An air con having water leaking, mostly cause by the dirty on the coil. When the dirt flow out together drain water, and it stuck in the drain pipe. So the water can’t flow out smoothly, the water will be overflow from drip pan / indoor unit.
The first things we will check whether your coil is dirty or not. If the coil is dirty we will have to do aircon servicing, use chemical to clean the coil. If the coil is very clean, we will do drain pipe purging for you.
The aircon servicing price is depend on the horsepower. Aircon servicing rate had listed above. For drain pipe purging will be RM 80. To be take note that if coil is dirty, doing drain pipe purging is only temporarily solution.