Coolworld 120V 14″ Bulb UV Lamp for A/C HVAC Coil Systems – Up to 5 Tons on July 18, 2026 July 22, 2026 This UV lamp is designed to be installed in your AC HVAC Coil system and consists of 3 main components The 14W 14 UV bulb emits a UVC light that outputs 253.7NM wavelength with 99.9% effectiveness.