Aircon steam cleaning is a process where coils, filter are cleaned with pressurized steam. This helps to remove any dirt, dust, or debris, Bacterias that may have built up on the coils over time. And this process might be taken about an hour. During this time, the air conditioner will be turned off and the coils will be cleaned. After the coils,filter have been cleaned, the air condit... https://coolcare.com.sg/steam-cleaning/