How to Solve the Persistent Odor in Car Air Conditioning?
2 Answers
Here are the solutions for dealing with odors in car air conditioning: 1. Turn on the air conditioning. 2. Set the temperature to the highest. 3. Adjust the fan speed to the maximum. 4. Maintain this setting for 5-10 minutes. 5. Return to normal usage. Below are the causes of the odor: 1. Frequently setting the air conditioning to the coldest temperature. 2. Always keeping the fan speed at the minimum. 3. Constantly using the recirculation mode. Here are the prevention methods: 1. Avoid setting the air conditioning to the coldest temperature, as it is also harmful to health. 2. When using the air conditioning, keep the fan speed at medium or higher to accelerate airflow around the condenser pipes. 3. Prioritize using the external circulation mode, as the car air conditioning compressor is frequently activated.
I also had a headache when I noticed a strange smell from the air conditioner. Later, I figured out a few practical solutions: The first trick is to turn off the AC cooling button two or three minutes before getting out of the car but keep the fan blowing at high speed. This dries out the moisture in the ducts, preventing mold growth. Don’t be lazy in daily driving—cleaning the dust from the vents after parking is very effective. I use an old makeup brush dipped in alcohol to wipe them. If a rotten smell starts coming out, it’s likely that the cabin air filter has mold, and replacing it at a roadside shop costs around a hundred yuan. The most thorough solution is to get an AC duct cleaning every season change. The technician sprays specialized cleaning foam onto the evaporator—I did it last summer, and there’s been no smell since. Also, a reminder: never spray perfume into the vents—it only makes the odor worse.
