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Evaporator Sensors for Car Air Conditioning

Car A/C Evaporator Sensors

The evaporator sensor is a temperature sensor in the car air conditioning system. 

The car A/C evaporator sensor has different roles:

  • Detecting the evaporator temperature
  • Preventing the evaporator from freezing by stopping cold generation


The location of the evaporator sensor varies:

  • Option 1: The sensor is located in front of the air stream exiting the evaporator
  • Option 2: The sensor is attached to the coldest area of the evaporator fins
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