Do HEPA air purifiers work?

There are plenty of filters out there that aren’t HEPA filters per se, you should pay attention when buying. Having said that, keep in mind that True HEPA filters actually come in two types:

  • A very dense paper filter that is degradable (you need to replace it from time to time)
  • The mesh HEPA that is washable (and permanent)

If you’re getting a high end air purifier that is going to cover a large space, chances are it’s going to feature a degradable True HEPA filter and you’re going to have to replace it every few months.

A lower budget air purifier may come with a permanent HEPA filter, but you may clean it as often as necessary.

A True HEPA air purifier is going to trap most of the airborne contaminants, making it as the best choice for anyone struggling with asthma or allergies. It’s great for trapping allergens as mold, pet dander, dust, and pollen. In addition, the particles are trapped inside the filter so it’s impossible for them to get back into the air space. This type of filter is going to maintain the air fresh and clean and it’s considered to be the best home air purifier, no matter the application.

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