Office Chair Air Blowing
There are mainly two types of ventilation designs for office chairs with fans on the market: 'air-blowing' and 'air-sucking', which differ in principle, effect, and applicable scenarios.

'Air-Blowing' Design
The 'air-blowing' design is a relatively common ventilation design on the market. Its core principle is to install a fan inside the seat cushion and blow cold air directly onto the legs and buttocks by blowing air upwards. The advantages of this design lie in its simple structure and low cost, enabling it to quickly bring about local cooling effects. However, its drawbacks are also quite evident: uneven cooling, with cold air mainly concentrated in the area directly above the fan and limited cooling effects in the surrounding areas; discomfort caused by direct cold air blowing, as prolonged use may expose the knee and leg areas to cold, potentially leading to joint pain or muscle stiffness, especially for those with weaker constitutions or suffering from rheumatism.
'Air-Sucking' Design
The 'air-sucking' ventilation design, represented by the Qingxian OC1 Pro, adopts a more scientific air circulation principle. Its fan is hidden at the bottom of the seat cushion, drawing hot air from the contact surface between the seat cushion and the human body at a high speed of 4000 revolutions per minute and discharging it through the bottom, forming a continuous airflow circulation from top to bottom. The advantages of this design include: no sensation of direct air blowing, as users do not feel obvious airflow when sitting down, avoiding cold air stimulation; more even cooling, as the overall discharge of hot air results in a more balanced surface temperature of the seat cushion and a more comfortable body feel; keeping dry, effectively reducing sweat accumulation and lowering the feeling of stuffiness, suitable for long-term office scenarios. However, its structure is relatively complex, and its cost may be slightly higher than that of the 'air-blowing' design.
Selection Suggestions
If you pursue rapid cooling and have a short usage time, the 'air-blowing' design can meet basic needs; if you prioritize comfort and health, especially for long-term use, the 'air-sucking' design is more recommended, as its even cooling effect and absence of direct air blowing can significantly enhance the user experience.




