Before jumping into conclusions on “Does Air-Purifier Prevents Coronavirus?” we should first understand what Coronavirus (Covid-19) is and how it affects people.

World Health Organization (WHO) states that coronaviruses (CoV) or also known as Covid 19 are a large family of viruses that cause illness ranging from the common cold to some more severe diseases. A novel coronavirus (nCoV) is a new strain that that was not present earlier in humans. With rising threats of the virus, people are ready to take all measures to protect themselves.

Standard recommendations to prevent infection spread includes :

  • Hand Washing
  • Covering mouth and nose while coughing and sneezing
  • Thoroughly cooking meat and eggs
  • Avoid close contact with people
  • Wear a mask in virus prone areas
  • Regular use od sanitizer

Let’s start the topic of which this article is really about “Does Air-Purifier Prevents Coronavirus?”.
COVID 19 transfers from person to person and is airborne, therefore, you might think that air purifiers could reduce exposure. Unfortunately, it’s not that simple.

To Know more about Air purifiers
and their varieties visit here.

Does Air-Purifier Prevents Coronavirus?

air purifier

Hard truth: No it doesn’t.

HEPA filters in air purifiers improve the overall air quality of your home. But they can’t capture and destroy something this small. Even if the air purifier catches the virus then it’s most likely that the virus will survive for some time.
A PECO filter might be helpful in this case Dr. Sorrell stated that “a PECO filter could remove a virus from the air given its size,” but she goes on to add that “it’s not likely this will make a large impact, considering [coronavirus] lives on surfaces for an extended period of time.”

The Science of Air Purifiers and Viruses

The air in an air purifier enters through the fan and then passes through a filter before expelling out from the other side. They are good at removing and capturing odor and large particulates from the air. But, there is a limit to what an air purifier can capture and what it cannot.

Even the most powerful air purifiers can only capture particles as small as 0.1 microns or larger, and the vast majority of air purifiers will only capture particles 0.3 microns or larger.

Some examples which a HEPA filter can catch are mold, pollen, and dander. That slight margin of error is why air purifiers claim an effective rate of 99%.

coronavirus

The size of a virus is approximately one-hundredth of a bacteria and usually ranges between 0.001 to 0.4 microns in size. This fact clearly shows that filters of even the most powerful air-purifier would struggle to capture a virus.
According to Dr. Mariea Snell, Assistant Director of the Online Doctor of Nursing Program at Maryville University, the size of COVID-19 is approximately 0.125 microns.

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PECO Vs HEPA Air Purifier Filters

There are two essential sorts of air channels: HEPA and PECO. HEPA is an abbreviation for “High, Efficiency, Particulate, Air.” On the other hand, PECO means “Photograph Electrochemical Oxidation.”

HEPA channels are made out of a kind of texture that capacities like a net. Air is gone through the texture by a fan. Particulates are gotten by this texture, while the now-spotless air is permitted to exit out the opposite side. After some time, the particles will amass on the texture until it loses proficiency. That is the reason channels must be supplanted.

PECO channels work in a comparable, however increasingly complex way. Initially, air goes through a kind of “pre-channel” that is bound with carbon. Next, it travels through a bigger channel that catches and ties atoms to particles and afterward wrecks them.

Which is better? We asked Patrick Van Deventer, item chief for Trane Indoor Air Quality items. “As per the EPA, HEPA channels are very little more powerful than medium proficiency air channels with a MERV rating somewhere in the range of 7 and 13,” said Deventer. “They are likewise exceptionally prohibitive and along these lines have a constrained air conveyance, so they are commonly utilized in littler machines, for example, convenient air cleaners and not in focal ducted HVAC framework.” For reference, a MERV rating alludes to the Minimum Efficiency Reporting Value, a scale that estimates how amazing your air channel is.

Conclusion

A last note. We’ve examined customer grade air purifiers here, yet mechanical air purifiers prepared to do totally cleaning the air do exist. Nonetheless, these machines are enormous and routinely cost more than $1,500 (once in a while, considerably more).

In any case, even the best air purifier doesn’t take care of the central issue; like most infections, the coronavirus is spread by individual-to-individual contact and contact with defiled surfaces. Air purifiers are fit for separating the air in a room after some time, yet infections will in general travel short separations between individuals or land and wait on surfaces. An air purifier, regardless of whether prepared to murder an infection, will regularly neglect to contract an infection before it comes into contact with an individual or surface.

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