3 Reasons Your Air Conditioner Is Leaking Water

Posted On: June 4, 2021

Close-up of outdoor HVAC unit next to a brick home.

You come home to see a wet spot on the ceiling or attic floor. What does this mean, and what should you do? This could be a sign that there’s an urgent issue with your indoor AC unit.

Short Pump Heating & Air is here to share the three main reasons for this issue and what you need to do to get it fixed.

  1. Frozen evaporator coil: Your AC runs using an evaporator coil that has refrigerant running through it. This makes the coil very cold during part of the cooling cycle. Several issues, including a refrigerant leak or airflow restriction, can cause ice to form on the coil, which can cause big issues for your AC. It will start to lose its cooling power and overheat. As the frost melts, it drips and can cause that wet spot on your ceiling or floor, leading to more problems. At this point, you need to call Short Pump Heating & Air.
  2. Old or damaged drain pan: While cooling your home, the AC unit works to absorb heat and collect moisture from your home’s hot air. The refrigerant in your system then absorbs the heat and humidity into the evaporator coil, and condensed water trickles down into your drain lines or drain pan. Over time, the drain pan can get rusty and crack, which will cause trickling water to leak into your home.
  3. Clogged drain line: The water that collects in your indoor system’s coil or drain pan needs to leave your home through a drain line. Many things can cause this drain line to clog, but the biggest culprits are mold, dust, and debris. If the water has nowhere to go, it will end up leaking into your house. The best way to solve this problem is to call an HVAC technician to come and unclog your drain line, so water can exit the house properly.

Are you seeing wet spots in your home, or do you suspect water is leaking from your indoor system?

Schedule a service with the pros at Short Pump Heating & Air. Contact us online or call 804-364-9040 today. 

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