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First，Let's start with the principle of cooling and winter heating in summer。

Summer refrigeration，is the role of our car air conditioner，When we press the A/C key on the middle control panel，Car's air -conditioning compressor startup work。This air -conditioning compressor must be motivated to work, right，So，Opening air conditioner in summer will increase the engine load，To put it plainly, it will increase fuel consumption，This is easy to understand。

Winter，We let the air conditioner blow the heat，Where does this "heat" come from? actually，This heat is not from our air conditioner compressor，but the heat generated from our engine。

Specifically，is the heat transmission of the engine to the coolant in the water tank，Cooling fluid temperature rises，The water tank of the cooling liquid will have two water pipes with the heating water tank of the air conditioner，So，It is enough to blow these heat into the car by air -conditioning fan。

So many friends discovered，If you turn on the air conditioner in winter，Generally starting a car，The hair dryer is also cold。After the temperature of the water tank comes up，can the hot wind blow out，It is because of the above reason。Sending hot air in the car，No need to provide motivation for engine，Therefore, it is almost not possible to make the motivation of our driving and will not increase fuel consumption。

But the question is, should the A/C key be opened?

What does this mean from the A/C key?seabet loginAt present, in the car air conditioner on the market，I feel that some are "single -cold air conditioners"，If it is opened in winter，It can only be dehumidified、The role of temperature adjustment，The heat is not generated by the compressor。

So let's summarize,This A/C key is not heating，Its role is to regulate the temperature and dehumidification。If you turn on the air conditioner in winter，If you are in the north，seabet myseabet myAnd if you still want to save oil，You can turn off the A/C key; if it is in the wet and cold air environment in the south，Don't turn it off，To avoid foggy windows，Affective sight。

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Conclusion

Last，I hope to be with you，Remember these wonderful stories，Learn the lesson lessons left by our predecessors，Regardless of the advantages and disadvantages of the outside world、Regardless of luck and bad luck，Nothing to complain about Tianyou，According to your own plan，Stable and stable，Step by step，progress a little every day，Looking back at this time in the coming year，You will find it，You have gone out of a long distance。

Lincoln has a saying good: I go slowly，But I will never go back。