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How to Clean and Disinfect Car Air Conditioning?

2 Answers

DeKathryn

07/23/25 8:23pm

Detailed instructions for cleaning and disinfecting car air conditioning are as follows: 1. Choose the appropriate air conditioning cleaner: You can opt for products from domestic or joint-venture brands, which are reliable in quality and affordable. 2. Locate the air conditioning system's air intake and remove the air filter: The removed air filter can be cleaned with a high-pressure air gun. If it is too dirty, it is recommended to replace it. 3. Specific steps for cleaning and disinfecting the air conditioning: After starting the car, turn on the air conditioning cooling switch; adjust the fan speed to the minimum; set the air conditioning temperature to the highest; ensure the air conditioning system is in external circulation mode. 4. Precautions during cleaning and disinfection: Place your hand near the air intake to feel the airflow being drawn into the car. Spray a bottle of air conditioning disinfectant cleaner into the air intake. The cleaner spray will follow the airflow through the air conditioning evaporator and enter the cabin, disinfecting the air conditioning system. During disinfection, close all windows and doors to achieve better results. Ensure no one stays inside the car during the cleaning process. After completing the entire air conditioning cleaning process, open the windows for ventilation for a certain period.

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StFaith

08/10/25 6:24pm

I used to find spray cleaning super convenient. Buy a can of air conditioning system cleaner, start the car, turn on the external circulation, set the fan to maximum without activating the cooling. Insert the spray tube into the air conditioning intake vent and continuously spray half the can. Wait ten minutes, then switch to internal circulation and spray the remaining half. Finally, turn off the air conditioning and let it sit for twenty minutes to allow the disinfectant to penetrate, then open the windows for ventilation. Remember to replace the air filter while you're at it, otherwise it'll get dirty again right after cleaning. Doing this once a month keeps the car basically free of musty smells, and turning on the air conditioning feels much more comfortable to breathe.

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