A high efficiency particulate air filter (HEPA) is a crimping device that can remove particles from the surrounding air. These filters are used in a variety of devices such as air purifiers. Air purifiers are designed to remove large particles and contaminants from the air in your home.
There is no federal certification or regulation of HEPA filters in the United States, but the Environmental Protection Agency provides advice on choosing effective filters. Choose a HEPA filter and read the tips to find the best air purifier for your home.
Air purification technology
High efficiency particulate air (HEPA) filters are definitely the solution. These are the best known and most reliable air filtration techniques, capable of trapping particles up to 0.3 microns in 99.97% of cases. It is also highly recommended by allergists because of its effectiveness.
There are other techniques that can help clean the air. One of them is activated carbon. Known for its high adsorption capacity, activated carbon can effectively trap toxins such as VOCs, smoke and odors. Another recommendation is to choose a charcoal-based activated carbon filter. Charcoal granules are very porous and can trap gas inside a large inner surface.
Do you avoid air purifiers? We do not recommend air purifiers without filters. These include ozone generators and electrostatic precipitators, also known as "ion" purifiers. Electrostatic precipitators are not as effective as HEPA filter air purifiers, and both air purifiers are responsible for releasing ozone, a respiratory stimulant for allergic and asthmatic patients.
Does the air purifier really work?
Yes. Air purifiers use filters to trap particles such as dust, smoke, pet dander, and mold. The best air purifiers are so effective that they can remove up to 99% of pollutants and pollutants from indoor air. Abbreviation for "High Efficiency Particulate Air", it is necessary to find a HEPA filter that can remove contaminants in the air and particles of 0.3 micron or larger. Most of them have mechanical filters and are generally very effective. However, it is important to replace the filter or air purifier regularly for best results.
There are other types of air purifiers. For example, some create an ion field that absorbs positively charged ions and emits negatively charged ions that knock out of the air. This sounds great, but you're right because it can be very dangerous to a malicious person.
Pay attention to the space that the air purifier can support, regardless of the underlying technology. Many models specify an hourly air exchange for a room of a particular size. Alternatively, you may be referring to the Clean Air Delivery Rate (CADR), which measures the amount of clean air that an air purifier supplies per minute.
Levoit's Core 400S at https://www.topairpurifier.org/levoit-air-purifier-core-400s-review/ worked well in the test, removing 99.1% smoke particles in 30 minutes at high speed and 96.3% in 3rd speed at 4 speeds. This is the maximum speed at which it produces less than 50 decibels of noise. If you need a basic smart air purifier, this is an attractive option. In addition to having its own program, it connects with Amazon Alexa and the Google Assistant for voice control. But it's usually more expensive than our best option, Coway Mighty.