read this before buying an air purifier - air purifier for smoke

by:Yovog     2019-12-30
read this before buying an air purifier  -  air purifier for smoke
The promise to keep the air purifier from a good home is an enticing promise: a device designed to clean your home air, removing all impurities including smells, smoke, dust, and pet dandruff
Considering that some pollutants in indoor air may be five times higher than outdoor air, we understand.
But in fact, not all air purifiers do not meet the requirements of the market.
Air purifiers are usually made up of one filter or more filters and a fan that sucks in and cycles air.
When the air passes through the filter, contaminants and particles are captured and clean air is pushed back into the living space.
Filters are usually made of paper, fiber (
Or grid, and need to be replaced regularly to maintain efficiency.
This means that in addition to the purchase price of the air purifier, you should also consider the operating cost and the filter replacement cost.
Operating costs can easily reach $50 per year, as you should keep running air purifiers around to get the benefits.
Overall, the filter replacement can be as high as $100 per year.
Depending on the type and usage of the purifier, the frequency of your filter replacement will vary.
Some filters are reusable and washable, but they need careful maintenance, so you don't usually find them on the most efficient air purifiers.
Reusable filters are often better at removing larger particles, such as mites and pollen, from the air.
You will also find UV (
Filters on the market generally claim to destroy biological impurities such as mold or bacteria, but many filters require higher wattage and greater exposure to be effective (
Not to mention that some bacteria are ultraviolet rays. resistant).
Other air purifiers use ion generators to attract particles such as static electricity
Negative ions combine with dust and allergens to precipitate them in the air.
If you are interested in buying an air purifier that uses an ion generator, make sure it does not produce ozone, a gas that consists of three oxygen atoms and is generally considered by the market to help break down contaminants, because ozone can stimulate the lungs, further aggravate the condition of asthma.
Typically, air purifiers with ozone are listed in the packaging or marketing description.
Most filters on the market are designed to capture particles such as dust and pollen, but do not capture gases such as VOCs (
Volatile organic compoundsor radon.
This requires an absorbent like activated carbon.
In fact, the Environmental Protection Agency (EPA)
Warning that air purifiers have limited functionality in filtering gas, in order to get the best, you have to change the filter frequently, usually about every three months.
Therefore, although many air purifiers are good at filtering pollutant particles from the air (
Dust, smoke, pollen, etc. )
They are not necessarily very good at removing gas contaminants such as volatile organic matter or radon in the air that may accumulate from adhesives, paints, or cleaning products.
Allergies embedded in furniture or floors will not be captured by them either.
In addition, the effectiveness of air purifiers in reality
The situation in the world may not mimic the situation of controlled conditions in the laboratory (
What are those "99% valid" statements referring! ).
The location, installation, flow rate and running time will all be different and the conditions in the space will be different.
In addition, there are other things that may affect the ventilation effect in your home (
Open or close the window)
New particles are constantly appearing, so the air may not be filtered as you think.
If you are worried about mold, we recommend that you buy a dehumidifier or humidifier to help you maintain a proper moisture level at home and avoid mold growth problems.
The air purifier does not prevent mold growth, so it is necessary to eliminate the source of moisture that allows mold growth.
Before that, you should know that the air purifier is not a treatment. all.
There is very little medical evidence to support air purifiers to help directly improve your health or relieve symptoms of allergies and respiratory systems.
This is partly due to the difficulty of distinguishing between the effects of known air --
From other environmental and genetic factors, quality contaminants in your home. (
For example, how does the furniture and ventilation in your home affect you in addition to any indoor contaminants? )
But if you are an allergic or asthma patient, an air purifier with a HEPA filter may help you as it helps to remove subtle air particles.
HEPA is the first letter of high-efficiency particulate air.
HEPA filters capture particles of different sizes in multiple ranges
A layered mesh usually made of very fine fiberglass lines (
Much thinner than the size of the human hair! )
The gap is different.
The filter is airtight and consists of tight, small fiber sheets that fold and seal in a metal or plastic frame.
The fan of the air purifier sucks the air into the filter, where the particles are captured.
Large particles (
Larger than fiber)
Can be by collision (
Particles hit the fiber), mid-
Capture the size of particles by intercepting (
Particles touch the fibers and are captured), and ultra-
Capture fine particles by diffusion (while zig-
The particles will eventually hit and stick to the fiber).
The best advice is to solve the source of indoor air pollution and ventilate the home.
If you would like to supplement the work of your air purifier, or to see if you can pass without an air purifier, we recommend that you try the following steps to help reduce indoor air irritation:
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