Course Content
Basic Heat Transfer
Temperature, Pressure & Matter
The Refrigeration Cycle
What Is Heat?
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5 Topics
1 Quiz
Understanding Heat
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Heat vs. Temperature
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Measuring Heat
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Heat Always Moves
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Why HVAC Technicians Study Heat
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Section 1 – Knowledge Check
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Conduction
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5 Topics
1 Quiz
What Is Conduction?
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Conduction in HVAC Systems
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Thermal Conductivity
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Preventing Heat Loss
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Practical Applications
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Knowledge Check
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Convection
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5 Topics
1 Quiz
What Is Convection?
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Convection in HVAC Systems
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Natural vs. Forced Convection
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Air Circulation
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Technician Responsibilities
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Knowledge Check
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Radiation
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5 Topics
1 Quiz
What Is Radiation?
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Everyday Examples
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Radiation and Buildings
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HVAC Applications
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Reducing Radiant Heat
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Knowledge Check
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Sensible vs. Latent Heat
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5 Topics
1 Quiz
Sensible Heat
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Latent Heat
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HVAC Applications
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Indoor Comfort
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Why Technicians Need to Understand Both
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Knowledge Check
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Temperature Scales
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5 Topics
1 Quiz
What Is Temperature?
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The Fahrenheit Scale
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The Celsius Scale
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Measuring Temperature in HVAC Systems
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Why Temperature Matters
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Knowledge Check
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States of Matter
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5 Topics
1 Quiz
What Is Matter?
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Solids
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Liquids
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Gases (Vapors)
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Changes Between States of Matter
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Section 2 – States of Matter Knowledge Check
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Pressure Relationships
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5 Topics
1 Quiz
What Is Pressure?
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High Pressure vs. Low Pressure
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Measuring Pressure
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Pressure and Temperature Work Together
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Why Pressure Matters in HVAC
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Section 3 – Pressure Relationships Knowledge Check
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Saturation
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5 Topics
1 Quiz
What Is Saturation?
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Saturation Temperature
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Saturated Liquid and Saturated Vapor
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Pressure and Saturation Are Connected
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Why Saturation Matters in HVAC
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Section 4 – Saturation Knowledge Check
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Boiling and Condensation
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5 Topics
1 Quiz
What Is Boiling?
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What Is Condensation?
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Boiling and Condensation in HVAC Systems
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Heat Absorption and Heat Rejection
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Why Boiling and Condensation Matter
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Section 5 – Boiling and Condensation Knowledge Check
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Evaporator
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5 Topics
1 Quiz
What Is an Evaporator?
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How the Evaporator Absorbs Heat
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Refrigerant Inside the Evaporator
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Airflow Across the Evaporator Coil
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Why the Evaporator Is Important
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Section 1 – Evaporator Knowledge Check
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Compressor
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5 Topics
1 Quiz
What Is a Compressor?
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How the Compressor Works
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Types of Compressors
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Why the Compressor Is Important
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Common Compressor Problems
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Section 2 – Compressor Knowledge Check
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Condenser
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5 Topics
1 Quiz
What Is a Condenser?
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How the Condenser Rejects Heat
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Refrigerant Inside the Condenser
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Importance of Airflow Across the Condenser
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Why the Condenser Is Important
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Section 3 – Condenser Knowledge Check
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Metering Device
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5 Topics
1 Quiz
What Is a Metering Device?
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How the Metering Device Works
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Common Types of Metering Devices
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Why Refrigerant Flow Must Be Controlled
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Common Metering Device Problems
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Section 4 – Metering Device Knowledge Check
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Refrigerant Flow
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5 Topics
1 Quiz
What Is Refrigerant Flow?
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Refrigerant Leaves the Evaporator and Enters the Compressor
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Refrigerant Flows Through the Condenser
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Refrigerant Passes Through the Metering Device
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The Cycle Repeats Continuously
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Section 5 – Refrigerant Flow Knowledge Check
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Final Quiz
Module 2 Final Examination
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