Is It Okay to Keep the Car Running with AC On for Two Hours?
1 Answers
Keeping the car running with the air conditioning on for two hours does not cause major issues, but prolonged low-speed engine operation can easily lead to carbon buildup, which may reduce power output. Precautions for using car air conditioning include: 1. Turn off the A/C during startup and rapid acceleration: Since the air conditioning (non-independent type) consumes some of the engine's power, it is best to turn off the A/C when starting the car or accelerating rapidly, and turn it back on after the car has gained speed. This prevents insufficient engine power during acceleration and startup while also saving fuel. 2. Avoid setting the temperature too low: Many drivers prefer setting the temperature very low in summer, thinking it is more comfortable. However, this is a misconception, as an excessive temperature difference between the inside and outside of the car can easily cause the driver to catch a cold, and excessively low temperatures may also increase the risk of arthritis for passengers. Normally, the cabin temperature should be 5°C to 6°C lower than the outside temperature. 3. Adjust the air vent direction: Based on the principle that cold air sinks and hot air rises, drivers should direct the vents upward when using the AC and downward when using the heater.
