Can the popular science purifiers blow good air?

The necessity of a household air purifier

The indoor and outdoor PM2.5 concentrations are not much different. Even if the window is closed, the indoors are only 100 times slower than the outdoor. According to the current explosion weather, the outdoor air is also about 450. Toxic” level.
Moreover, in the room where the window is closed, the human body acts as the main purification device.
This is also the main reason why the indoor PM2.5 index can slowly decrease after closing the window.
Because they are all sucked into the body by you indoors!
The reliable air purifier can greatly reduce the indoor PM2.5 concentration and maintain it in a short time so that the indoor air is in a safe range for a long time.

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air purifier? Don’t buy it for indiscriminately!

A lot of things can be judged by logic, including buying an air purifier and hearing the details. (But I can’t talk about logic in anything. I have been telling the logic to be killed by my wife several times because of all the troubles.)

My first air purifier was bought in 2004. Of course, it must be a Panasonic. What do I mean by that? ——Air purifier is not a smog derivative, not a PM2.5 filter. In 2004, the Chinese did not know what PM2.5 was;
Air purifiers, as the name implies, are machines that purify indoor air, and indoor air pollution sources are far more than PM2.5.
Japan’s PM2.5 has an average annual value of 10, but we are familiar with Panasonic, Daikin, Toshiba, Mitsubishi, and Hitachi to produce air purifiers. One of the standards in Japanese hotels is the air purifier.
So, first of all, we should have a correct understanding of the air purifier.

However, after all, it is China, and China is a smashing China. The harm of PM2.5 does exist in the field. Therefore, there is nothing wrong with the purchase of air purifiers. Focus on PM2.5 only, because even in Beijing, the annual average PM2.5 concentration is around 80, and the air quality is up to 190 days. We can also play the role of air purifier in the absence of smog. The value of this money is spent!

So, how can we buy a cost-effective air purifier?

1, in the choice of brand, try to choose those familiar brands.
There is nothing special about the basic functions of air purifiers, so don’t trust the so-called “professional” brands that don’t know which country to pop up. What is a professional? At best, it’s a special one. It was Matsushita. Matsushita began producing air purifiers in 1962; at that time, the CEO doors of these “professional” brands were not yet born!

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[Air Purifier Science Series] Selection and Maintenance of Air Purifiers

Nowadays, the smog, decoration pollution of formaldehyde, bacteria and other hidden invisible killers around us are endangering the health of the family. As one of the most effective products for the current air environment, air purifiers have become the first choice for most families.

But in the face of a large number of products with different shapes and performances on the market, how should we choose? Please take a look at the small series below!

Shopping tips

1. Select the purchase channel

When purchasing an air purifier, it is recommended to purchase it in regular channels such as large shopping malls, electrical stores, brand stores, and mainstream e-commerce websites.

2. Purchase an air purifier according to your actual needs

At present, the air purifier brand, function, performance, design, and price are very different, dazzling. Consumers are advised to purchase products according to their actual needs, not as many features as possible. For example, for consumers who need to protect PM2.5, it is recommended to choose an air purifier with an outstanding PM2.5 purification capability.

However, in the case of an air purifier, the purifying function is the most important function. If your requirements for indoor air purifiers are based solely on improving indoor air quality, you can choose a type that simply purifies the air and is cost-effective.

As people’s needs for quality of life increase, the demand for air purifiers is no longer simply to purify indoor air. For example, those who work in a closed air-conditioned room, because the air conditioning dehumidification makes the air in the room very dry and the skin becomes dry, so when choosing an air purifier, you will choose a skin-friendly function. Humidifying air purifier.

People who have been in a lot of people for a long time and have high indoor pollution need to breathe fresh air without bacteria. When purchasing an air purifier, they will prefer a small air purifier suitable for desktop.

People who drive frequently should choose car air purifiers to purify various car odors and even ease driving fatigue.

3. Is there a scientific purification principle to achieve an efficient air purifier effect?

There are five internationally accepted principles of air purification, physical, electrostatic, chemical, ionic and composite. In general, physical purification is the most common and effective method. For example, dust, pollen, allergens, viruses, and other large particulate matter can be filtered by HEPA technology in physical purification mode; while harmful substances such as benzene, toluene, formaldehyde, and other odors can be adsorbed by activated carbon in physical purification mode. Purification.

The strength of the purifying capacity of the air purifier is mainly determined by the applicable area and the amount of clean air (CADR: the rate of clean air provided). The relationship between the two is applicable area = CADR × 0.12. The ability to purify other contaminants should be combined with the applicable area.

4. Are the energy efficiency ratio, energy efficiency rating and ozone emission reasonable?

Air purifiers are usually used continuously for a long time. The energy efficiency ratio is an important indicator for measuring the purifying capacity and power consumption of air purifiers. It is worthy of attention. The higher the energy efficiency ratio and energy efficiency rating, the more energy-efficient the air purifier is and the lower the cost of use.

Ozone as a strong oxidant has a certain purification ability, but it is harmful to the human body. The state has mandatory safety requirements for the amount of ozone released from air purifiers, limited to ≤ 5 × 10 – 6% (ozone has a fishy smell).

Source: “Indoor Air Purifier Purification Performance Evaluation Requirements”

Source: National Standardization Technical Committee for Household Appliances. Questions and Answers on Air Purifiers. China Standard Press. September 2015

Maintenance

Like the water purifier, the air purifier needs to be cleaned regularly, and some need to be replaced with filters and filters to maintain its purification effect. The maintenance and maintenance of the air purifier depend on different types of air purifiers.

The primary filter in the air purifier should be cleaned frequently. Generally, it should be cleaned once every half month. When using a vacuum cleaner or a clean brush, when there is more dust on the fan and electrode, it should be removed. Generally, it should be repaired once every six months. The long hair brush can be used to remove dust from each electrode and wind blade. When the air purifier is not in use, it should be cleaned and put into the box and stored in a ventilated and dry place. Attention should be paid to moisture protection to avoid the use of efficiency or damage due to moisture.

Cleaning

1. The front filter (usually the back cover of the chassis) takes a long time to collect some dust, which affects the air intake and affects the air purification effect. Therefore, it is necessary to use a vacuum cleaner to suck the dust away or use a rag to clean it, or even wash it to dry.

2. Filter net, part of the filter net needs to be taken to the sun at the end of the sun, and the purification efficiency can be better maintained, such as activated carbon filter.

3. Deodorizing filter, a deodorizing filter for a few air purifiers, to achieve the technical level of water washing, can be washed by water, that is, to maintain purification efficiency, and extend the cycle of the filter.

4. The ion generator is generally built-in and does not need to be cleaned. The better ionizer has higher working efficiency.

Second, maintenance

1. Rear panel (front filter)
No need to replace, clean once a month.

2.HEPA filter
Changed in 1 year.

3. Washable deodorizing filter
When changing for 1 year, when you feel that the smell is difficult to remove, you can clean the filter.

4. Humidifying filter
Change it in 2 years and clean the scale on the filter surface once a month.

5. In addition to formaldehyde filter
Changed in 1 year.

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Seven misunderstandings used by air purifiers!

Recently, many places in the country have encountered smog weather. On November 26, Zhang Ziyi sent Weibo to say that Beijing was heavily smoggy. Her daughter would not breathe when she wears a mask. She worried about her child’s health and immediately took the plane and left Beijing.
In this weather, parents will worry about their children’s health. They want to leave the cities with serious air pollution and work and live in the clean, fresh air. However, in real life, you can do it. How many people can there be?
Most people are not so chic, they can only “squat” to stay in the city of gray and continue to live. Since you can’t walk, how should everyone protect themselves? Especially how to protect children? There are many harmful substances in foggy days. Children with allergic asthma and allergic rhinitis should pay more attention to this kind of weather. When exposed to polluted air, the respiratory tract is stimulated, it is easy to aggravate respiratory symptoms, so we must make good precautions in advance: minimize the outing, reduce strenuous exercise, be sure to wear professional masks, clean the indoor air when going out, and protect indoors. Air quality; adults should take off their coats when they go home, wash their hands and then touch the children, try to avoid all behaviors that can directly harm the child’s health.
The smog has come again, what we can do is to prevent it and protect the breathing and health of ourselves and our family. Nowadays more and more people use air purifiers, but the air purifier products are slightly stranger to ordinary consumers. In daily use, we should pay attention to avoid the following seven misunderstandings –
Misunderstanding 1: Air purifier is placed against the wall
I believe that after many consumers purchase an air purifier, most users will place it against the wall. What you don’t know is that in order to achieve the desired whole house purification effect, the air purifier should be placed away from the wall or furniture, preferably in the center of the house or at least 1.5 to 2 meters away from the wall. Otherwise, the airflow generated by the purifier will be blocked, resulting in a smaller purification range and worse performance. In addition, placing against the wall will also absorb the dirt hidden in the corner, affecting the life of the purifier.
Misunderstanding 2: The distance between the purifier and the person is too close
When the purifier is working, there are more harmful gases around it. Therefore, do not place it too close to people. It should be properly raised to avoid contact with children. An electrostatic adsorption type purifier that allows airborne contaminants to adhere to the electrode plates during operation. However, if the design is not reasonable enough, a small amount of ozone will be released, and more than a certain amount will stimulate the respiratory system. When using this purifier, it is best not to stay in the room, and to close it after entering the house, because ozone can be quickly restored in space and will not remain for a long time.
Misunderstanding 3: Change the filter from time to time
Just like the mask is dirty, you have to change it. The filter of the air purifier should also be replaced in time. Even in the case of good air quality, the filter screen should be replaced more in a while, otherwise, the filter material will release harmful substances after being saturated, and instead become a “source of pollution”. Therefore, it is necessary to regularly maintain the product and replace the filter.
Misunderstanding 4: Put the humidifier next to the purifier
Many friends have both humidifiers and air purifiers in their homes. Many users use air purifiers and turn on the humidifier at the same time. In fact, it has been found that if the humidifier is placed next to the air purifier, the indicator light of the purifier will be alarmed, and the air quality index will rise rapidly. It seems that the two will interfere with each other. If the humidifier is not pure water, but tap water, since tap water contains more minerals and impurities, chlorine molecules and microorganisms in the water may be blown into the air with the mist sprayed from the humidifier to form a source of pollution. If the tap water has a high hardness, the water mist may have white powder, which may also pollute the indoor air. Therefore, it is recommended that you use pure water if you use a humidifier. If using tap water, it is recommended to keep enough distance with the air purifier.
Misunderstanding 5: Usually not used, smog genius open purifier
The prevalence of air purifiers is caused by persistent haze weather. However, we also mentioned above that for the cleaning of air, not only the smog is pollution, dust, odor, bacteria, chemical gases, etc. all have adverse effects on the human body, and the role of the air purifier is positive. It is the removal of these harmful pollutants. Especially for the newly renovated homes, the vulnerable people who are sensitive to air, such as the elderly, children and so on, the air purifier can still play a role.
Of course, if the weather is fine outside, it is recommended that everyone’s indoors be ventilated and maintain a certain humidity so that fresh air can flow indoors. Sometimes such indoor air quality is clearer than that of an air purifier that is open all year round.
Misunderstanding 6: Air purifier shows excellent time, no need
The power consumption of air purifiers is generally not high, and the power consumption of mainstream products generally does not exceed 70W, which is still very power-saving. When the air quality is poor, when using the purifier to see the display shows excellent air quality, please do not turn off the purifier immediately. It is recommended to turn it off again for 1~2 hours.
Misunderstanding 7: When opening the air purifier, do not close the door and window
For indoor pollution control, there are many factors influencing the source of pollution, and it is not only based on air purifiers. For example, in Beijing where smog is frequent, if there is continuous smog, first close the window, open the door as little as possible, and create a relatively closed space for the indoor battalion; secondly, adjust the indoor temperature and humidity conditions, and pass the humidifier and water in winter. The method will increase the relative humidity and prevent the room from dusting. It is more effective to use an air purifier under such circumstances. Otherwise, the source of pollution will continue to come through the window, even if the air purifier is always on, the effect will be greatly reduced.

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Air purifier for spring allergy

According to the American Academy of Allergic Asthma Immunology (AAAAI), seasonal allergic rhinitis or “pollen fever” affects more than 20% of Americans. Many trees, grasses, and weeds contain small, light pollen carried by the wind, and allergic symptoms occur again in spring.

Allergic patients find remission tips during allergic season

Make a thorough spring cleaning window, bookcase and air conditioning vent will collect winter dust and mold, which may lead to allergic symptoms.

Use a new air purifier filter. If you have been operating the air purifier, monitor the adhesion of the filter.

Bath and shampoo before bed – Pollen can be collected in your hair and skin.

Do not leave pets near furniture or outside the bedroom. Pollen will stick to dogs and cats when they go out.

Keep windows closed during peak season and use air conditioning to keep vents away from your face.

When mowing or gardening, wear a filter mask. Contact us for more products and discounted prices
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