Does Car AC Use Gas?

Yes, the air conditioning system uses gas to operate, assuming you’re driving a gas-powered car in Bellaire. The alternator, which draws its power from the engine, powers the AC. Obviously, you need fuel for the engine to operate, and that’s the main source of energy for your car. While the AC requires gas to function, it doesn’t necessarily mean that using it is inefficient or wasteful. There are actually even some situations where using it is better than not using it. Find out how car AC works below from Serra Volkswagen of Traverse City’s service team! 

How Does Car AC Work? 

Basically, the air conditioning system works the same for all cars, regardless of the make. The AC runs on refrigerant, which is a high-pressure gas. All AC systems use the following components to operate: 

• Compressor — compresses the refrigerant into a fluid, allowing flow down a line to the condenser. 
• Condenser — eliminates the heat from the refrigerant and moves it to the expansion valve or orifice tube. 
• Expansion valve or orifice tube — changes the refrigerant back to its gaseous state, then transfers the gas to the receiver/drier or accumulator. 
• Receiver/drier or accumulator — removes moisture from the refrigerant and sends it to the evaporator. 
• Evaporator — takes the heat out of the air passing through its core, then sends it into the refrigerant, which results in cold air flowing beyond the evaporator. 

Can Using Car AC Be Fuel-Efficient? 

Yes, actually! When you’re driving at highway speeds near Kalkaska, using your car’s AC is actually more efficient than opening the windows. This is because the open windows create more drag, which causes the engine to work harder and use more fuel. So, if you’re cruising down the highway on a hot summer day in Lake City, you can crank the AC and feel good about it, because you’re reducing aerodynamic drag. 

Learn More About Your Car from Serra Volkswagen of Traverse City

Now that you know more about your car’s air condition system, learn about other components of your vehicle that you might be curious about, including an average tire lifespan and the proper care of leather seats. If you ever have any questions, feel free to reach out to us!