Bacteria were injected into a test duct and surviving bacteria were counted. Honeywell uses special UV lights that don't produce ozone, unlike most UV products. Prevent mold spores from growing on your system's cooling coils Coil irradiation model. Mounted above your central air conditioner's cooling coil, the Ultraviolet light continuously bathes cooling system components with mold stopping UV energy. Specially designed for maximum performance and safety UV Air Treatment products by Honeywell feature a unique design with a patent pending lamp drive system for maximum performance, a special safety design that won't let bulb light unless properly mounted to the duct, and a special light pipe to safely view the bulb operation.
Mold is one of the more common allergens.