New Ultraviolet Light Fixture Helps Control Spread of Airborne Viruses and Bacteria

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New Upper Air Germicidal UV-C Light Fixture from UV Resources Delivers Industry’s Highest Ultraviolet Dosage--up to 350% More Coverage Than Conventional Systems--for Greater Hospital Infection Control, Lower Costs

The High-Output GLO Upper Air Germicidal UV Fixture from UV Resources employs louvers to direct the germicidal energy upward and outward to create an dense zone of germ killing power in the upper air.

On any given day, approximately one in 25 U.S. patients has at least one infection contracted during the course of their hospital care, adding up to about 722,000 infections in 2011, according to new data from the Centers for Disease Control and Prevention. The CDC survey found about 75,000 hospital patients with healthcare-associated infections (HAIs) died during their hospitalizations and that more than half of all HAIs occurred outside of the intensive care unit.

Forrest Fencl, one of the HVAC industry’s leading experts on ultraviolet air and surface treatment, notes that a new upper air germicidal UV-C light fixture offers healthcare institutions another tool to combat rising rates of HAIs, offering up to 350% more coverage than similar systems for greater infection control and lower costs.

The High-Output GLO™ Upper Air Germicidal UV Fixture from UV Resources provides the industry’s greatest amount of Ultraviolet-C (UV-C) energy fluence, or dosage, without the use of additional power, heat or special UV lamps.

The patent-pending GLO fixture, which stands for Germicidal Light Overhead, delivers up to 350 percent more irradiance than conventional upper air UV systems. This increase in irradiance levels translates to greater UV-C coverage, enabling infection control specialists to treat more area with fewer fixtures, saving both cost and energy.

The wall-mounted unit can be easily installed anywhere to destroy airborne viruses, bacteria and mold spores. Frequently used to mitigate the risk of nosocomial infections in health care settings—including surgical suites, emergency room waiting areas, patient rooms, as well as homeless shelters, jails and prisons— the upper air UV fixture is ideal virtually anywhere there is a threat of infectious diseases.


The GLO Upper Air UV Fixture is able to yield increased levels of ultraviolet germicidal irradiation (UVGI) through its exclusive, computer designed, high spectral Alanod aluminum reflector that helps to significantly reduce internal UV energy losses. Because of its unique reflection system, the new UV fixture also offers a 170-degree horizontal angle of irradiance, for the widest and highest output UV-C zone of all competitive models available.

According to the manufacturer, the new GLO Upper Air UV Fixture exceeds the performance guidelines established by the U.S. Department of Health and Human Services and the Center for Disease Control and Prevention (CDC) for hospital and healthcare applications. The GLO fixture is pending UL approval and offers a three-year fixture and one-year lamp warranty.

“Through our innovative design, we have been able to more than triple the UV-C output of what was previously the best upper air fixtures available,” explains Fencl, president of UV Resources and writer or co-writer of 15 patents related to ultraviolet air and surface treatment.

“This higher UV-C dosage allows this product to be both more efficient at killing airborne microbes and, in turn, more cost effective for the end user. We have achieved these efficiencies without raising the unit’s power/energy consumption and without using expensive electrical components or lamps.”


Upper air UV systems have been used to control airborne infectious diseases since the 1940s, but their use waned during the arrival and proliferation of antibiotics in the 1950s. Demand for the technology increased following a resurgence of drug resistant infectious microorganisms, including tuberculosis, which requires additional infection control measures. The CDC finds that “a properly designed and maintained upper room UVGI system may be effective in killing or inactivating TB bacteria.”

“Upper air UV systems work by creating an irradiation zone within the upper region of most any space, and have been especially useful in healthcare settings, but are also found in food, commercial, and institutional applications,” notes Fencl. “As convection or mechanical air currents lift airborne infectious agents into the upper air, they are exposed to UV irradiation where they are killed.”

Independent studies and specialized applications have proven upper air treatment methods to be quite effective in inactivating all forms of infectious agents. Typically installed on a wall at a height above seven-feet, the UV fixture employs louvers to direct the radiation upward and outward to create an intense zone of UVGI in the upper air while minimizing the dosage in the lower (occupied) portion of the room or area.

Best known for its groundbreaking UV technology designed for HVACR equipment and applications, UV Resources has expanded its UV-C product offering to address emerging infection control applications with the new upper air UV fixture.

“Our team members helped pioneer and patent the use of UV-C technology in air conditioning equipment, and we wanted to bring this same ‘best-in-class’ approach to stand-alone upper air products,” explains Fencl. “In addressing this market, we hope to provide an economical and proven solution to dramatically reduce the spread of airborne viruses, bacteria and spores.”

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Joel Williams
O'Reilly DePalma
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