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How do car ACs work?

I just bought my first car and have a few general questions about how things work. This might seem like a silly question, but how do car ACs work?

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Claire Beaney · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Hey, there are no silly questions when it comes to cars—they are pretty complicated!
To answer your question, the AC system in a car operates by converting refrigerant from a liquid to a gaseous form. The refrigerant absorbs heat and humidity from the car when it changes states, allowing the system to emit cold, dry air.
It’s a pretty straightforward system, but that doesn’t mean it can’t fail! If your air conditioning system isn’t working properly, it’s a good idea to have a reputable mechanic do a simple inspection.
For any issues or breakdowns with your car, it’s a good idea to check if your
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MORE: Why your car heater is blowing cold air
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