AC leaking water? Here’s why it happens and how to fix it
ACs are no longer just a luxury, they’ve become an everyday essential in many homes.
One of the most common issues people notice is water leaking from the AC.
Clogged air filters are often the root cause of many AC problems.
ACs are no longer just a luxury, they’ve become an everyday essential in many homes. Whether it’s the peak of summer or a humid day, most of us rely on our ACs for comfort. But with frequent use, these appliances face wear and tear over time. One of the most common issues people notice is water leaking from the AC. It can be frustrating to see water dripping indoors or collecting on the floor. In most cases, this is a warning sign that your AC needs cleaning, maintenance or a quick fix before the issue worsens. Below are some possible reasons why your AC is leaking water.
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Dirty air filters
Clogged air filters are often the root cause of many AC problems. Over time, dust and dirt accumulate on the filters, blocking proper airflow. This makes it harder for the system to function efficiently and can cause the evaporator coil to freeze. When the frozen coil melts, it can result in water dripping from the unit. Cleaning your filters regularly can prevent this issue and improve cooling performance.
Improper installation
If your AC has started leaking shortly after installation, it may not have been set up correctly. Even a slight tilt or improper alignment can lead to water leakage. It’s best to have a professional inspect and correct the installation.
Also read: When should you replace your AC? Check out these warning signs
Mould or fungus buildup
ACs create a damp environment, which can lead to mould or fungus growth inside the unit. This buildup can block airflow or clog the drainage system. When water cannot pass through properly, it may start leaking from other areas.
Apart from causing leaks, mould can also affect indoor air quality and trigger allergies or breathing issues. A thorough cleaning by a trained technician can remove the buildup and restore proper airflow.
Also read: Central AC vs split AC: Which one should you choose for your home and why
Rusted or damaged drain pan
The drain pan is responsible for collecting water from the AC and directing it out through the drain pipe. Over time, this pan can rust, crack or get damaged, especially in older units. When that happens, water may leak instead of draining properly. This is also a sign that your AC is ageing. Replacing the drain pan and keeping it clean can help prevent further leakage.
Disconnected drain line
The drain line carries water from the AC to the outside. If this pipe becomes loose, blocked or disconnected, the water has nowhere to go. As a result, it starts leaking inside your home. A technician can reconnect or replace the pipe to restore proper drainage.
Also read: Window AC vs desert air cooler: Price, electricity consumption and more things compared
Refrigerant leak
In some cases, what looks like water leakage may actually be a refrigerant leak. This is usually accompanied by poor cooling or warm air coming from the AC. Refrigerant is essential for cooling, so any leak can affect performance. Unlike water leaks, refrigerant issues can be harmful if ignored. It’s important to call a professional immediately to handle the repair safely. Avoid trying to fix this on your own.
Ayushi works as Chief Copy Editor at Digit, covering everything from breaking tech news to in-depth smartphone reviews. Prior to Digit, she was part of the editorial team at IANS. View Full Profile