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FIGHT AGAINST CORONAVIRUS – GERMICIDAL IRRADIATION FOR HVAC SYSTEM

The 2019 Novel Coronavirus, or COVID-19, is a new respiratory virus first identified in Wuhan, Hubei Province, China.

Coronaviruses are a large family of viruses that are common in many different species of animals, including swine, cats, cattle, camels and bats. Rarely, animal coronaviruses can infect people and then spread between people such as with MERS, SARS, and now with COVID-19.

It’s important to note that how easily a virus spreads person-to-person can vary. Some viruses are highly contagious (like measles), while other viruses are less so. There is much more to learn about the transmissibility, severity, and other features associated with COVID-19 and investigations are ongoing.

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Most often, spread of COVID-19 from person-to-person is believed to happen among close contacts (about 6 feet). Person-to-person spread is thought to occur mainly via respiratory droplet nuclei produced when an infected person coughs or sneezes, like how influenza and other respiratory pathogens spread. These droplet nuclei can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs. If these droplets are hearty enough to survive a period of time in the air, they can be spread in a building by the air handling system.

Previous Corona family of viruses have shared similar traits of vulnerability to UVC at varying dosage. Viruses that are airborne can be safeguarded against with high doses of UVC in the Airstream. Steril-Aire has control mechanisms to stop that spread.

For the most effective microbial control, Steril-Aire UV germicidal Emitters are installed on the supply side of the system, downstream from the cooling coil and above the drain pan. This location provides more effective biofilm and microbial control than in-duct UVC installations.

The recirculating air in HVAC systems creates redundancy in exposing microorganisms to UVC, ensuring multiple passes so the light energy is effective against large quantities of airborne microorganisms. Steril-Aire UVC delivers the highest UVC output, driving HVAC system efficiency while improving indoor air quality.

Steril-Aire is the first manufacturer of UVC solutions for the air and air handlers. Since 1994, solutions from this company have consistently been found to be the highest intensity output of UVC of any commercially available products.

The 2005 US Environment Protection Agency’s independent performance test to evaluate HVAC in-duct ultraviolet light system and the “biological inactivation efficiency” of aerosol, bioaerosol and chemical challenges.  The test were conducted on 3 microorganisms, two bacteria (Bacillus Atrophaeus and Serratia Marcescens) and one bacterial virus (MS2).  The test results shows that Sterile-Aire configuration delivered a far greater “dose per watt” than any other UVC devices tested.

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If your goal is to maintain higher indoor air quality, save energy and protect those in your environment, then your best option is to contact a Digital Knight representative today.

Stay safe.

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