In recent years, with the remarkable enhancement of the public's health awareness, indoor air quality has become a hot topic of concern across the whole society. Relying on continuously upgraded technologies and increasingly widespread applications, the fresh air duct system is reshaping the air quality environment of people's living and working spaces.

In terms of technological innovation, the fresh air duct system is rapidly developing towards intelligence and high efficiency. The new generation of systems is equipped with advanced sensing technologies, which can conduct 24-hour continuous monitoring of the concentrations of pollutants such as indoor PM2.5, formaldehyde, and carbon dioxide. When the air quality is detected to decline, the system can automatically adjust its operation mode within 30 seconds and quickly replace the turbid indoor air by increasing the ventilation volume. At the same time, there have also been significant breakthroughs in duct design. By adopting a special process for smooth inner wall treatment and a scientific curved design, the wind resistance has been reduced by 35%. This not only saves energy but also significantly improves the ventilation efficiency, enabling fresh air to be delivered more quickly and evenly to every corner of the indoor space.

The continuous growth of market demand has become a powerful driving force for the development of the fresh air duct system. According to the latest industry statistics, the market size of the fresh air system in 2024 increased by 48% compared with the previous year, and more and more families are including it in their essential renovation projects. In a newly built large community in Shanghai, more than 75% of the households have installed the fresh air duct system. The residents have reported that even in hazy weather, the indoor PM2.5 concentration can always be kept below 15 micrograms per cubic meter, and the air quality has been greatly improved.

In addition to the residential sector, the application of the fresh air duct system in commercial and special venues is also becoming increasingly in-depth. In high-end office buildings and large shopping malls, the fresh air duct system can achieve a complete air replacement 2 to 3 times per hour, effectively alleviating the problem of turbid air in densely populated places and creating a comfortable environment for office workers and shoppers. In places with extremely strict requirements for air quality, such as hospitals and laboratories, the fresh air duct system is equipped with high-efficiency HEPA filter devices and ultraviolet sterilization equipment, which can filter out 99.97% of tiny particles and effectively kill the germs in the air, providing a safe and reliable environmental guarantee for medical treatment and scientific research experiments.

"The popularization of the fresh air duct system is an inevitable result of people's pursuit of a high-quality life." Industry experts point out that in the future, with the deep integration of technologies such as the Internet of Things and artificial intelligence, the fresh air duct system will achieve more intelligent control and more user-friendly services, creating a healthier and more comfortable indoor environment for people.