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Air Filtration & COVID-19: Facts & Fiction

During this uncertain time, we’re all doing everything we can to ensure the health and happiness of our families. Currently, there is no vaccine to prevent COVID-19. However, there are things you can do to help maintain your general health and well-being:

  1. Wash your hands with soap and water. If they aren’t readily available, use an alcohol-based hand sanitizer.
  2. Avoid touching your mouth, nose, and eyes.
  3. Disinfect doorknobs, phones, and other frequently used surfaces regularly.
  4. Avoid close contact with anyone who has a fever and/or cough. Stay home as much as possible.
  5. Wear a mask or other face covering if you do need to leave your house.

If you’re already doing these things, you might wonder if there’s anything more you can do to reduce your risk of illness. Handwashing and staying home are still the most effective way to keep yourself healthy, but there is also conflicting information arising on the effectiveness of air filters in the prevention of virus transmission.

Frequently Asked Questions

Can my HVAC air filter prevent me from getting COVID-19?

There is no concrete answer to this question, but we do know that low-efficiency filters are not likely to make a difference, as they do not block small enough particles. Higher-efficiency filters, if properly installed, have a greater likelihood of blocking those small particles, but there currently is no established guideline.

Will a high-efficiency filter prevent COVID-19?

High-efficiency filters might work with your system, but it is also possible for them to cause problems in your HVAC system if it isn’t designed to accommodate them. A high-efficiency filter may fill with dust and particles very quickly and require frequent filter changes. The higher-efficiency air filter can also cause more air to bypass the filter itself if it is not properly installed and properly sealed. Depending on your system, the filter can also reduce air circulation and cause problems in the HVAC system as a whole. Only use the filters that are recommended for your system; and if you’d like to be able to use higher-efficiency filters, talk to a professional.

Do ionizers, ozone generators, or other air cleaners prevent COVID-19?

None of these products have been scientifically proved to reduce virus transmission, and some have the ability to create negative side effects. They can reduce allergens in the air and make your home smell fresher, which is a plus if you’re staying inside more; but they’re not a slam-dunk against viruses.

Will a portable HEPA filter prevent COVID-19?

As with the filters in your HVAC system, there is no concrete evidence that a portable air filter reduces infectious disease risk. However, it’s possible HEPA filters (along with other preventive measures) can help reduce transmission if they are appropriately sized for the room, placed correctly, and well maintained.

Where can I get more scientific, fact-based information about COVID-19?

The best places for all COVID-19 information are your local, regional, and national health authorities. ABC Plumbing, Heating & Cooling is also here to help you explore the best filtration for you and your family. We have filters available to suit a variety of equipment and needs.

Contact us today to explore your options.

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