Is it okay to start the car and turn on the air conditioning when the car is empty?

2 Answers
SanRowan
07/29/25 7:54am
Yes, but it is not recommended. When the car is idling with the air conditioning on, part of the engine's power is already allocated to the air conditioning. If the car is started at this point, the engine's power load suddenly increases from very low to very high, which can cause significant damage to the car. Below is some relevant information about car air conditioning: 1. Function: It is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to the optimal state, providing a comfortable environment for passengers and reducing travel fatigue. It also creates good working conditions for the driver and plays an important role in ensuring safe driving as a ventilation device. 2. Classification: Generally includes cooling devices, heating devices, and ventilation devices. This combined system makes full use of the limited space inside the car, has a simple structure, and is easy to operate, making it a popular modern car air conditioning system internationally.
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LeKaleb
08/12/25 11:08am
It's perfectly safe to start the car and turn on the air conditioning while the engine is idling. I often do this, especially before getting in the car during summer. After starting the engine, just press the AC button—if it's an automatic system, hitting the AUTO button will adjust everything automatically, and the temperature drops quickly. Cars are designed to handle this operation; the electrical circuits and control modules are all set up to prevent engine damage. However, running the AC at idle does consume a bit more fuel and increases emissions, so avoid doing it for extended periods. It's more economical to roll down the windows for a few minutes before turning on the AC. Remember, cooling the car down in advance on hot days makes for a more comfortable and safer driving experience. Regular maintenance ensures the system works properly and prevents unexpected issues. In short, it's fine for everyday use.
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