does car heater work with engine off

OlgaRussell Release Time: June 30, 2024, 12:23 PM

I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.

The car's heater system depends primarily on the engine's heat. When the engine runs, it generates heat, which is then transferred to the cabin via the heater core. With the engine off, the circulation of hot coolant through the heater core stops, leading to the gradual cooling of the air it emits. However, immediately after shutting the engine down, some residual warmth might still be available, providing brief heating. For sustained heating with the engine off, special systems, like electric heaters in some electric and hybrid vehicles, are necessary. These systems do not rely on engine heat and can offer warmth independently.

GeraldArthur Release Time: March 28, 2024, 7:15 PM

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In most cases. car heaters do not work when the engine is off because heaters generate heat from engine coolant. Therefore. when the engine is turned off. no heat is generated. While the engine is off. some electric or hybrid cars can run their heaters for a short period of time.

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