Wall-Mounted AC Leaking Water: What to Check First
Water dripping from a wall-mounted air conditioner usually means condensate is not draining as intended, although high indoor humidity can also create harmless surface condensation. The safest first checks are the outdoor drain hose, its routing and outlet, the air filter, and whether the indoor unit appears properly installed and level. Table of Contents Why a Wall-Mounted Air Conditioner Produces Water Safety First: What to Do When Water Starts Dripping Check the Outdoor Drain Hose First Blocked Drain vs. Other Causes Check the Air Filter and Airflow Check Whether the Indoor Unit Has an Installation Problem When Water Droplets May Be Condensation Rather Than a Drain Failure What If Your System Uses a Condensate Pump? When the Leak Needs Professional Service Common Mistakes to Avoid Situation-by-Situation Troubleshooting Guide Quick Checklist Before You Call for Service Frequently Asked Questions Key Takeaways Sources and Methodology If the leak is heavy, continue...