Your air conditioning system isn’t a water-using appliance like the water heater, washing machine, or dishwasher in your house. So if you start to see water leaking from the base of the AC cabinet in your home, you may feel a bit confused. Where is the water coming from, and does it mean you need HVAC repair?
For homeowners and occupants dealing with water around an indoor AC unit, HVAC repair usually means finding and fixing the fault behind the leak often in the condensate drainage system before it leads to a shutdown, mold growth, or poorer indoor air quality. Water leaking from an AC is actually a common occurrence, and it’s also one that usually requires repairs from licensed HVAC technicians. Below, we’ll explain the common causes of an AC leaking water, including cracked drain pans, algae buildup, broken condensate pumps, and corroded drains, so you know when to call for professional help. We can handle any AC repair in Hart County you may need for your air conditioner, so please feel free to call us when you’ve noticed water pooling around your air conditioner.
Water and the AC
Although your air conditioning system doesn’t use water to run, water is a part of its cooling cycle. You may have already guessed this because if you listen to the sounds your AC makes as it runs, you’ll occasionally hear the sound of water dripping. If you’ve ever had to deal with a window AC unit, you’ll also know the water drips from the outside half of the unit and onto the ground.
This is condensate moisture. As the air conditioner runs, it pushes cold refrigerant through the indoor coil. When warm air comes into contact with the coil, the refrigerant evaporates and absorbs heat from the air, cooling it down. Low refrigerant levels can also contribute to poor airflow and inefficient operation in an HVAC system.
The evaporation also causes moisture in the air to condense along the surface of the coil; it’s the same effect as when moisture forms on the outside of a glass of cold water. This water has to go somewhere, and the AC has a condensate drainage system set up to handle it.
The water drips down from the coil assembly into a shallow pan beneath it. From there, a condensate pump pulls the water down a drain and out a line. The water eventually drips outside of the house. Other warning signs that point to a repair job include weak airflow, inconsistent room temperatures, unusual sounds like grinding or squealing, sudden spikes in utility bills, and musty odors that can signal mold in ductwork. Dirty air filters can also reduce airflow, so change them regularly to help the system do its job.
Condensate Drainage Trouble
Like any part of an AC, the condensate drainage system can run into problems that will lead to water leaking out of the AC, and this is just one type of hvac issue handled by our hvac company serving Athens, with broader air conditioning services that also cover heating and air conditioning service, thermostat diagnostics, ductwork and ventilation fixes, heat pumps, and maintenance services. We work on major brands, and our experienced technicians, highly trained team, certified technicians, and licensed contractors diagnose problems across different systems:
- The plastic condensate pan can crack because of long exposure to heat, leading to water leaking from the bottom of the pan and out of the AC.
- Algal growths can start to grow inside the drain, causing the condensate water to rapidly overflow the shallow pan (it’s only about an inch deep).
- A broken pump will make it harder for water to flow out of the pan and also lead to an overflow, and severe leaks or shutdowns may require urgent repairs, with same day appointments sometimes available for leak-related AC repair needs.
- If the drain corrodes, it will detach from the bottom of the pan and leave a hole for water to leak through.
A repair service should find the root cause before sealing a leak or clearing a drain. If damage is extensive, we can also discuss AC replacement, including whether installing a new system makes more sense than continued repairs, with practical guidance for Athens homeowners.
You want water leaks stopped as soon as you notice them. Emergency HVAC services are available 24/7 in Athens, GA, and technicians can arrive within three hours for emergency repairs. Routine inspections and seasonal tune-ups twice a year, along with maintenance services and service agreements, help improve reliability and optimal performance, reduce service emergencies, and keep your comfort system running at peak performance year long.
Annual maintenance can extend HVAC system lifespan by 5-10 years and help customers avoid costly repairs. These leaks can cause the air conditioner to abruptly shut down when the limit switch trips, and leaving too much water inside the AC will lead to mold and moisture growth inside the unit, which can also affect the family’s health. Our AC repair pros provide professional repair for the air conditioning or cooling system so it gets back to normal fast, and emergency AC and heating repairs may also be needed from specialists when comfort is affected. Well-stocked service vehicles support reliable service during emergency HVAC issues while serving Athens. Setting the thermostat more than 20° below the outside temperature can also put excessive strain on the AC system. Watch for warning signs like strange noises, reduced airflow, or repeated shutdowns. As a local business, we focus on helping customers protect comfort and system reliability.
JN Electrical Temperature Control, Inc works hard to ensure customer satisfaction with custom comfort solutions. Call us for any air conditioning repair you need.
