As temperatures continue to drop, many drivers turn on air conditioning while driving. However, some drivers fear that if air conditioner is turned on every day, car's fuel consumption will be even higher. It doesn't actually use much fuel when heater is turned on in winter. If fuel consumption goes up when heater is turned on, it's probably because you've done these things!
Why doesn't car use fuel when car is running? This is because heating a car air conditioner does not require engine to take some of power to run A/C compressor, but uses waste heat generated by engine, so it does not increase fuel consumption. from car. So why do some car owners increase fuel consumption when heater is turned on? This is because following minefields have been affected.
The first minefield is to turn on heater as soon as you get into car. Since winter temperature in north is ten to twenty degrees below zero, when you first get into car, it becomes almost cold. In order to immediately warm up car, many car owners turn on air conditioner and warm air when car is first started. But this will not only immediately warm up car, but also increase fuel consumption. Because when car is just starting, heat from engine's cooling water is not enough for air conditioner. At this time, turning on warm air to dissipate heat will slowly raise temperature of cooling water, which will put an additional load on engine, and, accordingly, fuel consumption of car will increase.
The second minefield is turning on air conditioner button when heater is turned on Many car owners habitually press air conditioner button when heater is turned on. But pressing A/C button means compressor starts, and when compressor is running, it definitely increases fuel consumption. The air conditioning system uses heat generated by car's own thermal cycle to transfer part of it to passenger compartment. This means that compressor does not have to run to turn on heater, so there is no need to press A/C button at all.
After talking about why your car's fuel consumption gets higher when you turn on heater in winter, editor will tell you how to warm up your car quickly in winter. If you want to warm up car quickly, most important thing is to warm up car first, and then drive at low speed for a certain distance. After engine water temperature reaches 60°C, turn on air conditioner and warm up air, and then use it together with internal circulation to warm up car quickly. If window fogs up when warm air is turned on, you can open window to reduce difference in temperature between inside and outside car, which can make car windows easier to fog up.
However, despite fact that air conditioning and warm air are good, there are still many problems. First, warm air of air conditioner cannot be blown into head for a long time, which will easily cause driver fatigue and affect driving safety. Therefore, editors recommend opening small cracks in car windows for air circulation when warm air is turned on for a long time, in order to ensure oxygen content in car air and keep driver clean. at head. Besides, when warm air in car is turned on for a long time, it is impossible for everyone to sleep in car, especially with windows closed, it is very easy to cause carbon monoxide poisoning. If you want to sleep, find another suitable place.
The existence of automobile warm air does make driving comfortable in winter, but you have to learn how to properly use warm air to play its part.