Does idling with the AC on harm the car?

2 Answers
OAvery
07/29/25 2:14am
It causes some damage to the car, but the impact is not significant. Here is relevant information: 1. Introduction: Automotive air conditioning refers to the air conditioning device installed in vehicles, which can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. 2. Structure: It generally includes refrigeration devices, heating devices, and ventilation devices. This integrated system makes full use of the limited space inside the vehicle, featuring a simple structure and easy operation, making it a popular modern automotive air conditioning system internationally.
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HarrisonRose
08/12/25 6:14am
Parking with the air conditioning on can indeed harm the car. Let me explain from a mechanical perspective. When idling, the engine operates under increased load, which can easily lead to carbon buildup. This results in more deposits inside the engine, damaging performance and even reducing the engine's lifespan. At the same time, the continuous operation of the air conditioning compressor increases pressure in the cooling system, potentially accelerating component wear or consuming more electricity, which is an additional burden on the battery. Long-term use of the air conditioning in this manner can lead to unstable temperature control and poor fuel circulation, increasing unnecessary fuel consumption and maintenance costs. To avoid these issues, I recommend using the air conditioning only briefly when necessary, such as turning it on for a few minutes at a red light, and avoiding prolonged idling. Regularly checking the engine and air conditioning system is also a good practice to identify potential issues early.
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