Filtrete room air purifier: Each room in your house is used in different ways. They each have different pollutants that require different methods of purifying the air. Which air purifier is the best one for a given room?
First, you need to know which air purifier technologies are effective in removing specific pollutants. Then you can match each room in your house to the right air purifier. Which air purifier is the best option for the kitchen? Is there an air purifier that is perfect for your bedroom? What should you consider when choosing an air purifier for room? You can find answers to those questions by understanding how different air purifiers work.
This does not mean you need to buy a separate air purifier for each room. Most modern air purifiers are easy to move from room to room, so you may be able to move them around as you need them, making sure to use the best one for each room.
Room factors to consider in air purification
There are several factors to consider when choosing the best air purifier for a room.
- Size of the room – A larger room is going to require an air purifier capable of cleaning a larger volume of air. Unfortunately, there is not a reliable measurement to determine what is best. The industry standard, CADR (Clean Air Delivery Rate) measurement, has limitations. It is designed to measure the amount of clean air that passes through an air purifier, but is biased towards units with large fans and high speeds. It indicates a general concentration decrease of some specific particles, but the reading does not necessarily measure how effective it is at removing the common types of pollutants. A big, powerful fan does not necessarily make an air purifier more effective. That said, if you want to clean the air in a large room, an air purifier with a very low CADR rating will probably not get the job done.
- Room usage – How you use a room can have an impact on your choice of air purifier. A room where you prefer to watch movies or quietly read may be a bad place for a loud air purifier. Conversely, you may appreciate the white noise in a room where you mostly sleep. A room where you do a lot of cooking or eating meals with strong odors may need a different air purifier than one where you do crafts and hobbies.
- Ventilation – A room that has good ventilation, like a kitchen vent fan or large windows with a good cross-breeze, may change the air purifier requirements, since it provides the option to open the windows or turn on the fan to get rid of smells or other pollutants, while other rooms do not have this option and would have a special need for an air purifier.
- Types of pollutants – Think about the most common type of pollutant in the room. Common household pollutants can be sorted into a few main categories: particulate matter, bioaerosols (such as mold or bacteria) and VOCs (volatile organic compounds). While there are other types of pollutants, these categories are useful for making general decisions about which air purifier to use in a room.
Types of Air Purifiers
Different air purifier technologies deal with different types of pollutants better than others.
- Ionizing/ozone generators – Ionizing air purifiers are designed to remove particles by attaching an electrical charge to pollutants in the air. . However, as a side effect, they produce ozone, which is itself an irritant. According to the EPA, ozone can aggravate asthma, impede lung development and cause other respiratory problems. The EPA does not recommend using them. Ozone generators simply create ozone. This can react with some VOCs and remove them from the air, but they still are not a good idea to use on a regular basis because the ozone itself is a pollutant.
- HEPA filters – A HEPA filter is designed according to a government specification requiring it to remove 99.97 percent of all particles that are 0.3 microns in diameter. They are designed to remove particles from the air such as dust, pet dander, some elements of tobacco smoke and wood smoke. HEPA filters trap particles on a filter surface and do not remove gases like VOCs in the air.
- Carbon/charcoal filters – These filters use a type of activated carbon to remove VOCs from the air. They are not effective at removing particulate pollutants, and they must be changed frequently to be effective.
- Hybrid – Hybrid air purifiers combine different technologies into a single unit. These may be effective at handling multiple types of pollutants, but sometimes have other drawbacks, such as frequent filter replacement or poor air flow.
- PECO – PECO technology uses filters that have been coated with pollution-destroying nanotechnology that chemically changes pollutants into safe gases like carbon dioxide and water. The filter removes substances from the air and VOCs, ozone, or floating biological particles such as bacteria, viruses, and mold spores are safely rendered inert and dissolved into their component parts.
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