Office Chair with Built-in Fan

Office chairs with built-in fans mainly come in two designs: suction and blowing, with the suction design offering more advantages. Taking the Qingxian OC1 Pro as an example, its fan is hidden beneath the seat cushion and adopts a 'suction' design, providing a better user experience.

Suction Design Principle and Advantages

Office chairs with suction designs, such as the Qingxian OC1 Pro, hide the fan beneath the seat cushion, drawing hot air from the contact surface between the cushion and the body at a speed of 4000 revolutions per minute. This design expels hot air through the bottom, creating a continuous airflow cycle. Its advantage lies in evenly removing heat generated at the contact points between the body and the cushion, keeping the buttocks dry. Since it draws hot air from the contact surface rather than blowing directly at the body, it avoids uneven cooling and provides a more comfortable experience. Additionally, this design prevents direct cold air from blowing onto the body, reducing discomfort caused by cold air stimulation, such as preventing the knees and legs from getting cold, making it healthier and more friendly for people who sit in office chairs for long periods.

Blowing Design Characteristics and Shortcomings

Most ordinary ergonomic chairs with fans adopt a blowing design, where air blows upwards from the seat cushion, directly sweeping over the legs and buttocks. Although this design can provide some cooling effect, it has significant shortcomings. On the one hand, cooling is uneven; since cold air blows directly at specific areas, it may cause localized overcooling while other areas may not cool effectively. On the other hand, direct cold air blowing can have adverse effects on the body, especially on the knees and legs. Prolonged exposure to cold air stimulation may cause joint discomfort, muscle tension, and other issues, affecting health.

Conclusion

Overall, the suction design of office chairs with built-in fans outperforms the blowing design in terms of cooling effect, comfort, and healthiness. The suction design adopted by the Qingxian OC1 Pro provides a superior solution for office chairs with built-in fans, better meeting people's needs for comfort and health during office work.