What is UVGI Ultraviolet Germicidal Irradiation (UVGI) is a type of electromagnetic radiation that is used to kill microorganisms such as bacteria, viruses, yeast, mold, and fungi. It is a non-chemical technology with no residual by-products. The use of short-wavelength ultraviolet (UV-C) light to kill or inactivate microorganisms has been a widely accepted disinfection method since the mid-20th century. UV lamps for air disinfection (UVGI) have gained significant popularity in air purification, particularly in HVAC applications. Following the onset of the COVID-19 pandemic, the use of UVGI for HVAC has...