Aircon Indoor Unit Leaking Water – Causes and Fixes
I see this fault constantly on wall-mounted split systems, especially in hot and humid climates.
The indoor unit is cooling, but after a while water starts dripping from the front of the aircon, running down the wall, or leaking from one side of the unit.
What are the most common causes?
1. Blocked condensate drain
This is probably the first thing to check.
As the evaporator cools the room air, moisture condenses on the coil and runs into the drain tray.
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I would always recommend having your AC serviced once a year for residential properties. For commercial and industrial sites, servicing should generally be carried out monthly or quarterly, depending on the environment and operating conditions. This will help keep your AC running at peak performance.