English 
French 
German 
Spanish 
Portuguese 
Dutch 
Italian 
Russian 
Chinese 
Japanese 
Korean 
Indonesian 
Thai 
Vietnamese 
Arabic 
Turkish 
Hebrew 
Hindi 
I. Core Conclusion: Poor Purification Effect is Mostly Due to Improper Use; Scientific Operation is Key
Many households have encountered the situation where air purifiers are “expensive but ineffective”. The core reason is not product quality issues, but ignoring key details such as scenario adaptation and operational specifications during use. The exertion of an air purifier’s purification effect depends not only on the product’s own performance but also directly on the use environment and operation methods. To solve the problem of poor purification effect, it is necessary to first identify the core factors affecting efficiency, then optimize the use methods accordingly, specifically starting from two aspects: “avoiding misunderstandings + scientific operation”.
II. Three Core Misunderstandings Affecting Purification Efficiency
First, insufficient airtightness of the use environment, which is the most common problem. Air purifiers need to form cyclic purification in a relatively airtight space. If doors and windows are left open during use, external polluted air will continue to pour in, and the purification speed will be far unable to keep up with the pollution input speed, naturally feeling poor effect; second, mismatched model and room area. If a model with a small CADR value is used in a large space, the purification range will be incomplete, and the local air quality cannot be improved; if a model with a large CADR value is used in a small room, although it can purify quickly, it will cause energy waste and loud noise at high wind speed; third, untimely filter maintenance. The filter is the core of purification. If it is not replaced for a long time, the HEPA filter will be unable to intercept particles due to saturated dust capacity, and the activated carbon filter will release pollutants after adsorption saturation, which not only reduces purification efficiency but also may cause secondary pollution.
III. Scientific Operation Methods to Maximize Purification Effect
1. Ensure environmental airtightness and reduce pollution input: Close doors and windows before turning on the purifier. If ventilation is needed, choose periods with light pollution (such as after rain and sunny days, early morning) for short-term ventilation for 10-15 minutes, then close doors and windows and turn on the purifier; for rooms with poor airtightness, install sealing strips to reduce air leakage and improve purification cycle efficiency.
2. Match scenarios with wind speed to balance effect and experience: Adjust wind speed according to room area and pollution degree: For daily mild pollution (such as indoor dust, slight odors), turn on automatic mode or low wind speed to balance purification effect, energy saving and quietness; for severe pollution (such as smog days, high formaldehyde concentration in new houses), turn on high wind speed to quickly reduce pollutant concentration, then switch to low wind speed after air quality improves; for nighttime use in bedrooms, prioritize quiet mode to avoid noise affecting sleep, and ensure that the model’s CADR value is suitable for the bedroom area to avoid untimely purification.
3. Reasonably place the machine to ensure smooth air circulation: The machine should be placed away from walls, furniture and other obstacles. It is recommended to be at least 30cm away from walls and 20cm away from furniture to avoid blocking air inlets or outlets; prioritize placing it in the center of the room. If it cannot be centered, it can be placed in an area close to the pollution source and with good air circulation (such as near the kitchen door, next to new furniture) to intercept pollutants more accurately; avoid placing the purifier in direct sunlight or humid areas (such as near the bathroom door, balcony). Direct sunlight may accelerate filter aging, and humid environments are prone to mold and bacteria growth on HEPA filters, affecting purification effect and service life.
4. Regularly maintain filters to maintain core performance: Regularly inspect and replace filters according to usage frequency and pollution degree: The regular replacement cycle of HEPA filters is 6-12 months. If used in a severely polluted environment for a long time, it needs to be shortened to 3-6 months; the replacement cycle of activated carbon filters is 3-6 months. If there is an obvious odor at home and the adsorption effect of the purifier decreases, it should be replaced in time; some washable primary filters (used to intercept hair, large particle dust) can be cleaned 1-2 times a month, dried and then installed for use. In addition, the filter replacement reminder function of the purifier can be used, or the color of the filter can be observed regularly (such as HEPA filter turning gray and black, activated carbon filter producing odor) for timely maintenance.
5. Target pollutants to improve purification accuracy: To remove gaseous pollutants such as formaldehyde, in addition to turning on the purifier, you can place plants that absorb formaldehyde such as scindapsus aureus and spider plants, and maintain phased ventilation to accelerate formaldehyde release and purification; to deal with particle pollution such as PM2.5, on the basis of closing doors and windows, reduce indoor dust (such as avoiding frequent sweeping, patting quilts) to reduce pollutant sources; if there are people with allergies at home, in addition to turning on the purifier, regularly clean the indoor environment to reduce allergens such as pollen and pet dander, and ensure that the purifier is turned on for a sufficient time, it is recommended to use it continuously for more than 8 hours a day to avoid air quality fluctuations caused by intermittent use.
IV. Summary: “Ventilation + Purification” Combination to Build a Solid Indoor Air Defense Line
Finally, it should be emphasized that the core function of an air purifier is to “purify existing air pollutants”, and it cannot replace the “fresh air replacement” function of opening windows for ventilation. In daily use, the combination mode of “ventilation + purification” should be followed: ventilate and replace air during periods of light pollution, and turn on purification in severely polluted or airtight environments. The combination of the two can more efficiently ensure indoor air quality. As long as you avoid using misunderstandings and follow scientific operation and maintenance methods, you can make the air purifier give full play to its purification efficiency and create a clean breathing environment for the family.
