HEPA is an acronym for high efficiency particulate air filter. This type of air filter is designed to remove 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns or less.
In this article, we will talk about what is hepa filter and the benefits of Hepa filter.
What is HEPA Filter?
HEPA is an acronym for high efficiency particulate air filter. This type of air filter is designed to remove 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns or less. The diameter specification of 0.3 microns is designed to respond to the most penetrating particle size (MPPS). Larger or smaller particles are trapped with even higher efficiency. Using the MPPS results in the most penetrating efficiency rating (i.e. 99.97% or better for all particle sizes).
To keep your air cleaner functioning properly, be sure to clean it and replace the filter regularly, following the manufacturer’s recommendations.
The MERVs report a filter’s ability to capture larger particles, also known as micrometers, between 0.3 and 10.
- This value is usuable in contrasting the performance of different filters.
- More the MERV rating the higher the filter is at trapping specific particles.
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|MERV Rating||Particle Size in Microns|
|1-4||3.0 – 10.0 less then 20%|
|6||3.0 – 10.0 49.9%|
|8||3.0 – 10.0 84.9%|
|10||1.0 – 3.0 50% – 64.9%, 3.0 – 10.0 85% or greater|
|12||1.0 – 3.0 80% – 89.9%, 3.0 – 10.0 90% or greater|
|14||0.3 – 1.0 75% – 84%, 1.0 – 3.0 90% or greater|
|16||0.3 – 1.0 75% or greater|
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Benefits of HEPA filter
- Using a HEPA filter in your home can help reduce the amount of airborne particles that might make allergies worse. However, there are many more allergens and irritants in your home that are not suspended in the air.
- Rugs, bedding, drapes, countertops, and tabletops are all sources of allergens and irritants. It is important to keep these areas clean and free of contaminants.
- There are many ways to get rid of allergens and irritants in your home. For example, by not smoking, you can keep tobacco smoke out of your home.
Frequently Asked Questions
Are HEPA filters effective against Covid?
When used correctly, air cleaners and HVAC filters can help reduce airborne contaminants including viruses in a building or small space. By themselves, air cleaning or filtration is not enough to protect people from COVID-19. However, when used in conjunction with other preventative measures, air cleaning or filtration can be an effective way to reduce your risk of exposure to the virus.
Are HEPA filters worth it?
HEPA filters are great for removing allergens, dust, pollen and mold from the air. However, they won’t remove viruses or VOCs. Make sure to replace your filter regularly every 12 to 18 months or when needed to keep your air clean and healthy.
What are the two disadvantages of HEPA filters?
Although HEPA filters cannot trap other pollutants such as gases, fumes, chemicals and odors, they are a great way to improve the air quality in your home. Depending on the type of air purifier you have, the shape and compactness of the unit may vary. However, replacing filters can become costly, so it is important to keep track of how often they need to be replaced.
Do HEPA filters improve health?
New research suggests that air purifiers may benefit heart health, too. After installing air purifiers, several studies found that blood pressure and heart rate improved. Additionally, another study found that indoor HEPA air filters improved respiratory health in those with asthma.
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