Does Using a Diesel Heater While Parking Drain the Battery?

[Marty]

Using a diesel heater while parking does not drain the battery. The diesel heater is also known as a parking heater. Working Principle of Parking Heater: The working principle of a parking heater is to utilize the vehicle's battery and fuel tank to provide instant power and a small amount of fuel. It heats the engine coolant by burning gasoline, enabling a warm start of the engine while simultaneously warming up the cabin. Pros and Cons of Parking Heater: The advantage is that it can warm up the interior, creating a comfortable driving environment for the driver. The disadvantage is that it inevitably consumes some fuel. Although the parking heater operates using the battery and gasoline, the battery's charging still relies on gasoline.