How Sharp Air Purifiers Help to Reduce Mold In Your Home

Air purifier in a bedroom.

Mold. Just the utterance of the word can seize my nasal passages. I’ve got several airborne allergies, but my allergy to mold is the most severe. Seven years of allergy shots nearly cured most of my allergies, except the one to mold is strong as ever. For me, an allergic reaction can trigger an asthma event and have me reaching for my rescue inhaler, especially when sleeping.

Having researched while writing this series of blogs, I decided to purchase the Sharp KC-850U Plasmacluster Air Purifier for my bedroom, and within a week, I was breathing freely. More on this later.


Woman adjusting air purifier in her home.

As much as possible, I’ve tried to remove the potential sources of mold from my home. I moved plastic bins around in my basement to find that moister somehow collected, and there was mold growing on the bottom. For years I’ve known to keep the gasket of my refrigerator squeaky clean, my bathrooms are as clean as I can see, wet towels are never put into the laundry basket, and I do my best to keep the basement clean. Honestly, I could spend every day looking for the source and would not ever find it. The majority of mold spores measure between 2 and 10 microns, only visible when viewed under a microscope. For comparison, a human hair is between 50–75 microns.

The Centers for Disease Control and Prevention (CDC) puts a finer point on the issue stating that there are more than 200 species of fungi, or what is generically called mold or mildew that people are routinely exposed to indoors and outdoors. They estimate that up to 50 percent of the population has a sensitivity to mold. The presence of mold can cause health problems that affecting immune response.

It would seem that keeping a clean house would be enough to be rid of mold, but it is particularly pesky because these fungi are part of the natural environment. Mold spores float in the air in search of a moist host to reproduce. In its Brief Guide to Mold, Moisture, and Your Home, the Environmental Protection Agency (EPA) states that it is impossible to get rid of all mold and mold spores indoors. That doesn’t mean I won’t give up trying.

There are several intervention methods that you might not have considered to help mitigate the growth of mold.

  • Maintain heating, ventilating, and air conditioning (HVAC) systems.
  • Keep gutters and downspouts clear to ensure water drains away from the foundation.
  • Routinely check, clean, and dry the drip pans in air conditioners, refrigerators, and dehumidifiers.
  • Use exhaust fans or open windows to increase ventilation when cooking, showering, or when using the dishwasher.
  • Leave closet doors open for air circulation.
  • Maintain an ideal relative humidity level in the home between 40 to 60 percent.
  • Locate and fix or remove sources, causing a build-up of moisture.
  • Reduce the number of indoor plants.
  • Use high-efficiency particulate air (HEPA) filters.

Cleaner Air, Room-by-Room

The EPA (Environmental Protection Agency) states that ensuring healthy Indoor Air Quality (IAQ) by minimizing indoor air pollutants is essential. Poor IAQ can have severe repercussions on an individual’s health.

Not every home has ductwork available to install a whole-house air filtration/purifying system, and even for those that do, it can be cost-prohibitive. This is where a portable in-room air purifier comes to the rescue.

air purifier in bedroom

A Sharp in-room air purifier with a True HEPA filter captures up to 99.97% of allergens from the air that passes through the filter, measuring as small as 0.3 microns and larger. Not only does it capture mold spores, but you also benefit from capturing pollen, dust mites, pet dander, and bacteria.

Building on what a True HEPA filter alone can accomplish is Sharp’s patented Plasmacluster Ion (PCI) air purification technology. The Plasmacluster Ion technology mimics nature’s cleaning process, by splitting water molecules into positively and negatively charged ions, which spread throughout the room and actively break down pollutants like germs, airborne and surface-adhering bacteria, fungus, mold, viruses and clinging odors, and then return to the air as water vapor.

Seeing is believing; check out this video of how Sharp’s Plasmacluster Ion technology reduced airborne mold by 79 percent in a test chamber.

Featured in this Article

Sharp HEPA Air Purifier with Plasmacluster® Ion Technology for Medium Rooms (FPK50UW)

A breath of fresh air in any medium-sized room, the Sharp FPK50UW Plasmacluster Ion Air Purifier with True HEPA Filtration effectively reduces pollen, dust, pet dander, smoke, germs, bacteria, viruses, odors, mold, and fungus in your living space. There is a three-stage filter system including an activated carbon filter and long-life True HEPA filter, which captures 99.97% of particles as small as 0.3 microns from the air that passes through it. The micro screen pre-filter for larger particles is washable and helps to extend the life of your filters.

Patented Plasmacluster Ion Technology disperses positively and negatively charged ions throughout the room to safely break down microorganisms and odors (even those trapped in fabric, carpeting, and drapery!) The FPK50UW air purifier is an ideal solution for allergy sufferers, asthmatics, pet owners, and smokers, and best used in a bedroom, living room, study, or exercise room.

“Plasmacluster Express Clean” gives you sixty minutes of high-density Plasmacluster Ion production and high-fan speed for an extra boost of clean when you need it, and a hands-free return to the prior mode when complete. The unit has LibraryQuiet™ operation (as quiet as 22 decibels, or the sound of rustling leaves) and is ENERGY STAR® rated, so you can run the unit continuously while saving money and energy.

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About Sharp Home Electronics Company of America (SHCA)

SHCA is the U.S. Consumer Products Group of Sharp Electronics Corporation, the U.S. sales subsidiary of Sharp Corporation, a worldwide developer and manufacturer of one-of-a-kind premium technology products. SHCA includes the manufacturing of certain Home Appliances in Memphis, TN, together with the sales & marketing and servicing of Home Electronics in the United States.  Leading products include Sharp Carousel(R), Microwave DrawerTM, SuperSteam+TM ovens, and Plasmacluster(R) Ion air purifiers. Sharp Corporation was named one of the 20 Most Loved Companies globally, received a 2018 Thomson Reuters TOP 100 Global Technology Leader Award, and appears on the Forbes America’s Best Employers 2017 list.1

Sharp, Carousel, Microwave Drawer, SuperSteam+, Plasmacluster, Healsio, and all related trademarks are trademarks or registered trademarks of Sharp Corporation and/or its affiliated companies. All other trademarks are the property of their respective owners.

1 Sources: Buyology Inc., 2012; APCO Worldwide, 2013; Forbes, 2017;

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