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What Are HEPA Filters and Do I Need One?


High indoor air quality is an important part of your overall comfort. There are a number of air cleaners available for whole-home use, and sometimes it can be a bit overwhelming when trying to determine which one is the best fit for you. Today we are going to highlight HEPA filters, but remember that for all your air filtration needs, you want to call on the professionals who can help you: Ierna’s Heating and Cooling.

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What Does HEPA Stand For?

HEPA stands for high efficiency particulate air.

How Efficient Is a HEPA filter?

A true HEPA filter is 99.97% efficient. HEPA filters can screen out particles as small as 0.3 microns, which are the hardest microns to trap. Interestingly, this size micron is perfect for entrance into the human body, which is why the size is important. To give perspective on this size, a human hair ranges anywhere from 70-100 microns. HEPA filters capture allergens, dust, dirt and some bacteria and viruses.

What Is the Construction of a HEPA Filter?

A HEPA filter will come in a square frame, and the filter medium will be pleated. The material used for the filter is a paper-like, glass-fiber filter material, and pleats are in a “V” configuration with corrugated aluminum separators between the pleats; pleating helps to trap airborne particles more successfully.

What Are the Benefits of HEPA Filters?

The main benefit of installing a whole-home HEPA filter is increased indoor air quality, particularly for allergy sufferers. Additionally, by capturing some bacteria and viruses, HEPA filters can also increase your overall health. Due to their tight weave and pleated formation, HEPA filters capture a great deal more dust and dirt than a standard air conditioner air filter, which can benefit your AC.

Items to Note

Certain HEPA filters can restrict air flow, so it’s important to work with a professional to understand which HEPA filter is best for your system. In addition, HEPA filters need to be changed approximately every 3 months in order to be effective.

HEPA filters can be great air filtration systems for your home in Lutz. However, as noted above, it may take some work to determine which HEPA will work best for you and your air conditioner.

If you are interested in what a HEPA filter can do for the overall air quality in your home, call the experts at Ierna’s Heating & Cooling today.