Air Purifier for Mold
An air purifier for mold removes mold spores and particles from the air. In addition to removing the mold spores or particles, other pathogens and allergens are also removed. The harmful health effects of mold inhalation include allergic reactions, increased sensitivity to other allergens, and even mold growing inside the human body.
Mold is dangerous to human health. Mold in the air taxes our bodies defenses and can cause a host of diseases. When conditions are right, mold can grow unseen behind our walls, in the areas between floors and ceilings, or in basements. The spores and particles released by some molds, especially from the genus Aspergillus, are health hazards.
It is important to avoid the conditions that lead to mold growth in the first place. Humidity is the one variable above all that determines whether mold will grow and whether it will be able to reproduce. Even small water leaks can greatly increase humidity if the space the water leaks into doesn’t have a way to dry out.
Even if you have taken measures to reduce the humidity by fixing any water leaks and using a dehumidifier, it is a good idea to incorporate some type of air purifier or air cleaner for mold to reduce the number of airborne spores and particles in your home or workspace.
How It Works
An air purifier for mold works by trapping spores and particles as they pass through a filter. Since mold spores are so small, the filter needs to be made to a high standard in order to effectively capture the mold. A HEPA filter, or High Efficiency Particulate Air filter, is able to trap mold spores as air passes through the filter. HEPA filters capture 99.97% of particles 0.3 microns1 in diameter, and are actually more effective at capturing larger particles.
Pathogenic and allergenic mold spores are larger than 0.3 microns in diameter. For example, Aspergillus fumigatus, which causes aspergillosis, has spores which are over 2 microns in diameter.2 A HEPA air purifier can remove the vast majority of airborne mold spores. ULPA filters, or Ultra Low Particulate Air filters, remove an even greater proportion of airborne particles.
When choosing an air purifier for mold, make sure that the air purifier is the right size for the space being treated. An air purifier for a small room will not necessarily be strong enough to treat an entire home or apartment. If you are trying to remove mold spores from the air in an entire living space, an air purifier for an apartment or air purifier for a home is probably more well-suited. If you are looking to tackle the humidity as well as the airborne spores, a combined dehumidifier and air purifier might be in order. This combination is sometimes found in air purifier for basements.
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Some cleaning sprays, especially those that contain chlorine bleach, will kill mold that they come in contact with.3 However, if the mold is also growing on within the walls or ceiling, it may not be practical to use bleach. For example, if a fiber-glass insulation baffle is wet and moldy, it needs to be removed as the mold will be too integrated in the insulation to be bleached away.
It depends on the species. Many molds are able to survive drying out. When they become moist again, they will continue to cause problems. Keeping areas dry does limit mold growth, and it also reduces or prevents airborne spores from being released. This is because molds require a minimum level of humidity before they will release spores.
As a general rule of thumb, the higher the humidity, the higher the likelihood of mold growth.4 The level of humidity required for mold to grow depends on the moisture content of the material the mold is growing on. For example, cheese will readily grow mold at 85 percent relative humidity, but cotton will not support mold growth below 96 percent relative humidity.
Yes and no. A home mold test kit5 such as a Petri dish with a growth medium will readily grow mold without allowing bacteria to grow. The Petri dish is exposed to the air in the home, and after a day or two mold growth should be apparent. Although this will demonstrate whether there are mold spores present in the air, it will not pinpoint the source of those spores. The spores could have drifted in from another home or from outdoors.
Get cleanroom quality clean air at home with the SoClean 3-Stage Air Purifier+. The SoClean 3-Stage Air Purifier+ captures 99.99999% of airborne viruses and bacteria. The SoClean 3-Stage Air Purifier greatly outperforms HEPA standards in a portable package that can be easily moved from place to place.
Master Air Purifier Sources:
Air quality sources: Air purification/filtration process sources: HEPA, UPLA, and MERV filter sources:
Air quality sources:https://pubs.acs.org/doi/abs/10.1021/acs.est.5b01236
Air purification/filtration process sources:https://www.consumerreports.org/cro/air-purifiers/buying-guide/index.htm
HEPA, UPLA, and MERV filter sources:https://pubmed.ncbi.nlm.nih.gov/16517004/