How to Solve the Sour Smell in Car Air Conditioning?

[SanHazel]

Methods to remove odors from car air conditioning are as follows: 1. Replace the air conditioning filter during maintenance: The air conditioning filter needs to be cleaned and replaced regularly. However, after prolonged use, especially in dusty and polluted urban environments, the filter can become clogged with dust. At this point, no matter how much you clean it, the filter can no longer effectively filter the air. Moreover, the accumulated dust and dirt can be blown into the car along with the air, causing more severe pollution. 2. Open the doors and sunroof to air the car in the sun: For mild interior odors, you can drive the car to a sunny spot on a clear day, set the air conditioning system to the warm air setting, turn the fan to the maximum speed, and leave the doors and windows fully open for over ten minutes. This method not only utilizes UV rays to disinfect the interior but also allows the hot air to thoroughly circulate and remove dirty air from the ventilation ducts. The advantage is that it costs nothing to eliminate odors, but the downside is that it can only remove relatively mild interior odors. 3. Clean the ventilation ducts: Bacteria left in the ducts can also cause the air conditioning to emit odors. A simple and quick way to eliminate strange smells in the ducts is to use an air conditioning duct cleaner.