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8 Steps to Choose the Best Air Purifier for Home

8 Steps to Choose the Best Air Purifier for Home


Introduction


When talking about air quality, people always focus on outdoor air. However, we are easy to ignore that indoor air has a greater influence on our health. Furthermore, the indoor air often even more polluted when compared to the outdoor air.
Due to the rage of the Coronavirus pandemic, the time people stay at home is more than ever before.
Under such a circumstance, clean air is very significant to your health and work efficiency. That's what an air purifier can provide.
Through this article, we will share 8 steps to help you choose a suitable air purifier for home. Before this part, we still need to know some basic knowledge about the air purifier for home, such as what it is, why we need it, how it works.

What Is An Air Purifier?

An air purifier is a product that can absorb, decompose or transform a variety of air pollutants (generally including dust, pollen, particle matters, formaldehyde, benzene, toluene, and other gaseous pollutants, bacteria, allergens, etc.).
Air purifiers steped into the household field in the 1980S. After decades of development, different kinds of advanced technology have been applied in the air purifier, mainly including filtration and adsorption technology, electrostatic dust collection and electronic dust collection technology, plasma purification technology, catalytic purification technology, negative ion clean technology, and so on.

How Does An Air Purifier Work?

At present, the air purifier equipped with HEPA, activated carbon filtration, or ion filtration system is the mainstream product, occupying about 80% of the market share.
This kind of air purifier is mainly composed of a machine shell (air duct), fan, filter screen, control system, and so on. Divided into passive air purification, HEPA air purifier is more efficient because all the dust and particle matters will be cough in the filters.
Another kind of purifier- Active air purifiers can cause pollutants to stick to surfaces by releasing negatively charged ions into the air.
The most common methods used in air purifiers are high-efficiency particulate air(HEPA) filters and ultraviolet germicidal irradiation(UVGI)
Given its popularity in the market, we will put our focus on HEPA purifiers.
The function process includes  drawing air through filters and circulating the air back into the room. The purifiers can absorb different kinds of pollutants.
Substances smaller than 1μm are easy to adsorb on large particles and fibers, so part of bacteria, viruses, and VOC can also be filtered out when filtering large particles.
If you want to know more about different types of air purifier and how they work, read our previous article:
What you need to know when you buy an air purifier for home


Why We Need An Air Purifier for Home?

Living in an environment filled with pollutants like dust, pollen, and other particles matter will be harmful to your families' health. Many diseases can be caused by these pollutants.

1. Upper respiratory tract infection

There are a large number of particles and viruses floating in the air. Living in an environment with these substances for a long time will be harmful to the respiratory mucosa, making the nasal cavity dry. As a result, you will be more likely to catch an upper respiratory infection.


2. Bronchial asthma

The bacteria and viruses in the air easily lead to the spread of infectious diseases and some other kinds of diseases.
In particular, air pollutants are not easy to diffuse in the urban area, which is aggravates the toxicity of sulfur dioxide, carbon monoxide, nitrogen oxides, and other substances.
These allergens will irritate the respiratory tract of people with bronchial asthma, leading to symptoms like coughing, sulking, shortness of breath, and other symptoms.


3. Rickets in children

The Environmental Institute of the Chinese Center for Disease Control and Prevention has spent one year researching the impact of haze on human health. It has been found that haze weather not only causes an increase in the incidence rate of respiratory diseases but also has some indirect effects on human health. The haze will weaken the ultraviolet radiation, such as the frequent occurrence of haze will affect the synthesis of vitamin D, leading to a high incidence of rickets in children.


4. Cancers

PM2.5 level is positively correlated with the incidence of lung cancer. Existing studies in China also shown that PM2.5 can enter the blood circulation and cause damage to the heart. In many European and American countries, these studies have been conducted for nearly ten or twenty years, showing that the death rate of lung cancer increases by about 17%-25% for every 10μg/m3 increase of PM2.5.

Through this part of the content, you may understand the necessity of an air purifier for your home. Such a device can effectively reduce the possibility of getting some kind of disease, especially when you get infants at home. The resistance to viruses and other micro-substances are not as strong as adults, they are more sensitive to the air quality.


7 Steps to Choose the Best Air Purifier for Home


(1)Performance parameter

You should pay attention to the performance parameter of the product. During the purchase of an air purifier for home, you have better check the CADR(Clean air delivery rate), cumulative purification volume, the efficiency of clean and noise levels, from which we can estimate what the air purifier can do.


(2)Pollutants you want to filter

You should consider your environment and the effect you want to achieve. For the newly decorated house, the most important thing is to clean formaldehyde, toluene, and other gaseous pollutants. Under such circumstances, we should give priority to the purchase of products marked with formaldehyde clean air delivery rate and formaldehyde cumulative purification volume.
For the use of dealing with haze, clean air delivery rate and the cumulative purification volume of particulate matter are more important.
In conclusion, you should select the air purifier for home according to your need.


(3) Size of Space

The size of the space is an important factor needed to be considered.
If the room you want to clean is large, it would be better to choose the air purifier with a large clean air delivery rate(CADR). Generally speaking, an air purifier with a larger CADR can remove more particles and clean a larger room.
For example, a CADR of 100 formaldehyde means that the air purifier can reduce the formaldehyde concentration which is equal to the addition of 100 cubic feet of fresh air per minute.
Another way to find the best air purifier for home is to look at "air changes per hour." This data may be included in your air purifier's specs. It can help you estimate the purification capacity of the device. Let me take a small air purifier as an example. It could turn over the air in a 350-square-foot room eight times in one hour. If we double the area of the room to 700-square-foot, this small air purifier can only achieve four air changes per hour
When selecting an air purifier, you can refer to the applicable area, clean air delivery rate, and air changes per hour marked on the product specs.

(4)Durability

The HEPA air purifiers are the kind of product with filters. In order to extend their durability, you have better replace the filter screens regularly. As to the electrostatic air purifier, regular cleaning of the filters is necessary.
Another key parameter affecting the durability is cumulative purification volume. To some degree, the greater the cumulative purification volume, the longer the durability of the air purifier.

(5)Energy efficiency

When choosing an air purifier, we also need to pay attention to the energy efficiency and noise of the air purifier. If you compare two air purifiers with the same CADR, you can get the conclusion that the higher the energy efficiency one has, the more electricity one can save.
The air purifier we choose will be placed at home, where people live for a long time. Therefore, we should consider the noise of the device.
We can view the data of noise in product Specs. At present, the noise of the air purifier generally ranges from 45~70dB (A)


(6) Matters need attention in online shopping

If decide to buy an air purifier online, you should be sure not to walk into the trap of low price. We should be alarmed that if the online price of products is far lower than the price of real products.
At present, the home appliance industry has entered the era of small profits. The price of online home appliances can not be too much cheaper than the market price. Online shopping reduces only the cost for circulation channels, generally about 10% - 20%.

(7)The arrival of goods

After the arrival of the goods, You should check the product identification, product specifications, models, and trademarks,which should be consistent with the data in the manual and outsourcing box. You can also check the power cord to see if it is secure.
Assembly quality, switch, the knob should be flexible and reliable. Read the instructions carefully before connecting the power and be familiar with safety precautions.


(8) Maintenance

Schedule and perform maintenance according to the instructions. If there are electrical safety faults please contact the manufacturer in time.
Regular replacement of filters is necessary.
The pollutants attached to the filter will accumulate in a large quantity.
On the one hand, such a large quantity of the substance can increase the resistance of air through.
On the other hand, various substances can cause a biochemical reaction, breeding bacteria. As a result, we may need to face secondary pollution.
Therefore, we must replace the filters in the air filter purifiers regularly to ensure the air volume and purification capacity


Conclusion

In this article, we share some knowledge about an air purifier for home, including
1.How does an air purifier work?
2.Why we need an Air purifier for home?
3.How to Choose the best Air Purifier for Home
After going through this article, you may know that the importance of boasting an air purifier, and have clear knowledge about the way to choose the best air purifier for home.
If you have other questions about air purifiers, Contact us through Email, we will reply as soon as possible.
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