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Is the car air conditioner driven by the engine or electricity?

4 Answers
VanDaniela
07/29/25 4:33am
In traditional fuel-powered vehicles, the air conditioner is driven by the engine, which powers the compressor to operate. However, most new energy vehicles use electricity to drive the air conditioner. Below is more information about car air conditioners: 1. Cooling Principle: When the car air conditioner is cooling, the compressor clutch engages, allowing the engine to drive the compressor. The compressor continuously compresses the refrigerant and delivers it to the evaporator. Inside the evaporator, the refrigerant expands and absorbs heat, cooling the evaporator. The cooled evaporator then cools the air blown by the blower. 2. Heating Principle: When the car air conditioner is heating, high-temperature coolant from the engine flows through the heater core. At the same time, air from the blower passes through the heater core, allowing the air conditioner vents to blow warm air.
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DiIsabelle
08/12/25 5:03pm
The car's air conditioning is powered by the engine. In most traditional fuel-powered vehicles, the engine is connected to the AC compressor via a belt. When you start the engine, its rotation drives the belt, causing the compressor to work and compress the refrigerant, cooling the interior. I've worked with many cars, and this system is simple yet efficient—it directly utilizes the engine's power source without requiring additional electricity, and maintenance is relatively easy. However, the downside is that it increases the engine load, leading to higher fuel consumption. Especially in summer, you might feel the car lacks power when the AC is on. Electric vehicles, on the other hand, use battery power to directly drive the compressor, making them quieter and more eco-friendly. Overall, engine-driven AC is the mainstream, and it's important to check the belt and refrigerant condition to avoid malfunctions and ensure driving comfort.
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DiNora
10/03/25 3:26am
I've been driving for almost ten years, and the car's air conditioning is basically driven by the engine. After the engine starts, a belt drives the air conditioning compressor to rotate, and the refrigerant circulates to send cold air into the car. This design is convenient, after all, the engine is the power center. Electric vehicles use electric drive, but the fuel cars I drive all rely on the engine. In summer, when the air conditioning is on, I can clearly feel the engine working harder, and the fuel consumption is also higher. In daily maintenance, I have to pay attention to the tightness of the belt. If the belt breaks, the air conditioning will stop working, affecting driving. Remember, replacing the belt regularly can reduce trouble. The air conditioning in electric vehicles is more flexible, while ordinary cars require more careful maintenance to be worry-free.
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DanielaMarie
11/16/25 5:06am
As an automotive enthusiast, I've noticed that car air conditioning systems in traditional fuel-powered vehicles are engine-driven, with the compressor powered by the engine belt for cooling; whereas in electric vehicles, the compressor is directly powered by electricity from the battery, making it more efficient and energy-saving. Gasoline cars have a more mature design but consume additional fuel; electric vehicle air conditioning responds faster and operates with less noise. The future trend is electric drive. For gasoline cars, maintaining the belt is key, while electric vehicles are quieter, more fuel-efficient, and avoid such failures.
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