Consumers use ultraviolet (UV) light products to sanitize toothbrushes, sterilize water, and remove germs from surfaces. UV lights also can clean the air and keep your HVAC system efficient. Before purchasing any for your home, read how UV lights work and where to install them. What UV Lights in HVAC Systems Actually Do Homeowners can purchase standalone, portable UV light units for installation anywhere in a home or office. They also can install UV lights in HVAC systems. Such UV lights come in two basic types: Air sterilizers. This UV light cleans air moving through the system. Installed in the air return, the light turns on when the fan starts running and turns off when the system is off. Air handler coil sterilizers. This UV light sits near the coils in the air handler and constantly runs to keep mold and other contaminants at bay. It is more cost effective than an air sterilizer but […]