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Does Using Air Conditioning While Driving Consume More Fuel?

2 Answers

LeIan

07/29/25 12:45pm

Using air conditioning accounts for approximately 20% of the engine's power, leading to increased fuel consumption. The exact increase depends on the vehicle's displacement and speed. Typically, a car that consumes 10 liters of fuel per 100 kilometers will see an increase of about 2 liters when the air conditioning is on. Below is an introduction to car air conditioning: Definition: The car air conditioning device (air conditioning device), referred to as car air conditioning, is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to optimal conditions. It provides a comfortable riding environment for passengers, reducing travel fatigue, and creates good working conditions for the driver, playing a crucial role in ensuring safe driving. Main Components: Generally, it includes a refrigeration device, heating device, and ventilation device. This integrated system makes full use of the limited space inside the car, featuring a simple structure and ease of operation, making it a popular modern car air conditioning system internationally.

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StephanieMarie

08/14/25 1:04am

Turning on the air conditioning does increase fuel consumption, which many drivers have experienced. The AC system requires the engine to provide extra power to drive the compressor, meaning the engine must burn more fuel to maintain vehicle operation. This effect is especially noticeable in city traffic jams or during slow driving, as engine efficiency drops. Based on my experience with various cars, I've observed that using AC in summer typically adds 0.5 to 1 liter of fuel per 100 kilometers. To minimize the impact, I usually open the windows for a few minutes after starting the car to let hot air escape before turning on the AC. Setting the temperature between 22-25°C is sufficient. Regular maintenance of the AC filter and system is crucial to prevent aging or blockage, thereby reducing engine load. Don't forget to check tire pressure too - underinflated tires increase friction, making the engine work harder and further increasing fuel consumption. Smart AC usage can save you some fuel costs, especially for short trips where using ventilation mode instead might be a better option.

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