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choosing an air purifier: purchase guide many people suffer from respiratory problems
by：Yovog
2023-06-08
The tight seals that make your home comfortable and energy-efficient also make the indoor air more polluted.
The air in your home is five to ten times more dirty than the outside air, and Americans spend 90% of their time indoors.
For the sake of health, the quality of the air purifier has never been as important as it is now.
Buying the right air purifier can be confusing and frustrating.
Some air purifiers on the market today actually pollute the air with harmful ozone, a powerful lung irritation that is particularly dangerous for asthma patients.
Learn about air purifiers and find safe and effective devices that suit your needs through this air purifiers purchase Guide.
Common household air contaminants: different air purifiers are for different contaminants, so it is important to determine the contaminants you want to remove from your home before purchasing the air purifiers.
Particles in the air include pet allergens, mites allergens, pollen, plant spores, fungi, mold and tobacco smoke, which are the most common causes of indoor allergies and asthma attacks.
HEPA air purifier is the best way to eliminate allergens in the air.
Household Odors and gases include gas contaminants such as cooking scents, cat litter, tobacco smoke, various toxins, and indoor pesticides or aerosol.
The activated carbon filter is an ideal choice for the gas and smell that the adsorption is too small to be captured by the HEPA filter.
\"Adsorption\" is not a typo;
When the material is attached by chemical reaction, \"adsorption\" occurs \".
Volatile organic compounds (VOCs)
Found in a variety of common household products: paint, varnish, cleaning supplies, disinfectants, glue and adhesives, and even new carpets and building supplies.
Look for components such as benzene, chlorine, formaldehyde, ethylene and toluene.
VOCs can cause symptoms such as irritation to the eyes, nose and throat, headaches, nausea, and even severe chronic health conditions such as impaired nervous system.
The presence of VOCs can also aggravate asthma.
Microorganisms include antigens, pathogens, bacteria, and viruses.
They are everyday bacteria that make us sick.
Mold is also considered a microbial.
Air purifier filter type: different air purifier filters are for different types of air pollution.
HEPA air purifiers are the most popular and they are perfect for eliminating household allergens such as dust, animal dandruff and pollen, but they are not very good at capturing the super
Particles like viruses or eliminating odor or chemical smoke.
Since different air purifier technologies have different advantages and disadvantages, many modern air purifiers combine two or more filter types in the same unit.
For example, Austin Air super hybrid Health Companion uses HEPA filters and activated carbon filters to help eliminate odors and smoke.
Let\'s take a closer look at the different types of filters: HEPA (
High Efficiency Particulate Air)
The filter sets the standard for air purification.
By definition, at least 99 HEPA filters can be removed.
All the particles of 97% are as small as 0. 3 microns.
The HEPA air purifier was originally developed by the Atomic Energy Commission to capture radioactive dust particles.
HEPA filters only allow very small particles to pass through them.
Allergens such as pollen, animal dandruff, mold spores and dust are trapped in the filter.
The main drawback of the HEPA air purifier is that you have to replace the filter regularly.
Main advantages: if it is HEPA certified then you know it works well.
Not all HEPA filters are equal.
Size problem: the more square feet the HEPA filter has, the more particles it can remove.
The size, material and structure of the actual filter media all play a role in the performance of the air purifier and may explain why one HEPA filter is more expensive than the other.
Charged particles are generated by ion generators and ozone generators (ions)
Then send them into the surrounding air.
These ions bind to impurities (like dust)
In the air, the impurities are forced to attach to a nearby surface.
Therefore, since the ion generator cannot eliminate impurities, it often creates Dirty points on nearby walls and floors;
The ion generator only forces impurities to attach to the surface (
Just like static electricity can make socks stick to the shirt).
Ion generators are the second most popular air purifiers, but they all release ozone, a strong lung stimulating substance that is particularly dangerous for people with asthma and other chronic lung diseases, and the old man.
The electrostatic dust collector works the same as the ion generator and the ozone generator, but the electrostatic dust collector captures impurities rather than simply forcing impurities to attach to the outer surface.
Electrostatic dust collectors, such as the fririch C90B electrostatic air purifier, use an electronic battery to charge the particles inside the purifier and immediately capture impurities on the collector board.
The main advantage of this air purifier is that the collector board does not have to be replaced;
They can be cleaned in the dishwasher easily.
Please note that some electric dust collectors also produce ozone.
The charged media filters work the same way as the electrostatic dust collectors, but they collect particles on the fiber filter, not on the flat plate.
The advantage of these filters is the ability to collect very small particles, sometimes as small as 0.
1 micron, through the combination of filter and electrostatic charge.
The downside is that, like an electric dust collector filter, live media filters quickly lose efficiency, and they may require more frequent filter replacements than HEPA air purifiers.
These types of devices can produce ozone, but better devices on the market do not produce ozone.
If you are planning to purchase this air purifier, make sure it does not produce ozone.
The best air purifier in this category is Blueair air purifier.
Activated carbon filters are rarely used individually to purify the air, but are usually used with other filters.
Activated Carbon and charcoal filters perform well in the adsorption of odor and gas as well as in the neutralization of smoke, chemicals and smoke.
\"Adsorption\" is not a typo;
When the material is attached by chemical attraction, \"adsorption\" occurs \".
Activated carbon treated with oxygen opens millions of pores in carbon.
These tiny pores are very large, and the surface area of a pound of activated carbon is 60 to 150 acres.
This huge surface area makes it ideal to absorb gas and smell.
These chemicals and gases are too small to be captured by the HEPA filter, but they are combined with the huge surface area in the activated carbon.
The larger the carbon filter, the more chemicals it can absorb, and the longer it continues to work.
When it is full, it can no longer be adsorbed and must be replaced.
The dipping carbon filter contains additional chemicals (
\"Chemical adsorption \")
To eliminate certain chemicals such as VOCs.
The antibacterial sterilization filter can remove bacteria.
For example, the IQAir Clean Room h13hepa air purifier uses a pharmaceutical-treated HEPA filter to kill microorganisms in the air.
Other air purifiers, such as AllerAir 4000 exec uv air purifiers, use UV lamps to kill bacteria.
When the antigen and pathogen pass through the lamp, it emits ultraviolet rays, changes their DNA, and makes them sterile and harmless.
Air purifiers with UV filters are usually used in sterile environments such as hospitals, kitchens, daycare centers and laboratories.
In residential use, they are very useful for controlling molds.
If you are a person who is often sick, an air purifier with a sterilization filter may be exactly what you need to give extra boost to the immune system. Pre-
Before one filter, the filter removes large particles, which are available in almost all air purifiers.
Other factors to consider before purchasing an air purifier: area coverage-
Make sure the air purifier lists the square feet about the same or slightly larger than the square feet of the room you intend to use it.
Air changes per hour (ACH)-
This number, also known as the ACH rating, tells us how often the air purifier exchanges all air in a given room.
For example, if the purifier has an ACH rating of 6 for a 20\' x 20\' Room, then it is able to swap all the air in that room 6 times an hour.
If you have allergies or asthma, you want the ACH rating to be at least level 4, preferably level 6 or 8.
Clean Air Delivery Rate (CADR)-
CADR calculated by AHAM (
Association of Home Appliance Manufacturers)
Not only tell us how much air we purify, but also how much air we purify.
Air purifiers tested by AHAM should have a seal certified by AHAM and a CADR number for three contaminants: tobacco smoke, pollen and dust.
The higher the CADR class, the more effective the air purifier is for this pollutant.
The CADR rating is fairly calculated and recognized by the Environmental Protection Agency and the American Lung Association. Price -
The price of the air purifier ranges from a small space air purifier of $100 to a large room air purifier of $1,000.
Filter replacement-
If you are purchasing a HEPA filter, don\'t forget to check the cost of replacing the filter.
If your device includes HEPA filters and carbon filters or other combined filter media, they may need to be replaced separately and can last for different times.
It can be a hassle, especially if they are hard to get in. Noise Level -
Some air purifiers, such as Blueair units, are very quiet while others are very loud when working at high power.
If possible, please demonstrate first before purchasing the air purifier. Energy Usage -
Like all appliances, different air purifiers operate with different energies.
Unlike most appliances, the air purifier is running continuously, so you will consider your utility bill before purchasing the air purifier.
If only volts and amps are listed, simply multiply the two: it can be inconvenient if you plan to use less air purifiers, or if the air in your home is cleaner than the average.
There are many air purifier suppliers online.
You can find the best supplier of air purifiers online.
The air in your home is five to ten times more dirty than the outside air, and Americans spend 90% of their time indoors.
For the sake of health, the quality of the air purifier has never been as important as it is now.
Buying the right air purifier can be confusing and frustrating.
Some air purifiers on the market today actually pollute the air with harmful ozone, a powerful lung irritation that is particularly dangerous for asthma patients.
Learn about air purifiers and find safe and effective devices that suit your needs through this air purifiers purchase Guide.
Common household air contaminants: different air purifiers are for different contaminants, so it is important to determine the contaminants you want to remove from your home before purchasing the air purifiers.
Particles in the air include pet allergens, mites allergens, pollen, plant spores, fungi, mold and tobacco smoke, which are the most common causes of indoor allergies and asthma attacks.
HEPA air purifier is the best way to eliminate allergens in the air.
Household Odors and gases include gas contaminants such as cooking scents, cat litter, tobacco smoke, various toxins, and indoor pesticides or aerosol.
The activated carbon filter is an ideal choice for the gas and smell that the adsorption is too small to be captured by the HEPA filter.
\"Adsorption\" is not a typo;
When the material is attached by chemical reaction, \"adsorption\" occurs \".
Volatile organic compounds (VOCs)
Found in a variety of common household products: paint, varnish, cleaning supplies, disinfectants, glue and adhesives, and even new carpets and building supplies.
Look for components such as benzene, chlorine, formaldehyde, ethylene and toluene.
VOCs can cause symptoms such as irritation to the eyes, nose and throat, headaches, nausea, and even severe chronic health conditions such as impaired nervous system.
The presence of VOCs can also aggravate asthma.
Microorganisms include antigens, pathogens, bacteria, and viruses.
They are everyday bacteria that make us sick.
Mold is also considered a microbial.
Air purifier filter type: different air purifier filters are for different types of air pollution.
HEPA air purifiers are the most popular and they are perfect for eliminating household allergens such as dust, animal dandruff and pollen, but they are not very good at capturing the super
Particles like viruses or eliminating odor or chemical smoke.
Since different air purifier technologies have different advantages and disadvantages, many modern air purifiers combine two or more filter types in the same unit.
For example, Austin Air super hybrid Health Companion uses HEPA filters and activated carbon filters to help eliminate odors and smoke.
Let\'s take a closer look at the different types of filters: HEPA (
High Efficiency Particulate Air)
The filter sets the standard for air purification.
By definition, at least 99 HEPA filters can be removed.
All the particles of 97% are as small as 0. 3 microns.
The HEPA air purifier was originally developed by the Atomic Energy Commission to capture radioactive dust particles.
HEPA filters only allow very small particles to pass through them.
Allergens such as pollen, animal dandruff, mold spores and dust are trapped in the filter.
The main drawback of the HEPA air purifier is that you have to replace the filter regularly.
Main advantages: if it is HEPA certified then you know it works well.
Not all HEPA filters are equal.
Size problem: the more square feet the HEPA filter has, the more particles it can remove.
The size, material and structure of the actual filter media all play a role in the performance of the air purifier and may explain why one HEPA filter is more expensive than the other.
Charged particles are generated by ion generators and ozone generators (ions)
Then send them into the surrounding air.
These ions bind to impurities (like dust)
In the air, the impurities are forced to attach to a nearby surface.
Therefore, since the ion generator cannot eliminate impurities, it often creates Dirty points on nearby walls and floors;
The ion generator only forces impurities to attach to the surface (
Just like static electricity can make socks stick to the shirt).
Ion generators are the second most popular air purifiers, but they all release ozone, a strong lung stimulating substance that is particularly dangerous for people with asthma and other chronic lung diseases, and the old man.
The electrostatic dust collector works the same as the ion generator and the ozone generator, but the electrostatic dust collector captures impurities rather than simply forcing impurities to attach to the outer surface.
Electrostatic dust collectors, such as the fririch C90B electrostatic air purifier, use an electronic battery to charge the particles inside the purifier and immediately capture impurities on the collector board.
The main advantage of this air purifier is that the collector board does not have to be replaced;
They can be cleaned in the dishwasher easily.
Please note that some electric dust collectors also produce ozone.
The charged media filters work the same way as the electrostatic dust collectors, but they collect particles on the fiber filter, not on the flat plate.
The advantage of these filters is the ability to collect very small particles, sometimes as small as 0.
1 micron, through the combination of filter and electrostatic charge.
The downside is that, like an electric dust collector filter, live media filters quickly lose efficiency, and they may require more frequent filter replacements than HEPA air purifiers.
These types of devices can produce ozone, but better devices on the market do not produce ozone.
If you are planning to purchase this air purifier, make sure it does not produce ozone.
The best air purifier in this category is Blueair air purifier.
Activated carbon filters are rarely used individually to purify the air, but are usually used with other filters.
Activated Carbon and charcoal filters perform well in the adsorption of odor and gas as well as in the neutralization of smoke, chemicals and smoke.
\"Adsorption\" is not a typo;
When the material is attached by chemical attraction, \"adsorption\" occurs \".
Activated carbon treated with oxygen opens millions of pores in carbon.
These tiny pores are very large, and the surface area of a pound of activated carbon is 60 to 150 acres.
This huge surface area makes it ideal to absorb gas and smell.
These chemicals and gases are too small to be captured by the HEPA filter, but they are combined with the huge surface area in the activated carbon.
The larger the carbon filter, the more chemicals it can absorb, and the longer it continues to work.
When it is full, it can no longer be adsorbed and must be replaced.
The dipping carbon filter contains additional chemicals (
\"Chemical adsorption \")
To eliminate certain chemicals such as VOCs.
The antibacterial sterilization filter can remove bacteria.
For example, the IQAir Clean Room h13hepa air purifier uses a pharmaceutical-treated HEPA filter to kill microorganisms in the air.
Other air purifiers, such as AllerAir 4000 exec uv air purifiers, use UV lamps to kill bacteria.
When the antigen and pathogen pass through the lamp, it emits ultraviolet rays, changes their DNA, and makes them sterile and harmless.
Air purifiers with UV filters are usually used in sterile environments such as hospitals, kitchens, daycare centers and laboratories.
In residential use, they are very useful for controlling molds.
If you are a person who is often sick, an air purifier with a sterilization filter may be exactly what you need to give extra boost to the immune system. Pre-
Before one filter, the filter removes large particles, which are available in almost all air purifiers.
Other factors to consider before purchasing an air purifier: area coverage-
Make sure the air purifier lists the square feet about the same or slightly larger than the square feet of the room you intend to use it.
Air changes per hour (ACH)-
This number, also known as the ACH rating, tells us how often the air purifier exchanges all air in a given room.
For example, if the purifier has an ACH rating of 6 for a 20\' x 20\' Room, then it is able to swap all the air in that room 6 times an hour.
If you have allergies or asthma, you want the ACH rating to be at least level 4, preferably level 6 or 8.
Clean Air Delivery Rate (CADR)-
CADR calculated by AHAM (
Association of Home Appliance Manufacturers)
Not only tell us how much air we purify, but also how much air we purify.
Air purifiers tested by AHAM should have a seal certified by AHAM and a CADR number for three contaminants: tobacco smoke, pollen and dust.
The higher the CADR class, the more effective the air purifier is for this pollutant.
The CADR rating is fairly calculated and recognized by the Environmental Protection Agency and the American Lung Association. Price -
The price of the air purifier ranges from a small space air purifier of $100 to a large room air purifier of $1,000.
Filter replacement-
If you are purchasing a HEPA filter, don\'t forget to check the cost of replacing the filter.
If your device includes HEPA filters and carbon filters or other combined filter media, they may need to be replaced separately and can last for different times.
It can be a hassle, especially if they are hard to get in. Noise Level -
Some air purifiers, such as Blueair units, are very quiet while others are very loud when working at high power.
If possible, please demonstrate first before purchasing the air purifier. Energy Usage -
Like all appliances, different air purifiers operate with different energies.
Unlike most appliances, the air purifier is running continuously, so you will consider your utility bill before purchasing the air purifier.
If only volts and amps are listed, simply multiply the two: it can be inconvenient if you plan to use less air purifiers, or if the air in your home is cleaner than the average.
There are many air purifier suppliers online.
You can find the best supplier of air purifiers online.
