Video Tutorials

We strongly believe every HVAC technician should own a SuperCool Slide Rule. It is guaranteed to save you time and money. These video tutorials are designed to only be used by properly trained and certified technicians. Please remember to disconnect all electrical before servicing any equipment and follow all safety guidelines.

To view video tutorials and corresponding PDF aids, click the appropriate link:

Airflow - Determining Airflow through an Air Conditioner

Airflow - Determining Airflow through an Electric Heater

Airflow - Determining Airflow through a Gas Furnace

Airflow - High Delta T through an air conditioner- causes

Airflow - High Delta T through an electric heating unit

Airflow - Low Delta T through an air conditioner- causes

Airflow - Low Delta T through a gas heating unit- causes

Airflow - Low Delta T through an electric heating unit

Air Proving Switch - Sail Switch - Testing

Amps - 3 Phase Amp Equation to Watts

Amps - Calculating Amperes using the OHM's Law Wheel

Amps - Converting Watts to Amps

Amps - Converting Volts & Resistance to Amps

Amps - Converting Watts & Resistance to Amps

Amps - Calculating Amperes with a meter

Amps - Calculating Amps or Watts being used by a device

BTU - Definition PDF

BTU - Converting BTU to Tons of Cooling

BTU - Converting Tons of Cooling to BTU

BTU - Determining BTU Output of an Electric Heater

Capacitors - Laws & Combining (Series and Parallel)

Capacitors - Start capacitor, function and installation

Capacitors - Installing, Replacing, & Manufacturing

Capacitors - Acceptable Output Range

Capacitors - Parallel - Creating a 10 MFD with two 5 MFD capacitors

Capacitors - Series - Creating a 5 MFD with two 10 MFD capacitors

Capacitors - Replacing a Dual Run Capacitor with two separate capacitors

Capacitors - Adding a Superboost or Torque Multiplier

Charging units with the Superheat method

Charging units with the Subcooling method

Charging units by weighing in of the Refrigerant

Circuits - Replacing common boards

Circuits - Series Circuit Equation

Circuits - Parallel Circuit Equation

Combustion Air Blower Motor Replacement

Compressor - Installation of a Hard Start capacitor

Compressor - Locked rotor, reversing rotation

Compressor - Troubleshooting Weak or Bad Valves

Condenser - Diagnosing a bad condenser fan motor

Contactors - Replacement & Selection

Contactors - What it is and How it works

Defrost Board - Heat Pump - Basic Operation

Defrost Board - Heat Pump - Bypassing for Cooling

Defrost Board - Heat Pump - Sequence of Operation

Defrost Board - Heat Pump - Troubleshooting & Replacement

Dual Run - Replacing a Dual Run Capacitor with two separate capacitors

Duct - Sizing Metal, externally insulated

Duct - Sizing Metal, internally insulated

Duct Work - Sizing - Rectangular Metal

Electric Heat Strip - Proper Wire Sizing

Electric Heat Strip - Converting to BTU

Electric Heater - Troubleshooting

Electric Heater - Wiring Schematic

Electrical Short - Location and repair

Evaporator Coil Replacement - Selection and Replacement

an Control Board - Overview, Operation, & Testing

Fan Control Board - Replacement

Fan & Limit Control - Testing & Replacing

Flame roll-out - Troubleshooting & Replacement

Flame Sensor- Testing and Replacement

Furnace - Control Board Replacement

Furnace - Hot surface ignitor replacement

Gas Furnace - Identify Components

Gas Furnace - Function of Components

Hard Start Kit - Overview & Installation

Heat Pump - Circuit board replacement & Schematic

Heat Pump - Dual Fuel wiring diagram

Heat Pump - Defrost Board - Basic Operation

Heat Pump - Defrost Board - Bypassing for Cooling

Heat Pump - Defrost Board - Sequence of Operation

Heat Sequencer - What it is & How it works

Hot Surface Igniter - Testing & Replacement

Motor - Diagnostic of bad condenser fan motor

Motor - Indoor blower motor replacement

Motor - Indoor blower motor speed adjustments

Motor - Replacing indoor fan motor

Motor - Replacing condenser fan motor

Motor - Reversing the rotation of a reversible motor

Motor - Reversing the rotation of a non-reversible motor

Motor - Sizing and Replacement considerations

Motor - Speed - Checking and Changing

Motor - Adding a start capacitor to a sluggish motor

OHM's Law - Use of the Pie Chart & Applications

OHM's Law - What is OHM's Law?

OHM's Law - Calculating Voltage

OHM's Law - Calculating Amperes

OHM's Law - Calculating Resistance

OHM's Law - Definition of BTU PDF

OHM's Law - Converting BTU to Tons of Cooling

OHM's Law - Converting Tons of Cooling to BTU

OHM's Law - Converting Amps & Volts to Watts

OHM's Law - Converting Amps & Resistance to Watts

OHM's Law - Converting Resistance & Amps to Volts

OHM's Law - Converting Volts & Resistance to Amps

OHM's Law - Converting Watts & Amps to Volts PDF

OHM's Law - Converting Watts & Resistance to Amps

Pressure - Temperature Conversions

Refrigerants - Temperature - Pressure Charts

Refrigerants - Charging - Superheat or Subcooling method?

Resistance - Calculating Resistance using the OHM's Law Wheel

Resistance - Calculating Resistance through testing

Resistance -Calculating the Resistance of a Parallel Circuit

Resistance - Calculating the Resistance of a Series Circuit

Reversing Valve - Solenoid Testing and Replacement

Reversing Valve – Troubleshooting

Sail Switch - Air Proving Switch – Testing

Sail Switch - Air Proving Switch - Troubleshooting & Replacement

Start Capacitor - Overview & Installation

Temperature - Converting Fahrenheit to Celsius

Temperature - Converting Celsius to Fahrenheit

Temperature - Pressure Conversions

Thermistor - Overview & Installation

Thermostat - Identifying Broken Wires

Transformers - Explanation of Voltage Amps

TXV (TEV) - Troubleshooting and Replacing

TXV - SuperHeat or SubCooling?

Voltage - Calculating Voltage using the OHM's Law Wheel

Voltage - Calculating Voltage with an electric tester

Voltage - Converting Watts & Amps to Volts

Voltage - Converting Resistance & Amps to Volts

Watts - Calculating Watts using the OHM's Law Wheel

Watts - Calculating Watts with an electric tester

Watts - Calculating Amps or Watts being used by a device

Watts - Converting Watts to Amps

Watts - Converting Amps & Volts to Watts

Watts - Converting Amps & Resistance to Watts

Wet Bulb - Obtaining from Temp & Humidity