How Much More Fuel Does Using Air Conditioning Consume While Driving?

1 Answers
LaLandon
07/30/25 12:47am
Generally, when a car's air conditioning is turned on, it affects 20% to 30% of the engine's power. Therefore, driving with the air conditioning on consumes 20% to 30% more fuel compared to driving without it for the same distance. The maintenance methods for car air conditioning are as follows: 1. Poorly sealed doors: It is common knowledge to use air conditioning in a fully enclosed state. The same applies to car air conditioning. If doors and windows are not tightly closed during use, the cooling effect will be poor, and it will also waste fuel. 2. Random adjustment of air vent direction: Some car owners do not pay attention to adjusting the direction of the air conditioning vents when using it, which is not conducive to achieving the best performance of the air conditioning. According to the principle that cold air sinks and hot air rises, the correct approach should be to direct the vents upward when cooling and downward when heating. 3. Keeping the air conditioning on for long periods: Some car owners often leave the air conditioning on continuously after starting the car. However, prolonged use of the air conditioning can increase the pressure on the condenser, causing wear and tear on the cooling system. This is because the air conditioning is a heavy load on the engine, and the engine itself generates heat, especially in hot weather.
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