DIY Tips - How to Clean Mitsubishi Ductless Mini Split System? - A well-maintained Mitsubishi ductless mini split system runs smoothly, saves colossal energy bills, and saves unwanted repair costs. This infographic teaches how to clean the ductless mini split system safely and efficiently. What should be cleaned, how it can be done, the cleaning checklist, and the cleaning procedure of indoor and outdoor units- are all discussed in this infographic. For any assistance regarding the installation, repair, and maintenance, get in touch with Mitsubishi Diamond contractor Arnica Heating and Air Conditioning Inc.