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Why Is My Heat Pump Leaking Water?

If you have a heat pump at your Southern California home, you may notice that it appears to be leaking occasionally. When you notice your heat pump is leaking water, you need to know whether this is a problem or a normal part of your system’s operation. The team at Aladdin Air Conditioning & Heating provides heat pump repair and replacement services in Ventura County.

Heat pump leaking? Call Aladdin AC in Ventura County at (805) 480-0327 or (818) 991-5684 in the San Fernando Valley. You can also contact us online now!

Common Causes of a Leaking Heat Pump

If you’ve noticed water pooling around your heat pump, or water dripping that’s more than normal condensation, then its time to take a closer look as to what’s going on.

Common Cause #1: Clogged Drain Line

One of the most prevalent reasons for a leaking heat pump is an issue with the condensate drainage system. During the cooling process, heat pumps remove humidity from the air, creating condensation. This water is typically collected in a pan and drained away. However, if the drain line becomes clogged with dirt, debris, or algae, the water can back up and overflow, resulting in leakage around the unit.

Common Cause #2: Frozen Evaporator Coils

Another common cause of leaking water from a heat pump is from ice melting on the cooling coils. This happens when the system loses refrigerant. Leaks in refrigerant will cause ice to build on the coils. When the ice melts, it creates puddles below the unit that makes it look as though the unit is leaking. Alternatively, if the heat pump’s evaporator coils freeze due to inadequate airflow or refrigerant issues, then the ice can melt and lead to water leakage around the unit. This can happen when the heat pump operates in cooling mode under low outdoor temperatures or when the air filters are dirty and restrict the airflow.

Common Cause #3: Defrost Cycle

During the heating season, heat pumps go through a defrost cycle to melt accumulated frost on the outdoor coils. If you notice water pooling at your outside unit during the winter, chances are this is part of your heat pump’s normal operation. The unit is designed to defrost the outdoor unit to melt ice when the condensation starts to freeze. This water will drip to the ground and re-freeze and is not an indication of a leak.

These are three of the most common causes of water puddling or pooling around a heat pump, or otherwise leaking water. However, if you are noticing your heat pump leaking water, it’s always a good idea to get it checked out by a licensed, reputable HVAC professional.

Contact Aladdin AC online or call (820) 999-2985 in the San Fernando Valley or (820) 999-2985 in Ventura County for heat pump repair service!

Get Help With Your Leaking Heat Pump in Southern California

If you have noticed water leaking or pooling around your indoor or outdoor heat pump unit and would like a licensed HVAC professional to take a look, contact us — we’re happy to help. We provide a range of heat pump services and have decades of HVAC experience in the local Ventura and San Fernando, CA, area.

Our heat pump services include:

  • Routine Heat Pump Maintenance: While heat pumps are reliable, long-lasting HVAC systems, regular use causes normal wear and tear, that can make them less efficient over time. Routine maintenance can keep your heat pump in peak condition season after season.
  • Heat Pump Repair: If there is an issue with your heat pump and it’s in need of repair, give us a call. We’ll diagnose and resolve the issue, getting your home back to comfortable as quickly as possible.
  • Heat Pump System Replacement & Installation: If you’re looking to have a heat pump installed, or need your heat pump replaced, contact us online now! We’re a Carrier-authorized heat pump dealer with over 30 years of HVAC experience in the Southern California area.

If you’re looking for help with your heat pump, HVAC system, or need other services that we can provided, please give us a call! You can reach us at (805) 480-0327 in Ventura or at (818) 991-5684 in the San Fernando Valley, or contact us online now

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Office Location

1090 Lawrence Dr. #105
Newbury Park, CA 91320

License #739136


Ventura County


San Fernando Valley