The self-cleaning function dries the evaporator coil after use to prevent the growth of mold and bacteria. This maintenance-saving feature is included in the Bravo Milano Series 2 Zone 36,000 BTU. It keeps the air smelling fresh and the system running efficiently. You can find this highlighted in our UFC Multi-Zone collection. By automating this process, the lifespan of the indoor unit is significantly extended. It is a must-have for those with allergies or respiratory sensitivities.