Does idling with the air conditioning on for an hour harm the car?

[LaRachel]

One hour does not affect the car, but prolonged use of the air conditioning can lead to carbon buildup in the engine. Below is the relevant introduction: Car Air Conditioning: The car air conditioning system (air-conditioning-device), referred to as car AC, is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to an optimal state, providing a comfortable environment for passengers and reducing travel fatigue. Types: According to the driving method, it is divided into: independent type (a dedicated engine drives the compressor, with large cooling capacity and stable operation, but high cost, large size, and weight, mostly used in large and medium-sized buses) and non-independent type (the air conditioning compressor is driven by the car engine, with cooling performance greatly affected by engine operation, poor stability, mostly used in small buses and cars).