How much fuel is needed to run a car's air conditioning overnight?

1 Answers
GideonDella
07/30/25 8:05am
It depends on the car model and engine displacement. Generally, it consumes around 10 liters of fuel. Be cautious not to run the air conditioning overnight in an enclosed space, as it can easily lead to oxygen deprivation. Here are some fuel-saving tips for using air conditioning: Wait for the car to cool down before turning on the air conditioning: During summer when the car is parked outdoors, it's best to open the windows first before getting in. Avoid immediately turning on the air conditioning for cooling. Instead, set the fan to maximum speed to accelerate ventilation and wait for the hot air inside to dissipate before activating the cooling function. Avoid setting the temperature too low: Do not keep the air conditioning temperature at the lowest setting for extended periods. A significant difference between the interior and exterior temperatures will increase fuel consumption and may also affect the health of the driver and passengers.
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