What is a HEPA filter?
If you suffer from asthma and or allergic to pollen and dandruff, or dust HEPA Filter for Your Home would be a great investment. It is an acronym for High-Efficiency Particulate Air, which can be expressed as highly efficient particle containment. This technology is not new, it appeared in the 40s of the last century in the United States. In addition, it was used to trap radioactive particles in the nuclear industry.
The base is a long sheet of fibrous material, which is folded like an accordion and placed in the body, holding it in a complex form. The fibrous material itself consists of a randomly located finest fiber with a thickness of 0.65-6.5 microns (μm). The distance between the fibers is 10-40 microns.
The HEPA filter is capable of capturing particles as small as 0.1 microns. The actual efficiency depends on the class. For example, HEPA 13 class – retains up to 99.95% of particles with a size of about 0.1 microns. Furthermore, HEPA 14 – up to 99.995% of particles with a size of about 0.1 microns.
Who needs Hepa Filter?
HEPA filters have been proven effective in cleanrooms, laboratories and hospitals for years.
Therefore, in people with asthma and who are allergic to pollen and dandruff, as well as those who suffer from frequent respiratory diseases and have symptoms such as sneezing, watery eyes, sore throat, and shortness of breath, the HEPA filter can relieve the symptoms of allergies. Fortunately, the airborne particles that cause allergy symptoms are relatively large and easily captured by the HEPA filter. According to EPA guidelines for home air purifiers, using HEPA air filters in portable air purifiers and heating, ventilation, and air conditioning systems can reduce allergy and asthma symptoms.
HEPA filters are capable of capturing 0.1 -micron particles.
HEPA filters handle household dust easily. But are they able to filter the air from the pollen of birch, alder, and grasses?
Birch pollen from 22 to 29 microns.
Alder pollen from 18 to 28 microns.
Hazel pollen from 20 to 24 microns.
Poplar pollen from 21 to 40 microns.
Oak pollen from 25 to 29 microns.
Grain pollen (fescue, bluegrass, rye, etc.) from 20 to 35 microns.
Wormwood pollen from 17 to 28 microns.
Whether the filter class is H11, H12, H13 or H14, HEPA easily filters out any pollen.
Then they will effectively remove all fine dust and allergens from the air. HEPA filters provide a very high degree of purification and are safe for health.
Can HEPA Stops COVID-19
HEPA filtered air purifiers effectively trap particles the size (and much smaller) of the virus that causes COVID-19, so the answer is yes.
Back to the purifiers, the virus that causes COVID-19 is roughly 0.125 microns (125 nanometers) in diameter. It is within the particle size range that HEPA filters capture with extraordinary efficiency: 0.1 microns (100 nanometers) and above. Many media outlets mistakenly claim that HEPA filters do not filter below 0.3 microns and therefore cannot capture airborne coronaviruses. This is not true. HEPA filters are actually most effective – almost 100% at 0.1 microns – at capturing ultra-fine particles less than 0.3 microns.
However, have to keep in mind that HEPA air purifiers are not a silver bullet. They can filter viruses from the air in homes, offices, and schools, but other measures such as good hygiene and disinfectants should still be used with HEPA air purifiers.
Can a HEPA filter be used for the Furnace?
The High-Efficiency Particulate Air (HEPA) filter is the industry’s best air filtration and removes over 99,95% of particles 0.1 microns and larger in size. However, due to the dense filter material used in HEPA air filters, the air pressure required to push through the filter is too high for the furnace or air conditioner fan to handle. A HEPA filter installed in your furnace will restrict airflow. So you might find that no air comes out will from your vents you will use with the regular furnace. However, traditional air filters in the higher range of MERV ratings (12-13) approach HEPA filtration levels with the exception of virus removal.
If you need or want to completely remove the pollutants that HEPA filtration offers, we recommend installing in a separate air filter that uses HEPA filtration. This will ensure efficient functioning of the oven and guarantee the air quality in your home.
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