The main function of fresh air system is to complete indoor and outdoor ventilation without opening windows. Perhaps because of outdoor air pollution, noise, or hot or cold, many people tend to close the windows for a long time to keep the room relatively closed for a long time. In this state, the concentration of carbon dioxide will increase, and pollutants such as odor (such as smoke smell) and formaldehyde cannot spread out. Even if the indoor pollutant content is qualified, it is still not the most favorable environment for human body. Therefore, the existence of fresh air system can avoid the above situation. Nowadays, many purifiers with fresh air systems can not only exchange air, but also have the function of purification.
Therefore, it is necessary to install fresh air. For Xinfeng brand, there are many large and small brands on the market now. You need to choose a product that is suitable for your home, with good purification effect, low noise, high efficiency and energy saving. It is recommended that you use split fresh air purification system, which is an intelligent home solution, including fresh air host and fresh air companion, saving the use cost, saving the trouble of buying several sets, and achieving the effect of purifying the whole family.