Course Content
Combustion Basics
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5 Topics
1 Quiz
What Is Combustion?
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The Fire Triangle
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Complete vs. Incomplete Combustion
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Carbon Monoxide Safety
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Proper Ventilation and Safe Combustion
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Combustion Basics – Knowledge Check
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Gas Furnaces
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5 Topics
1 Quiz
What Is a Gas Furnace?
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Major Components of a Gas Furnace
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Sequence of Operation
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Heat Transfer Inside the Furnace
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Furnace Efficiency and Maintenance
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Gas Furnaces – Knowledge Check
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Safety Controls
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5 Topics
1 Quiz
Why Safety Controls Are Important
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High-Limit Switch
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Pressure Switch and Flame Sensor
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Rollout Switch and Vent Safety
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Troubleshooting Furnace Safety Controls
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Safety Controls – Knowledge Check
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Electric Heat Strips
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5 Topics
1 Quiz
What Are Electric Heat Strips?
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How Electric Heat Strips Work
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Components of a Heat Strip Assembly
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Where Heat Strips Are Used
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Advantages and Limitations of Electric Heat Strips
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Electric Heat Strips – Knowledge Check
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Electric Furnaces
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5 Topics
1 Quiz
What Is an Electric Furnace?
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Major Components of an Electric Furnace
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Sequence of Operation
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Airflow Through an Electric Furnace
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Maintenance and Inspection
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Electric Furnaces – Knowledge Check
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Heat Generation
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5 Topics
1 Quiz
How Electricity Produces Heat
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Heating Elements
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Factors That Affect Heat Output
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Heat Transfer in an Electric Furnace
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Efficient and Safe Heat Generation
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Heat Generation – Knowledge Check
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Heating Mode
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5 Topics
1 Quiz
What Is Heating Mode?
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The Reversing Valve
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Refrigerant Flow During Heating
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Heat Exists Even in Cold Air
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Heating Performance
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Heating Mode – Knowledge Check
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Defrost Cycle
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5 Topics
1 Quiz
Why Is Defrost Needed?
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How the Defrost Cycle Works
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Components Used During Defrost
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What Happens Indoors During Defrost?
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Normal vs. Abnormal Defrost Operation
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Defrost Cycle – Knowledge Check
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Auxiliary Heat
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5 Topics
1 Quiz
What Is Auxiliary Heat?
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When Does Auxiliary Heat Operate?
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Auxiliary Heat vs. Emergency Heat
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Components Used During Auxiliary Heat
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Troubleshooting Auxiliary Heat
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Auxiliary Heat – Knowledge Check
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Final Quiz
Module 5 – Final Examination
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