Practice & Mastery
Practice HVAC questions, quizzes, troubleshooting scenarios and equipment scenarios, and track your progress.
Practice is part of HVAC Pro — $5/month or $50/year.
See HVAC Pro60 questions19 quizzes150 scenarios76 topics
Practice by topic
- Carbon Monoxide SafetyConcept · 1 question · 2 scenarios
- Digital ManifoldTool · 2 scenarios
- Gas FurnaceEquipment · 2 scenarios
- Gas Furnace: No HeatTroubleshooting · 2 scenarios
- Heat TransferConcept · 3 questions · quiz · 2 scenarios
- MultimeterTool · 1 question · 2 scenarios
- Refrigerant ChargingProcedure · 2 scenarios
- Run CapacitorComponent · 3 questions · quiz · 2 scenarios
- The Refrigeration CycleConcept · 2 scenarios
- Air ConditionerEquipment · 2 scenarios
- Clamp MeterTool · 1 question · 2 scenarios
- ContactorComponent · 2 questions · quiz · 2 scenarios
- ManometerTool · 2 scenarios
- Superheat and SubcoolingConcept · 4 questions · quiz · 2 scenarios
- Temperature and HeatConcept · 2 scenarios
- Combustion AnalyzerTool · 2 scenarios
- Evacuation and DehydrationProcedure · 3 questions · quiz · 2 scenarios
- Gas Furnace Sequence of OperationConcept · 2 questions · quiz · 1 scenario
- Heat PumpEquipment · 2 scenarios
- Outdoor Unit Will Not StartTroubleshooting · 2 scenarios
- Pressure and Temperature RelationshipConcept · 2 questions · quiz · 2 scenarios
- Start Capacitor and Hard Start KitComponent · 2 scenarios
- BoilerEquipment · 1 question · 2 scenarios
- Ignition SystemsConcept · 2 scenarios
- Indoor Blower Will Not RunTroubleshooting · 2 scenarios
- Refrigerant RecoveryProcedure · 2 questions · quiz · 2 scenarios
- RelayComponent · 2 scenarios
- States of Matter and Phase ChangeConcept · 2 scenarios
- Vacuum Pump and Micron GaugeTool · 2 scenarios
- Anemometer and Airflow MeasurementTool · 2 scenarios
- Control TransformerComponent · 2 scenarios
- Flame Sensing and RectificationConcept · 2 questions · quiz · 1 scenario
- Leak DetectionProcedure · 2 questions · quiz · 2 scenarios
- Low Voltage Fuse Keeps BlowingTroubleshooting · 2 scenarios
- Sensible and Latent HeatConcept · 2 questions · quiz · 2 scenarios
- Water HeaterEquipment · 1 question · 2 scenarios
- Air Conditioner Not CoolingTroubleshooting · 2 scenarios
- Airflow FundamentalsConcept · 1 question · 2 scenarios
- Heat Pump Defrost CycleConcept · 2 questions · quiz · 3 scenarios
- HRV and ERVEquipment · 2 scenarios
- Refrigerant Scale and Recovery MachineTool · 2 scenarios
- SequencerComponent · 2 scenarios
- Static Pressure and Duct DiagnosticsConcept · 2 questions · quiz · 2 scenarios
- System Commissioning and StartupProcedure · 1 question · 2 scenarios
- Duct Design and Airflow DeliveryConcept · 2 scenarios
- Electricity FundamentalsConcept · 2 questions · quiz · 1 scenario
- Heat Pump Not HeatingTroubleshooting · 2 scenarios
- Pressure SwitchComponent · 2 scenarios
- Preventive MaintenanceProcedure · 1 question · 2 scenarios
- Air FiltrationConcept · 1 question · 2 scenarios
- Brazing and Tubing PracticeProcedure · 1 question · 2 scenarios
- Limit and Rollout SwitchesComponent · 2 scenarios
- Ohm's Law and the Power FormulaConcept · 3 questions · quiz · 2 scenarios
- Restriction in the Refrigerant CircuitTroubleshooting · 2 scenarios
- Humidity ControlConcept · 1 question · 2 scenarios
- Non-Condensable Gases in the SystemTroubleshooting · 2 scenarios
- PSC MotorComponent · 2 scenarios
- Series and Parallel CircuitsConcept · 2 questions · quiz · 2 scenarios
- Duct Leakage and Building EnvelopeConcept · 2 scenarios
- ECM MotorComponent · 1 question · 2 scenarios
- Psychrometrics BasicsConcept · 2 scenarios
- Heating and Cooling Load BasicsConcept · 2 scenarios
- Hermetic CompressorComponent · 2 scenarios
- Comfort and Indoor Air QualityConcept · 2 scenarios
- Reversing ValveComponent · 1 question · 2 scenarios
- Metering DevicesComponent · 1 question · 2 scenarios
- Single Stage, Two Stage and Variable CapacityConcept · 2 scenarios
- Circulator PumpComponent · 2 scenarios
- Refrigerant Types and HandlingConcept · 2 questions · quiz · 2 scenarios
- Combustion BasicsConcept · 2 questions · quiz · 2 scenarios
- Expansion TankComponent · 2 scenarios
- Venting and DraftConcept · 1 question · 2 scenarios
- Zone Valve and ZoningComponent · 2 scenarios
- Combustion Air and Makeup AirConcept · 2 scenarios
- Thermostats and Control WiringComponent · 2 questions · quiz · 2 scenarios
- Gas Piping and Gas PressureConcept · 1 question · 2 scenarios