What causes a split air conditioner to leak inside? How do you fix a Split AC water leakage? Water will drip from the bottom of a split air conditioner when the drain pipe becomes clogged. This drain pipe allows condensation to drain down and away from the AC unit.

What Is The Best Way To Fix A Split AC Water Leak?

Clogged drainage pipes of indoor split AC wall units can leak water if they are clogged with dirt or dust. To fix this, clean both the system and the AC.

How To Fix Split AC water leakage Step-by-Step

Fixing an AC water leak requires the following tools:

1. Tool for removing panels (screwdriver)
2. Bucket of water (empty)
3. Use a Shop-Vac wand vacuum to remove excess water and dirt/dust.
4. Fixing a leaky air conditioner: Step-by-Step Guide:
5. Ensure that the AC unit's power switch is off
6. Ensure that the AC unit is unplugged
7. It is necessary to open the main front panel
8. The air filters should be removed and cleaned at this time.
9. Three or four screws usually need to be removed from the front panel.
10. Using the videos below, remove the large plastic cover.
11. Depress the plastic clips at the bottom to access the drain pipe.
12. A drainage pipe is located at the bottom of the unit.
13. Using a bucket, collect water
14. Disconnect the drain pipe from the unit by removing any fittings or tape
15. Drain the AC unit of its drain pipe
16. Fill a bucket with water and drain the pipe
17. Use a shop vacuum to remove the water from the pipe
18. The drain pipe should be reattached with the fitting or tape
19. The main front panel should be reinstalled
20. Clean the air filters and reattach them.
21. Test the unit for leaks after turning it on and letting it run for a few minutes

There is another cause of AC water leaks: 

The condensate tray and the AC can become clogged with dust, preventing water from draining.

You may also have other problems, such as uncapped hoses, excess dirt in the system, clogged or burnt drain pumps, incorrect-sized tubing, kinked hoses, etc., if the split air conditioner is still leaking water.

Why Your Mini Split AC Is Leaking Water

Your mini split AC's indoor unit may be leaking for several reasons. The most common reason is that the drainage pipe is blocked.

Drainage pipes collect condensation runoff and transport it to the outdoors. If the drainage pipes become clogged, the runoff will back up and cause flooding in your home.

Is my split AC leaking water?

If your split air conditioner drips, it is probably due to dust, dirt, or sludge blocking its condensate line. If that's the case, use your regular wet/dry vacuum cleaner to remove any lodged impurities from the condensate pipe, which should solve the drip issue.

Is there a reason why split ACs leak water?

It is common for HVAC systems to leak water due to disconnected or clogged drain lines. A leaky AC unit may also leak refrigerant, the liquid used to cool your home's air, as well as a cracked or overflowing drip pan or frozen evaporator coil.

Is it a good idea to turn off my AC if it leaks?

If you notice your air conditioner leaking, turn it off as soon as possible. This is important even if the air feels the same, because it will stop the flow of water. Your air conditioner becomes more susceptible to further damage the more water leaks out.