Does Turning on Car Heater Cool Engine?
Introduction
In the winter, many people rely on their car heaters to keep them warm while driving. However, some people believe that turning on the car heater can actually cool the engine. Is this true?
How Does a Car Heater Work?
A car heater works by circulating hot coolant through a radiator located in the dashboard. The fan then blows air over the radiator, which heats the air and blows it into the passenger compartment.
How Does Turning on the Car Heater Affect the Engine?
When you turn on the car heater, the coolant is diverted away from the engine and sent to the radiator. This can cause the engine to run cooler because there is less coolant available to absorb heat.
However, the amount of cooling that occurs is relatively small. In most cases, turning on the car heater will not cause the engine to overheat.
Benefits of Turning on the Car Heater
There are several benefits to turning on the car heater, including:
- Keeps you warm while driving
- Helps to defog the windows
- Can help to improve fuel economy by reducing the amount of time the engine idles
When to Turn on the Car Heater
You should turn on the car heater when you are cold or if the windows are fogged up. You should also turn on the car heater if you are going to be idling for an extended period of time.
Conclusion
Turning on the car heater can cause the engine to run cooler, but the amount of cooling that occurs is relatively small. In most cases, turning on the car heater will not cause the engine to overheat. There are several benefits to turning on the car heater, so you should not hesitate to use it when you need it.
