish between various HVAC configurations, including heat pumps, mini-splits, and packaged units.

Explain the operational mechanics of electric furnaces and window air conditioning units.

Evaluate which HVAC systems are best suited for specific climates.

Identify major refrigeration components, including the compressor, condenser, metering device, and evaporator.

Describe the function of essential heating parts such as gas valves, burner assemblies, and limit switches.

Explain the role of secondary HVAC components like suction and liquid lines, filter dryers, and reversing valves.

Identify critical gas furnace parts, including ignition controls, fan controls, and gas valves.

Explain the role and function of heating motors and hydronic controls within a system.

Distinguish between electrical and safety controls and understand the requirements for part identification.

Identify key cooling motors, including the condenser fan and blower motor.

Describe the function of essential mechanical parts like contactors, capacitors, circuit boards, and blower wheels.

Explain the roles of refrigerant and metering devices within the overall refrigerant cycle.

Explain how refrigerants work within a system and identify their key physical and chemical characteristics.

Identify the most common refrigerants currently utilized in the field and understand why they are prioritized.

Analyze the future of the industry, including the shift toward environmentally friendly, sustainable, and affordable options.

Explain the mechanics of changing pressure using a pump.

Operate a compound or low-side gauge and a gauge manifold to monitor system performance.

Analyze the pressure-temperature relationship using standard PT charts.

Identify the unique features of A2L refrigerants, specifically their low flammability and low toxicity levels.

Select and utilize the commonly used tools and equipment designed for A2L handling and maintenance.

Implement best practices for the safe transportation, storage, and handling of A2L materials in any professional setting.

Perform temperature conversions between Fahrenheit and Celsius and read absolute scales like Rankine and Kelvin.

Explain how temperature changes affect molecular motion and identify the three mechanisms of heat transfer in everyday life.

Calculate absolute and barometric pressure and apply these measurements to find saturated temperatures on a compound gauge.

Identify the key reasons why annual maintenance is essential for preserving equipment warranties.

Analyze the impact of routine service on system capacity and energy efficiency.

Implement strategies to prolong equipment life and prevent premature system failure.