Does Using the Heater When the Car is Cold Affect Fuel Consumption?

1 Answers
LeLilliana
07/30/25 10:55am
Using the heater in winter does not affect fuel consumption. The reasons why it doesn't affect fuel consumption and the precautions for using the heater in winter are as follows: Reasons why it doesn't affect fuel consumption: In winter, the heater utilizes the heat generated by the engine, which is then transferred into the cabin via the blower. This is a form of heat recycling, so the power consumption of the heater is much lower than that of the air conditioning, making the fuel consumption negligible. Precautions for using the heater in winter: Do not turn on the heater immediately when warming up the car. Wait until the engine coolant temperature rises before turning on the heater. When the car is first started, the oil needs some time to lubricate all components; set the air circulation mode to recirculation to quickly raise the temperature inside the car.
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