• Nicole Stika

Using UVC to Combat COVID-19

There are various ways to improve indoor air quality (IAQ), and research suggests that UV-C can significantly lessen the spread of bacteria, germs, fungi, and viruses such as COVID19.


So what exactly is UV-C Technology? UV-C is a type of ultraviolet light, also known as Germicidal UV. It has the power to kill or incapacitate bacteria, mold, fungi, and viruses by destroying the DNA of dangerous pathogens. This is an extremely powerful technology to facilitate clean air because there are no known microorganisms immune to UV-C energy.


The placement of UV-C lighting systems is extremely important to ensure optimal effectiveness.


UV-C has been around for decades and widely used in hospitals and medical settings to disinfect the air and keep buildings safe. UV-C continuously sanitizes surfaces and air, providing true proactive protection against germs. It improves the airflow and energy efficiency of the HVAC system. When installed in a commercial setting, it provides air sterilization via a complete light kit that cycle on with an air handler blower.


UV lights installed inside of a commercial duct system provide an additional layer of purification for the indoor environment. As the HVAC equipment operates, the entire content of the air is exposed to the UV light, which destroys the microorganisms before they enter the occupied area.


UV lights are also installed directly into the coil system. This helps keep the coil free from mold, fungi, and other biologicals that can degrade the performance of the equipment as well as negatively impact indoor air quality. In both duct mounted and coil mounted applications, UV light must make direct contact with the organism to establish a high disinfection rate. While it only takes a few seconds of direct exposure to eliminate most contaminants, partial exposure may yield unsatisfactory results.


Taking UV-C a step further is to integrate Photohydroionization® (PHI) Technology. PHI is an advanced oxidation technology developed by RGF Environmental Group to minimize and neutralize indoor air pollutants such as bacteria, viruses, mold, gases (VOCs), and odors. When the HVAC system is in operation the Commercial PHI Unit creates an Advanced Oxidation Process consisting of Hydro-peroxides, ozonide ions, superoxide ions, and hydroxide ions. All are friendly oxidizers. By friendly oxidizers, we mean oxidizers that revert to oxygen and hydrogen after the oxidation of the pollutant.


It’s important to note that UV light is just one component in a comprehensive indoor air quality strategy.


You can also tune in to the webinars that featured this topic and more on indoor air quality.


To learn more about how this can be implemented in your facility, contact the GCP Energy team at energy@gcpartnership.com

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