How Much Do You Really Know About HVAC? Take the Quiz and Find Out!

How Much Do You Really Know About HVAC? Take the Quiz and Find Out!

How does the heater core in a car’s HVAC system warm up the cabin?

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Correct Incorrect The heater core transfers heat from hot engine coolant to the air blowing into the cabin, working like a small radiator to warm the vehicle interior.

How does the heater core in a car’s HVAC system warm up the cabin?

  • Compresses refrigerant to produce heat
  • Burns fuel directly inside the core
  • Transfers engine coolant heat to cabin air
  • Uses electric resistance heating elements
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