An aircon chemical wash is a process of cleaning the internal components of an air conditioner using appropriate chemicals based on aircon. This process is important in maintaining the efficiency of your air conditioner and preventing the build-up of mold and bacteria. It also helps to extend the lifespan of your air conditioner and prevent water leaking issue. And The chemical wash will be done without dismantling the entire aircon unit and it should be done in at least 6 months once.