Why Is Water Leaking From My AC?

Air conditioners remove moisture from the air, and that water is meant to drain away through a pipe. If it is dripping inside your room instead, something is wrong. Here are the usual causes.

Common reasons for AC water leaks

1. A blocked drain pipe

Dust, algae and debris can clog the drain line, so water backs up and overflows from the indoor unit. This is one of the most common causes.

2. A dirty air filter

A clogged filter restricts airflow, which can make the coil freeze. When the ice melts, the extra water can overflow. Read how to clean your AC filter.

3. A frozen evaporator coil

Low airflow or low refrigerant can freeze the coil. If you see ice, switch the AC to Fan mode to melt it and then arrange an inspection.

4. A damaged or misaligned drain tray

The tray can crack or shift, letting water escape before it reaches the pipe.

5. Poor installation

The indoor unit must be fitted slightly sloped so water flows to the drain. A wrongly levelled unit or a drain pipe with dips can leak. See common installation mistakes.

What you can do

1. Switch the AC off and place a container under the drip.
2. Check and clean the filter.
3. Look at the outdoor end of the drain pipe for kinks or blockages.
4. If it keeps dripping, or you see ice, get it checked.

When to call a technician

A technician can clear the drain line, clean the coil, check the level of the unit and look for refrigerant issues. If your AC is leaking, you can book an AC repair visit in Greater Noida before the damp spreads.