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Sensors for car air conditioning evaporator to detect temperature

Pictogram of the air conditionning family

The evaporator sensor is a temperature sensor. It has different roles:

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



  • Option1: The sensor is located in the air stream where the air leaves the evaporator
  • Option 2: The sensor is attached to the evaporator’s fins and located in the coldest area