Is It Normal for Water to Drip Under the Car When the Air Conditioning Is On?

1 Answers
StTravis
07/29/25 12:11pm
It is normal for water to drip under the car when the air conditioning is on in summer. This water is the condensate from the air conditioning system. Here is an explanation of the above phenomenon: 1. When the air conditioning is cooling, the temperature of the evaporator and the air ducts leading to the passenger compartment is very low, usually around 0~5 degrees Celsius. 2. The water vapor in the outside air will liquefy at such low temperatures, condensing on the pipes and housing of the air conditioning system. If this water is not drained, it can cause dampness around the air conditioning system (inside the dashboard) and corrosion of components. 3. Therefore, water dripping under the car when the air conditioning is on in summer indicates that the air conditioning is cooling effectively.
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