How much fuel does a car consume when running the air conditioner overnight?

1 Answers
JosiahAnn
07/30/25 4:10am
Running the air conditioner in a car overnight consumes approximately 16-20L of fuel. Generally, a 1.5L displacement household car consumes about 1.6L-2.4L of fuel per hour when idling with the air conditioner on. Taking an average of 2L per hour, and calculating for 8 hours overnight, the total fuel consumption would be 16L. For higher displacement engines, the fuel consumption would be even greater. Here are some precautions for sleeping in a car: 1. Ventilation: Leaving a small gap in the window can facilitate air circulation, preventing the risk of suffocation, whether in hot summers or cold winters. 2. Open areas: When resting, park the car in an open outdoor area to ensure good air circulation.
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