Recently, the manufacturer of Shengqiaoyi cooling clothes participated in the Osaka Labor Protection Exhibition in July 2025.
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In hot summer environments, the main challenge for clothing is not only the high temperature outside but also the heat and humidity trapped between the garment and the body. A summer cooling fan vest is designed to solve this problem by creating active airflow inside the clothing. Among its key technologies, the dual fan system plays an important role in improving air circulation and maintaining a more comfortable wearing environment.

Suzhou SenJoy Cooling Clothing Garment Co., Ltd. focuses on developing cooling clothing solutions that integrate ventilation technology with functional garment design. The dual fan structure used in cooling vests helps create continuous airflow, allowing heat to escape more efficiently and improving overall wearing comfort in warm conditions.
When people wear conventional clothing in hot weather, air movement inside the garment is often limited. Heat and moisture generated by the body can accumulate, creating a feeling of heaviness and discomfort.
A cooling fan vest improves this condition by actively moving air through the garment. The airflow helps exchange the warm air near the body with fresh air from outside, creating a better microclimate between the vest and the wearer.
The effectiveness of this cooling method depends largely on how efficiently air can circulate inside the vest.
A dual fan system uses two fans working together to introduce and distribute air inside the vest.
When the fans operate, external air is drawn into the clothing and moved through the internal space. This airflow movement helps prevent hot air from remaining trapped around the body.
Compared with a single airflow point, two fans can create a more balanced circulation pattern by providing airflow from different positions. This helps improve ventilation coverage and allows air to move more effectively throughout the vest.
One important advantage of dual fans is improved airflow balance.
With a single fan, the cooling effect may be concentrated in one specific area. Some parts of the vest may receive stronger airflow while other areas may have limited ventilation.
A dual fan configuration helps solve this issue by creating multiple airflow sources. The air can spread more evenly inside the garment, supporting a more consistent cooling experience.
This balanced circulation is especially important for clothing designs where airflow needs to reach a wider area rather than a single point.
During hot weather, heat and moisture accumulation inside clothing can reduce comfort. Without sufficient ventilation, sweat evaporation becomes less effective, and the wearer may feel hotter.
The dual fan system supports continuous air exchange by:
By maintaining airflow movement, the vest creates a more breathable environment compared with clothing that relies only on natural ventilation.
The cooling performance of a fan vest depends not only on having fans but also on how effectively the airflow is managed.
A well-designed dual fan system needs to work together with the structure of the garment to guide air movement. Proper airflow channels allow the generated air to circulate smoothly instead of escaping immediately.
Therefore, the dual fan design is not simply about adding two fans. It is about creating an efficient airflow system that improves ventilation and enhances the overall cooling experience.