Maintenance of air purifier
Rear panel (front filter): no need to replace, clean once a month;
HEPA filter: 5 years a change;
Washable deodorant filter: 5 years a change, when feeling the odour is more difficult to get rid of, you can clean the filter;
Humidification filter: 2 years a change, a month to clean the filter above the scale;
Deformaldehyde filter: 2 years a change.
How to buy an air purifier?
1. Whether absolute safety
The only thing you want to do when you buy an air purifier is to use it for healthy and fresh air. Whether an air purifier is safe or not is the basic prerequisite for deciding whether it is desirable or not. The shell, movement and purification technology of the air purifier will directly affect the safety of the air purifier. Purification technology should be chosen with the nature of positive and negative ions, and 13 foreign institutions to certify the safety of the ion purification technology.
2. Whether the purification principle of science, is to achieve an efficient air purifier effect.
There are five internationally accepted air purification principles, physical, electrostatic, chemical, negative ion and composite. Generally speaking, air purifiers that use a variety of purification methods at the same time will have a better purification effect. For example, dust, odour, pollen and other large particles can be filtered by physical purification methods; while allergic substances, viruses, formaldehyde and other harmful substances require chemical purification methods.
According to the purification method from the direction of the energy to be divided, the purification method from the direction of the energy to be divided, and there are active purification methods (air purification) passive purification methods (fixed-point purification) and the main passive composite purification of three kinds. The passive purification method only has the purification effect on the inhaled air; the active purification method will have the purification effect on the whole space. Active-passive composite purification is a combination of both, the effect is also better.
3. Whether to meet the specific purification needs.
As far as air purifiers are concerned, the purification function is the most important. If your requirements for indoor air purifiers are only based on improving indoor air quality, you can choose the type that simply purifies the air and is cost-effective. As people's need for quality of life is increasing, the demand for air purifiers is no longer simply to purify indoor air.
For example, those who work in closed air-conditioned rooms, because the dehumidification effect of the air conditioner makes the air in the room very dry, and the skin becomes dry, so when choosing an air purifier, they will buy humidified air purifiers with skin-beautifying features. Long-term crowd, indoor pollution of the crowd, and need to breathe close to fresh and bacteria-free air, the purchase of air purifiers will favour a small suitable desktop k air purifier. And people who own their cars should choose car air purifiers to purify all kinds of car odours and even relieve driving fatigue.