Bipolar Ionization Virus-Killing Air Purification

Cleaner, healthier air with CoolSys and Plasma Air

We understand that the safety of your staff and people in your facilities is your priority. That’s why we’ve partnered with Plasma Air to bring you needlepoint bipolar ionization capabilities. With bipolar ionization, you add an extra line of defense against viruses—like the one that causes COVID-19— as well as bacteria, mold, spores, odors, and more. Thanks to bipolar ionization, you can breathe easy.

See if Plasma Air Bipolar Ionization is right for your facility


Boost safety and reduce absenteeism by installing bipolar ionization. K-12 schools can use their Elementary and Secondary School Emergency Relief (ESSER) funds towards upgrading their HVAC systems to prevent the spread of COVID-19.

Read more about pandemic relief benefits


Needlepoint bipolar ionization is available for installation on RTUs, split systems, and other HVAC equipment. Ideal for a wide variety of applications, including:

  • Grocery stores
  • Retail outlets
  • Schools and offices
  • Hospitals and other medical facilities
  • Movie theatres, airports, subways, sports arenas, etc.


  • Reduces air particles for easier breathing
  • Reduces odors for a pleasant environment
  • Reduces bacteria and viruses to help mitigate the contraction of airborne illnesses
  • Safe for continuous use
  • Zero ozone emissions (certified to meet UL 2998 standards)[1]
  • Creates a safer environment for staff and patrons


Enjoy the benefits of bipolar ionization through annual energy savings. Plasma Air reduces outside air by as much as 75% by cleaning the air of harmful pathogens and other contaminants, which means:

  • Upfront equipment savings
  • Lower heating and cooling loads
  • Recurring annual energy cost savings

What is bipolar ionization?

Simply put, bipolar ionization enlarges viruses and bacteria in the air, making it easier for filters to capture them.

High-voltage electrodes split apart oxygen molecules into positive and negative ions. This process—called needlepoint bipolar ionization—causes the now unstable ions to seek out other particles in the air and return them to a balanced state. As they encounter viruses, bacteria, molds, allergens, volatile organic compounds (VOCs), and other particulates, the unstable ions grab hold and bind to them. The resulting larger-sized molecule can be more easily trapped in the unit’s filter.

[1] The Environmental Protection Agency (EPA) recommends using only bipolar ionization devices that meet UL 2998 standard certification to ensure zero ozone emissions (

Safe, effective HVAC air purification

Studies and peer-reviewed articles—including by the Journal of Negative Results in Biomedicine—found no evidence of ionization harming humans. Visit WellAir for a complete list of studies and articles.

Name Reduction Time Model


SARS-CoV-2, Omicron 99.995% 90 min PA662 / 600 + 660 Series*
SARS-CoV-2 99.99% 90 min AC1500/AC1560*
MS2 Bacteriophage, SARS-CoV-2 surrogate 99.39% 240 min PA603 / 600 + 660 Series*
Influenza A (H1N1) 86.60% 60 min 7000 Series**; Plasma BAR**


Bacillus subtilis var. niger 89.30% 60 min 7000 Series**; Plasma BAR**
Escherichia coli 99.43% 120 min 7000 Series**; Plasma BAR**
Pseudomonas aeruginosa 99.99% 60 min 7000 Series**; Plasma BAR**
Staphylococcus aureus 91.50% 60 min 7000 Series**; Plasma BAR**


Aspergillus niger 97.14% 120 min 7000 Series**; Plasma BAR**
Candida albicans 97.69% 120 min 7000 Series**; Plasma BAR**
Cladosporium cladospoioides 36.27% 120 min 7000 Series**; Plasma BAR**
Dichobotrys abundans 90% 7000 Series**; Plasma BAR**
Penicillium 95% 7000 Series**; Plasma BAR**

*Model tested/applicable model or product family.
**Technology tested was the same bipolar ionization technology used in the 7000 series and bar products.

See if Plasma Air bipolar ionization is right for your facility

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