What is the appropriate temperature for car air conditioning?
2 Answers
The suitable temperature for car air conditioning is: in summer, it can be set between 21 to 25 degrees Celsius, and in winter, between 25 to 28 degrees Celsius. The temperature inside the car should not differ too much from the outside environment, as this may cause discomfort to passengers. Generally, the temperature difference between the inside and outside of a car should be around 10 degrees Celsius, while for large buses, it should be between 8 to 12 degrees Celsius. To avoid air conditioning sickness, if the air conditioning needs to be used for a long time, the windows should be opened slightly at regular intervals to ensure fresh air inside the car. Additionally, car owners should try to avoid using the air conditioning for extended periods, generally not exceeding one hour.
I once heard a senior mechanic talk about this topic, and the most recommended setting is around 25 degrees. This temperature doesn't put too much load on the engine, won't significantly increase fuel consumption, and won't make you shiver when getting out of the car because it's too cold. When driving on the highway, I usually lower it to 23 degrees with the fan speed on the second level, which helps prevent the windshield from fogging up. Remember not to point the vents directly at your face, as it can easily cause headaches. If there are elderly or children in the car, raising it to 26 degrees is more comfortable, and it's best to direct the vents toward the feet. Also, remember to switch to the external circulation mode for ventilation when using the AC for a long time, otherwise, the air inside the car can get stuffy and cause dizziness.
