July 9, 2024 •Reid Geiler
Water dripping from your inside AC unit can be alarming, but it's a common issue that many homeowners face. Understanding the possible causes can help you address the problem promptly and prevent further damage. Here are some common reasons why your inside AC unit might be leaking water:
- Clogged Condensate Drain Line
The condensate drain line removes the moisture your air conditioner extracts from the air. Over time, this drain line can become clogged with dirt, dust, or mold, causing water to back up and overflow from the unit. Regular maintenance and proactive cleaning of the drain line can prevent this issue.
- Dirty Air Filter
A dirty air filter can restrict airflow over the evaporator coil, causing the coil to freeze. When the ice on the coil melts, it can overflow the drain pan and result in water dripping from the unit. Changing or cleaning your air filters regularly, ideally every 1-3 months, is crucial to ensure proper airflow and prevent freezing.
- Low Refrigerant Levels
Low refrigerant levels can also cause the evaporator coil to freeze. When the coil eventually thaws, the excess water can overflow the drain pan. Signs of low refrigerant levels include reduced cooling capacity, hissing or bubbling sounds from the AC unit, and ice buildup on the refrigerant line. Call a professional HVAC technician to inspect and recharge your system if you notice these signs.
- Damaged or Rusted Drain Pan
The drain pan collects water from the evaporator coil before it drains away. Over time, the drain pan can become damaged or rusted, leading to leaks. Inspecting the drain pan for damage and replacing it if necessary can resolve this issue.
- Improper Installation
Improper installation of your AC unit can result in poor drainage. If the unit is not level, water might not flow into the drain line as intended, causing it to leak. To check if your AC unit is level, place a spirit level on top of the unit. Ensuring your unit is installed correctly by a professional can prevent drainage issues.
- High Humidity Levels
High humidity levels can increase the amount of moisture your AC unit extracts from the air. If your AC unit cannot handle this excess moisture, it can lead to water leakage. Using a dehumidifier with your AC can help manage high humidity levels by removing excess moisture from the air before it reaches the AC unit, thereby reducing the workload on the AC unit and preventing water leakage.
- Blocked Air Vents
Blocked air vents can restrict airflow, causing the evaporator coil to freeze. Check that all vents are open and unobstructed to maintain proper airflow and prevent the coil from freezing.
What to Do If You Notice Water Dripping from Your Inside AC Unit
If you notice water dripping from your inside AC unit, here are some steps you can take:
- Turn off the AC: Prevent further damage by turning off the unit.
- Check the air filter: If it's dirty, clean or replace it.
- Inspect the drain line: Clear any visible clogs in the condensate drain line.
Contact an HVAC professional: If the problem persists, it's best to call a professional HVAC technician trained to diagnose and fix AC issues, inspect them, and fix them. Regular maintenance and timely repairs can keep your AC unit running efficiently and prevent water leakage. If you need assistance with your HVAC system, rest assured that the Geiler Company is here to help. Our experienced technicians can diagnose and fix any issues, ensuring your home stays cool and comfortable all year round. Contact us today for expert HVAC services.
Understanding the causes of water dripping from your inside AC unit can help you take prompt action and prevent further damage. Whether it's a clogged drain line, a dirty air filter, or another issue, addressing the problem quickly can save you time and money. If left unaddressed, water leakage can lead to mold growth, damage to your AC unit, and even structural damage to your home. For professional HVAC services, trust the experts at the Geiler Company to keep your system in top shape.