What does AC in a car stand for?

[OZoey]

The AC in a car is the compressor switch, also known as the air conditioning cooling switch. AC is the abbreviation for air conditioning, and its full name is AirCondition, which can be understood as air control or air conditioning. Below is more information about the air conditioning cooling switch: 1. The air conditioning compressor achieves cooling or heating through different operating modes, so it has dual meanings of cooling and heating. However, in cars, since the heating function of the vehicle's air conditioning is accomplished by the heat from the engine cooling water and the heating wires on the glass, AC only refers to cooling. 2. In AC mode, since the vehicle's air conditioning compressor is always in operation, it will inevitably lead to increased fuel consumption and additional load on the engine. However, using the air conditioning in winter does not increase fuel consumption. AC is used for cooling and temperature adjustment, so turning on AC in winter does not increase the power of the warm air.