Why Is My Air Conditioner Leaking Water?

An AC leaking water needs immediate attention to avoid costly damage and operational inefficiency. However, before implementing a repair, it’s important to explore common reasons for leaks and when to call an expert. We’ll also look at popular troubleshooting tips to help you get answers faster.

Topics covered in this article include:

• How AC systems manage water condensation
• Common reasons for AC water leaks
• Warning signs that require immediate attention
• Troubleshooting AC water leaks safely
• Preventative measures for long-term AC efficiency

Read on to find out what it means when your AC unit is leaking water.

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Air conditioners have an evaporator coil that cools outdoor air as it passes over the coil and into the system’s vents. The coil cools by absorbing heat from the air along with any ambient moisture. Then, the moisture becomes condensation that drips down to collect in the air conditioner’s drip pan.

Ideally, the water collected in the drip pan will flow out through the unit’s drain line. However, any interruption to that workflow, including a cracked drip pan or clogged drain line, could result in a leaky AC.

If you spot any of the following warning signs, call a trained AC technician immediately:

• Pooled water near the indoor unit.
• Water damage to the AC's surrounding area, including on the walls, ceiling, or floors.
• An AC system that’s no longer cooling properly.
• Strange system noises.
• Increased humidity indoors.
• Off odors near the AC unit, especially a musty odor that may be accompanied by mold growth.

To safely fix an air conditioner that’s leaking water inside, follow these expert tips:

• Clean the air filter with a soft brush and water to remove debris and restore proper airflow. If necessary, replace the filter.
• Inspect the drain pain for cracks or standing water.
• Clear clogged drain lines using a wet-dry vacuum.

More advanced repairs that require handling frozen coils or refrigerant are best left to the professionals.

Commit to regular maintenance to help prevent your AC from leaking water. Schedule annual tune-ups that include a professional and component check. Replace your air filters regularly to prevent airflow restrictions, and clean the outline unit to keep debris out of the coils and drain line.

Though you shouldn’t handle refrigerant yourself, you can promptly monitor refrigerant levels and address cooling issues.

Since 1989, Advanced Air’s talented team of technicians has helped residents of Southwest Florida stay cool year-round. Thousands of 5-star reviews show our long-term commitment to excellence, superior customer service, and installations and repairs you can be proud of. For more information about our AC repair services and 100% satisfaction guarantee, reach out to Advanced Air today.