Electrician Practice Tests

HVAC Practice Tests

Free HVAC practice tests covering heat pumps, air conditioning, controls/sensors, and HVAC basic electrical questions.

18tests·180questions·Free · No signup·NEC 2023
Difficulty:
Recommended
Wiring MethodsBranch CircuitsMotors

HVAC Heat Pump Practice Test -1

Intermediate

Take a Free Practice Test on HVAC Heat Pump -1

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Heat Pump Practice Test -2

Intermediate

Take a Free Practice Test on HVAC Heat Pump -2

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Heat Pump Practice Test -3

Intermediate

Take a Free Practice Test on HVAC Heat Pump -3

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Heat Pump Practice Test -4

Intermediate

Take a Free Practice Test on HVAC Heat Pump -4

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Heat Pump Practice Test -5

Intermediate

Take a Free Practice Test on HVAC Heat Pump -5

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Air Conditioning Practice Test -1

Intermediate

Take a Free Practice Test on HVAC Air Conditioning -1

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Air Conditioning Practice Test -2

Intermediate

Take a Free Practice Test on HVAC Air Conditioning - 2

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Air Conditioning Practice Test -3

Intermediate

Take a Free Practice Test on HVAC Air Conditioning -3

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Air Conditioning Practice Test -4

Intermediate

Take a Free Practice Test on HVAC Air Conditioning - 4

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Controls Practice Questions(sensor)-1

Intermediate

Take a Free Practice Test on HVAC Controls Sensor - 1

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Controls Practice Questions(sensor)-2

Intermediate

Take a Free Practice Test on HVAC Controls Practice Questions(sensor)- 2

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Controls Practice Questions(sensor)-3

Intermediate

Take a Free Practice Test on HVAC Controls Practice Questions(sensor)-3

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Controls Practice Questions(sensor)-4

Intermediate

Take a Free Practice Test on HVAC Controls Practice Questions(sensor)-4

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Controls Practice Questions(sensor)-5

Intermediate

Take a Free Practice Test on HVAC Controls Practice Questions(sensor)-5

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Basic Electrical Questions -1

Intermediate

Take a Free Practice Test on HVAC Basic Electrical Questions -1

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Basic Electrical Questions -2

Intermediate

Take a Free Practice Test on HVAC Basic Electrical Questions -2

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Basic Electrical Questions -3

Intermediate

Take a Free Practice Test on HVAC Basic Electrical Questions -3

10Q15 min70%pass
Start Test
Wiring MethodsBranch CircuitsMotors

HVAC Basic Electrical Questions -4

Intermediate

Take a Free Practice Test on HVAC Basic Electrical Questions -4

10Q15 min70%pass
Start Test

Study Guides

Written guides for the topics covered in these tests — read first, then test yourself.

Heat-Pump Cycle

Heating mode vs cooling mode and reversing valve operation.

AC Control Sensors

Thermistor, pressure switch, and limit-sensor basics.

HVAC Electrical

Contactors, capacitors, and safety devices on residential equipment.

About HVAC Practice Tests

HVAC technicians need a solid grounding in refrigeration, controls, and the electrical systems behind every unit. Our practice tests include:

  • Heat pump operation, components, and troubleshooting
  • Air-conditioning cycles and capacity
  • Controls, sensors, and thermostats
  • HVAC basic electrical questions
  • Diagnostic and service practices
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Last updated April 2026 · NEC 2023 Edition