Can A HEPA Air Purifier Protect You From COVID 19?

Can HEPA Air Purifiers Protect You from COVID-19?

The answer is YES.

When it comes to capturing fine particles, air purifiers with HEPA filtration efficiently capture particles the size of (and far smaller than) the virus that causes COVID-19.

These filters can capture particles as small as 0.3 microns, which is the size of many viruses and bacteria. HEPA air purifiers are also able to remove airborne particles containing the COVID-19 virus from the air, making it difficult for them to reach your body.

They also help reduce the concentrations of other pollutants in indoor air that can weaken your immune system and make you more vulnerable to infections like COVID-19.

In addition, some air purifiers use a combination of technologies such as ultraviolet (UV) light or ionization to further reduce airborne pathogens like viruses and bacteria. In fact, research conducted by the NCBI has shown that using HEPA air purifiers with UV light or ionization can be even more effective at reducing germs than using a filter alone.


Despite the capable features of the HEPA air purifier, it is important to remember that by itself, a HEPA air purifier is not enough to protect people from COVID-19.

When used along with other best practices recommended by the Center for Disease Control and Prevention, using an air purifier becomes twice as effectivein protecting you and your loved ones from COVID 19. 

So if you want to safeguard yourself from potent particles that could affect your lungs, invest in a HEPA air purifier today.

What should I look for when buying a HEPA air purifier?

Think about the size of the area you want to cover. Air purifiers are most effective in smaller rooms with all the doors shut. So, spaces with an open floor plan are going to be more difficult to manage.

You also might have to upsize a little if you have very high ceilings. If you have a 200-square-foot area and a device that’s designed to cover 100 square feet, it would be logical to get two.

How Many types of air purifiers are there?

As described on MD Anderson, Two main categories exist: filters and sanitizers. Some units exist that are a combination both types.

Filters improve indoor air quality by physically removing tiny particles of matter that can be floating around — such as dust, pollen and pet dander. HEPAs fall under this category.

Sanitizers on the other hand are designed to kill bacteria, viruses, or mold that can also be floating around. These things occur naturally, too, but they can make you sick if you’re exposed to high enough concentrations of them. The most common type of sanitizers right now are UV light devices.

Check out our favourite HEPA purifiers for Covid-19 HERE.

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