Air Purifier Science: What You Need to Know at Home

As interest in maintaining healthy indoor air quality has increased, air purifier science has arrived at the consumer level. The airtight, energy-efficient environment in homes today has many benefits, including more precise temperature control and lower heating and air-conditioning costs.

However, reduced air circulation and ventilation frequently allow indoor airborne particulates to accumulate to levels that can trigger physical symptoms like asthma, allergies, and even chronic illness. The list of invisible particles afloat in homes is long and diverse and can include everything from dust, pet dander, mold spores, and lint fibers to vaporous pollutants like volatile organic compounds emitted by paint, cleaning solutions, and pesticides.

Air purifier science offers solutions that mitigate the effects of indoor pollution on occupants of the house. Below are some examples of current technology available to help clear the air.

HEPA filters.

Short for High Efficiency Particulate Air, HEPA filtration is the gold standard in air purifier science. HEPA filters remove airborne particulates down to 0.3 microns in size, generally including 99.7% of typical particulates. These units are available as free-standing models that include a fan to draw air through the filter or as whole-house units installed in a ductwork configuration.

Activated Carbon Filtration.

A secondary filter often integrated into HEPA filter units, these filters remove vapors including odors and, more importantly, volatile organic compounds such as formaldehyde and common pesticides.

Electronic Purification.

Electronics play an increasing role in air purifier science. Some units use a corona electronic-discharge process to ionize airborne particulates, making particles stick to electrically charged plates as air circulates through the unit. Ion generators are another option; These units flood indoor air with negative ions, which naturally bind to airborne particulates. This causes particles to lose buoyancy and fall out of the air.

Ultraviolet Lights.

UV light is toxic to many airborne microorganisms. Installed in HVAC ductwork, UV lamps expose system airflow to continuous disinfection, in turn killing viruses, bacteria, and mold spores.

For more about the latest advancements in air purifier science, contact Paitson Bros. We’ve been helping keep your indoor environment both comfortable and healthy since 1922.

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