There are many types of indoor air pollutants, among which PM2.5, formaldehyde and carbon dioxide are the most harmful, causing the most attention. In order to improve air quality, users usually install an air purifier or a fresh air system. The user’s awareness of the fresh air system is still lower than that of the air purifier.

The best type of air purifier for allergies can adsorb, decompose or convert various air pollutants and rapidly reduce the concentration of indoor air pollutants; the fresh air system can exchange indoor and outdoor air and filter the pollutants in the air during the exchange process. The air purifier is essentially an inner circulation of air. The dirty air is filtered and returned to the room. The fresh air system is essentially an outer circulation of air, which can continuously exchange indoor and outdoor air. The fresh air system can continuously extract fresh air from the external environment while removing indoor air pollutants, and there is almost no noise during work. These are the advantages that the air purifier does not have.

Although the user experience of the fresh air system is better, the user’s awareness of the fresh air system is far less than that of the best air purifier for mold and dust allergies, which directly affects the sales of the fresh air system.

The function of the fresh air system seems to be the same as that of ventilation. However, under the premise of more pollutants in the air, ventilation and ventilation will introduce dirty air into the room, while the fresh air system will filter the air while entering the air. , disinfection, sterilization, aeration and other operations to ensure the quality of the air.

The fresh air system is divided into two types: ducted fresh air system and non-pipe fresh air system. The non-pipe fresh air system is easy to install and suitable for home use, which is much simpler than the user-imagined installation process.

Although the price of the fresh air system is slightly higher than that of the air purifier, the filter replacement frequency of the fresh air system is lower than that of the air purifier, and in the long run, the fresh air system may be more affordable.

Fresh air systems and air purifiers are not fish and bear’s paws, and the two will work better together. Users who live in smog, dusty and even noisy places can choose to install a fresh air system. The fresh air system can keep the air fresh and provide a better user experience without the user opening the window for a long time.

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