Gas, oil and electric heat: combustion, ignition, venting, gas piping, combustion analysis, carbon monoxide safety and furnace troubleshooting.

15 skills in 6 sections · listed in learning order

Combustion fundamentals

1. Combustion fundamentals

   The chemistry of burning natural gas, propane and oil: fuel properties, air requirements and the products of combustion.

   Foundation No courses yet

Gas furnaces

1. Furnace configurations and components

   Identify upflow, downflow and horizontal furnaces and name every component in the cabinet and what it does.

   Foundation No courses yet

2. Gas valves and burners

   Understand gas valves, regulators, orifices and in-shot burners, and diagnose flashback and lifting flames.

   Core No courses yet

3. Ignition and flame proving

   Test and replace hot surface and spark igniters, flame sensors, thermocouples and ignition modules.

   Core No courses yet

4. Gas pressure, input and derating

   Measure and set manifold pressure, clock the meter to confirm input and derate for altitude.

   Core No courses yet

5. Temperature rise and furnace airflow

   Measure temperature rise, keep it in the nameplate range and set blower speed so the heat exchanger lives a long life.

   Core No courses yet

6. Gas furnace troubleshooting

   Diagnose no-heat, short-cycling and lockout faults by following the sequence of operation and the board's diagnostics.

   Advanced No courses yet

Venting & gas piping

1. Venting systems

   Identify, size and install category I through IV vent systems with the right materials, slope and clearances.

   CoreSafety-critical No courses yet

2. Gas piping

   Size, cut, thread and connect gas piping with drip legs and shutoffs, leak test it, and respond correctly to a gas leak.

   CoreSafety-critical No courses yet

Combustion analysis & CO

1. Carbon monoxide safety

   Recognise carbon monoxide sources, exposure symptoms and action levels, test ambient air and enter a space safely.

   FoundationSafety-critical No courses yet

2. Combustion analysis

   Use a combustion analyser to read O2, CO, CO2 and stack temperature, interpret them and tune for safe, efficient operation.

   Advanced No courses yet

Oil heat

1. Oil burner fundamentals

   How an oil burner atomises and ignites fuel: pumps, nozzles, electrodes, cad cells and primary controls.

   Core No courses yet

2. Oil furnace setup and tuning

   Set pump pressure, draft and smoke, then tune with a combustion analyser and handle fuel lines, filters and leaks.

   Advanced No courses yet

Electric heat

1. Electric heat fundamentals

   How resistance heating elements are rated and controlled, and how to calculate watts and BTU output.

   Foundation No courses yet

2. Electric heat service and installation

   Test and replace elements, sequencers, limits and fan interlocks, and install electric furnaces and duct heaters correctly.

   Core No courses yet