Cleaning a ductless mini-split regularly improves comfort, efficiency, and the lifespan of the system. Key benefits include: Cleaner indoor air by removing dust, pollen, mold, pet dander, and other contaminants from the indoor unit. Better energy efficiency, which can lower electricity bills because the system doesn't have to work as hard. Improved heating and cooling performance with stronger airflow and more consistent temperatures. Eliminates musty odors caused by mold, mi