Why is the car air conditioning not cooling well?

[BradyLee]

The reasons for poor air conditioning cooling effect include insufficient Freon and inadequate power supply voltage. Below are the specific explanations: 1. Insufficient Freon: This is a normal situation where the air conditioning is not completely failing to cool, but the cooling effect is not good enough. This is because older air conditioning systems use Freon as a refrigerant, which can evaporate over time with prolonged use. 2. Inadequate power supply voltage: The normal starting voltage for air conditioning is around 220V. In China's power supply system with a phase voltage of 220V and line voltage of 380V, almost all compressors can start with a voltage above 200V. If the air conditioning cooling is poor due to this situation, the power supply should be checked. If the grid voltage is too low, users should install a power voltage regulator to ensure the voltage reaches 220V, allowing the air conditioning to function properly.