Designed for reliable HVAC air treatment, this 36W zero-ozone UV-C light delivers stronger UV disinfection than standard 6–25W lamps. Operating at a 253.7nm UV-C wavelength, it provides immediate, maximum germicidal efficiency, and a slight odor during the first use is normal. ETL listed for safe use and CARB certified to meet California’s ozone emissions limit, it maintains ozone levels below 0.05 ppm, equivalent to zero ozone, when used as intended. Installation is straightforward with the included template for positioning the unit on the exterior of your ductwork. Simply drill the required opening, insert the lamp, and secure the ballast with screws. Setup requires at least 16 inches of available space and a nearby power outlet. For added convenience, the included smart plug allows remote operation whether you’re home or away, with schedule, countdown, random, and circulate modes. Please note that the smart plug is compatible only with 2.4GHz Wi-Fi networks. Suitable for HVAC systems in schools, hospitals, hotels, offices, and other settings, this UV-C light helps reduce contaminants in circulated air and on internal AC system components. Built with a durable 2G11 4-pin ceramic base and quartz glass for clear UV light transmission, it is designed for long-lasting, continuous use.