house air purifier

Four Questions about House Air Purifier Using

A house air purifier can effectively remove harmful substances in the home, including second-hand smoke, formaldehyde, dust mites, pollen, natural air pollution, and other pollutants.


First of all, it is also a function that bears the brunt - to purify formaldehyde in the air to ensure our health. We all know that after staying in a room with formaldehyde for a long time, we often experience dizziness, poor breathing, cough, chest tightness, and long-term exposure may Cause chronic pneumonia, decreased lung function and impaired immunity, etc., patients are prone to repeated colds, fever and other symptoms, and even lead to the occurrence of tumors, especially leukemia, lymphoma and so on. 


Do air purifiers make a difference

However, it should be noted that it is not only the newly renovated house that has formaldehyde. In fact, formaldehyde will be produced continuously. If you don’t pay attention to opening windows for ventilation, and there is no air purifier at home, it will still cause harm to our health.  So buying an air purifier is nothing more than an extra layer of protection for our health. At this time, you might ask again. Many homes are now equipped with fresh air systems. Do you need to buy a house air purifier? The answer is yes.


Do Air Filters Really Make a Difference?

Of course they do! ! The fresh air system achieves the purpose of discharging most of the indoor formaldehyde to the outdoors through continuous ventilation. If the indoor formaldehyde content is large, as long as the fresh air system is out of operation, the indoor formaldehyde content will exceed the standard, and there may be some dead spots in the room that the fresh air system cannot blow, so formaldehyde cannot be completely removed.


The role of air purification is rough as follows: the removal of particulate matter, pm2.5, odor, hair, etc. Air purification is very effective, it can remove allergens, which is good news for friends with allergies. air purification HEPA high-efficiency filter, can remove 99.9% of viruses and bacteria, which is good news for friends with weak resistance. Air cleaning can assist in the removal of formaldehyde to a certain extent. If indoor formaldehyde and other pollutants exceed the standard, you can consider purchasing. Supplementary note, most air purifiers use the adsorption of activated carbon to remove formaldehyde, but due to the limited amount of activated carbon, it will be saturated. At this time, the filter needs to be replaced, otherwise, it will not be able to remove formaldehyde.


Will Air Purifier Help with Smell?

According to the U.S. Environmental Protection Agency (EPA), house air purifiers can make the air cleaner and fresher by removing indoor air pollutants, but they cannot eradicate odors, especially lingering ones.


A study published in the "Journal of Environmental Science" by researchers from Public Health England showed that the device could improve indoor air quality by 22% to 92%.


The results of research published in the International Journal of Environmental Research and Public Health by public health scientists at Hyogo Medical University in Japan show that the use of air purifiers slightly improves the indoor environment of ordinary households.


The U.S. Environmental Protection Agency's 2018 Consumer Guide to Home Air Cleaners recommends that an indoor air purifier should be supplemented with good ventilation to improve air quality and remove odors.


To sum up: Air purifiers can remove odors, but they cannot eradicate them. Similar air purifiers remove formaldehyde, which can be neutralized, but nothing but eradication. Regular filter replacement is an effective and consistent way to keep the air clean, so how often should you change the filter?


How Long Do Air Purifier Filters Last?

Now most of them will have a warning light. When the filter indicator is on, it means that you need to replace the filter. The situation in each area is different. The places with serious pollution need to be replaced frequently, and the areas with less pollution need not be changed frequently. Generally speaking, the filter should be replaced every six months to a year, and the places with poor environments need to be replaced every 3 to 4 months. replace. Then the life of the filter element can be judged by some techniques.


How Often to Change Air Purifier Filter?

In fact, the life of the filter element depends on two aspects: the quality of the ambient air used and the frequency of use of the air purifier. The ambient air quality in southern cities is better than that in northern cities, and the filter life is longer. For example, the service life of the filter element is about 6 months, and the city with severe haze needs to be replaced in about 3-4 months. 

how often to change air purifier filter

In addition, the living environment is close to the industrial area or the side of the road, so the dust in the ambient air is relatively large, and the service life of the filter element will be shortened. If the frequency of use of the purifier is maintained at a medium and high-grade wind speed for 24 hours, the filter element consumption will be faster than that used for 1-2 hours a day. Some users only turn on the air purifier when the smog is severe, and use it about 2-3 times a month. With such a frequency of use, the service life of the filter element is longer than 6 months.


If you want to know more tips about how to prperly use an air purifier, you can click to see more on our blog. 


Three Methods to Judge an Invalid Air Purifier Filter

The method of judging the need to replace the filter element of the purifier:

1. Use the air detector.

If the data of the air detector was normal before, it is suddenly found that the indoor air quality is much higher than before, and the qualified indoor air quality has not been reached. At this time, the filter element needs to be replaced. 


Many house air purifiers have an automatic detection function, but they only detect the air quality near the air purifier and do not represent the air quality in the whole room. It is recommended to use an air detector.


2.According the Indicator

The purifier system automatically determines that in the state of wifi mode, many machines are relatively intelligent, and can automatically calculate the filter life of the air purifier according to your cumulative use time and indoor operating environment. When the service life is 100% It can be replaced when it is less than 10.


3.Judging the Air Purifier Filter by Time

Judging according to time If the purifier is not intelligent, it can be judged according to time. Under normal pollution levels, the air purifier is allowed 24 hours a day at ordinary wind speed (third-speed wind speed), and the underlying HEPA network is about half a year to a year. Change it once, the multi-functional filter element in the middle layer can be replaced once a year to a year and a half, and the fine filter HEPA filter on the top layer can be replaced once.



House air purifiers are now a very important part of our life, it should be correctly used, above tips might help your air purifiers last for a longer serve life. And if you have more questions or you are looking for a good air purifier supplier you are welcome to consult with us.

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