The reason of air conditioning "drainage" phenomenon is that the hot air in the cab is cooled during refrigeration, the humidity is high in summer, and the water vapor content in the indoor air is high. After the water vapor in the air is cooled, it releases heat and condenses into liquid water in the evaporator, which is collected by the air conditioner and discharged out of the car through the drain pipe.
Matters needing attention in turning on automobile air conditioner
Cars mainly know how to choose according to the environment in which they are located. For example, when the car is in a busy city with traffic jams or driving against the wind, in order to prevent the exhaust gas from entering the car, the owner can use the internal circulation function of the air conditioner to ensure that the air inside the car is not polluted. At other times, it is recommended to use the outer loop function as much as possible.
If it is determined that the waiting time for parking is long, it is best to turn off the air conditioner, put down the window or leave the car after the flameout. This can not only save fuel consumption, but also prolong the service life of automobile air conditioners.