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Should the car air conditioner be turned on for cooling in summer?

2 Answers

MacLillian

07/24/25 6:30am

In summer, the car air conditioner should be turned on for cooling by pressing the AC button. The working principle of the car air conditioner is as follows: the compressor compresses the refrigerant into a high-temperature and high-pressure liquid, which then becomes a medium-temperature and low-pressure liquid after dissipating heat through the air conditioner's cooling plate, and finally turns into a low-temperature and low-pressure gas after being throttled by the expansion valve. The car air conditioner, short for the car air conditioning device, is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car compartment to an optimal state. Its functions are: 1. To provide a comfortable riding environment for passengers and reduce travel fatigue; 2. To create good working conditions for the driver and ensure driving safety.

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MichaelLynn

08/11/25 2:15am

Using air conditioning for cooling in summer is common, especially during heatwaves. As a seasoned driver with decades of experience, I know that turning on the cooling function is a must. When the temperature rises, the interior of the car becomes unbearably hot, making it impossible to drive without cooling—it's not just uncomfortable but also a risk of heatstroke. My usual routine is to roll down the windows for a minute or two to let the heat escape before starting the air conditioning and setting it to around 24 degrees Celsius, which is both comfortable and energy-efficient. Cars with automatic air conditioning make this process effortless with just one button. Remember to clean the filters regularly to prevent odors and blockages; opening windows for ventilation is fine on short trips, but for long journeys in high temperatures, cooling is essential for health and safety. The slight increase in fuel consumption is a minor concern compared to comfort and driving safety. The engine load may be higher, but modern cars are well-designed, so there's no need for excessive worry. In short, using cooling in summer is standard practice for driving.

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