Is seat ventilation provided by AC air or natural air?

[MacKathryn]

Seat ventilation generally uses natural air. Here is more information about seat ventilation: 1. Working principle: Seat ventilation is achieved by adding fans to the back of the seat cushion and backrest foam. The fans draw in air and direct it into the ventilation layer. The airflow then permeates upward through the ventilation layer, passes through the heating pad, and flows to the surface of the seat cover (the seat cover is made of perforated leather). 2. Advantages: When a passenger sits on the seat, the back of the body is in close contact with the seat surface, and the air in the contact area does not circulate, which is not conducive to sweat evaporation and can cause discomfort. The ventilation function effectively improves the air circulation in the contact area between the body and the seat surface, ensuring a dry and comfortable experience even during long rides.

[Marian]

Seat ventilation generally uses the air from the car's air conditioning system, not outside natural air. When I first bought my car, I was also curious about this and thought it was the wind coming in through the windows. Later, I tested it carefully—driving in extreme heat with the air conditioning off and only the ventilation on, the air from the seats was still warm. But once I turned on the air conditioning, the air immediately became cool, and the seats blew cold air. So, it's definitely connected to the air conditioning system. This design makes more sense because natural air can't control temperature or cleanliness. Air conditioning air passes through filters, making it cleaner and capable of dehumidifying. Every time I go on a long drive, using seat ventilation along with the air conditioning keeps my back from getting sweaty, making the ride much more comfortable. I recommend friends try this feature more often in summer, but remember to maintain the air conditioning regularly to avoid blocked vents affecting performance.

[FernandoDella]

I think seat ventilation mainly uses the air from the AC. I'm the kind of person who enjoys studying car details and has read some manuals. The air from the ventilation system is drawn from the AC unit, then channeled through small tubes to the fans under the seat cushions before being blown out. Natural wind usually isn't this cool unless you're driving with windows down, but ventilation works best when combined with AC. This design saves energy by utilizing existing systems. On a related note, turning on both AC and ventilation in hot weather cools the cabin faster, reducing heatstroke risks. I regularly check the AC filters too, because weak airflow might indicate dirty filters or fan issues. In short, it's not natural wind but utilizes AC resources to enhance comfort.

[LeAdriel]

The seat ventilation uses air conditioning airflow. I have driven for many years and used the ventilation function countless times in hot weather. It is not natural wind because the temperature of natural wind is unstable, and the wind is also hot when it's 40 degrees outside. The air conditioning airflow is controllable, and after ventilation, the seat becomes cool, preventing slipping while driving. This function is very helpful for long-distance high-speed driving, reducing fatigue. An additional benefit is that it can prevent seat mold and keep it clean. I personally service the air conditioning every year to ensure the airflow volume.

[OMalachi]

Seat ventilation relies on the air conditioning system to provide airflow, not natural wind. Some of my friends mistakenly thought it was outside air directly entering the seats, but trying it out makes it clear. In summer, with windows closed and ventilation on, the cool breeze confirms it's supplied by the AC. This design is more efficient, quickly cooling the body. Notably, the ventilation works when the AC is on but operates independently from the AC vents. Be careful not to block the seat air outlets to avoid reducing effectiveness. Long-term use of this feature is comfortable and safe.

[VonSienna]

Seat ventilation is driven by air conditioning airflow, not natural wind. I often help friends with minor repairs and understand this mechanism. It directs air from the air conditioning system through ducts to the internal fans in the seats, blowing out cool air. Natural wind is not temperature-controlled, while air conditioning airflow ensures a cooling effect. Related maintenance advice includes checking the air conditioning pressure and the seat switch circuit. For better results, use it in conjunction with the air conditioning temperature settings.