What effect does air conditioning water have on car paint?

1 Answers
DiMarley
07/24/25 11:40pm
Air conditioning water is formed by the condensation of moisture in the air on the evaporator. It is pure water without corrosive properties and has no effect on car paint. The specific reasons for the increase in car air conditioning water are as follows: 1. Because the car's cooling system is located inside the dashboard, equipped with an evaporator: when the air conditioning is on, the surface temperature of the evaporator is very low, and the moisture in the hot air inside the car will condense on the heat-absorbing fins of the evaporator. The water droplets are collected by the plastic casing of the evaporator and drained out of the car through pipes. If the vehicle stops and restarts after driving for a while, you can see a puddle of very clean and transparent water on the ground under the car. Please don't worry about a car malfunction; this is the water discharged by the car's air conditioning. 2. In summer, when the car's air conditioning is on: sometimes the compressor located in the engine compartment (low-pressure area) will also condense moisture from the air, which drips onto the ground (sometimes the amount of water is even greater than the drainage from the evaporator). 3. The low-pressure pipes of the car air conditioning are not wrapped with insulating foam: the surface of the pipes easily condenses moisture from the air, and water droplets will also condense and collect at the lowest point of the pipes, dripping down.
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