Is Your AC or Heat Pump Leaking? Here’s What It Means & What To Do


Horizon Air technician testing outdoor AC unit next to a brick home.

As temperatures soar, our reliance on air conditioning systems and heat pumps increases. But what do you do when you spot a puddle of water near your unit?

If your AC or heat pump is leaking water, it’s important to address this issue promptly to prevent damage to your home or system. Here are some of the most common causes and solutions.

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What Makes My Heat Pump Leak?

Water leaks from a heat pump can be alarming, but sometimes, they’re just a part of its normal operation. Here’s what might be behind them:

  • Normal condensation: During the cooling process, it’s natural for condensation to form. Usually, this condensation drains away, but sometimes, there can be issues that cause it to leak or puddle.
  • Condensate drain clog: Dust, mold, or algae can build up in the drain lines and eventually clog the drain, causing water to back up and overflow.
  • Frozen evaporator coil: When the coil freezes, it can lead to melting ice and water dripping.
  • Dirty heat pump coil: A dirty coil can cause the system to malfunction, leading to potential water leaks.

What To Do if Your Heat Pump Is Leaking Water

If you notice your heat pump leaking water, don’t panic. Turn off the unit and try these troubleshooting steps:

  • Check the filters to see if they need to be cleaned or replaced.
  • Check if the unit is in defrost mode since some water discharge can be typical in that setting.

Keep in mind that your leak may not be a problem. A bit of water or condensation can be normal, especially during humid days. But, if the leak is significant or consistent, it’s time to call a professional for service.

Why Is My AC Leaking Water?

Finding your air conditioner dripping water can be troubling, but knowing some common causes can help you understand what to do next.

Here are potential reasons you see water leaking from your AC system:

  • Clogged condensate line: Over time, this line can become blocked with dirt or mold, preventing water from draining.
  • Frozen coil: A lack of airflow around the coil or low refrigerant can freeze the coil, leading to leaks when it melts.
  • Dirty air filter: This can restrict airflow, causing the coil to freeze.
  • Old drain pan: Over time, drain pans can rust and develop holes, which can then leak.
  • Clogged drain line: Like the condensate line, drain lines can become blocked and develop leaks.

What To Do if Your AC Is Leaking Water

When you spot water puddles or drips around your AC, it’s important to act quickly. Leaks can harm the efficiency of your system and lead to larger household issues like water damage.

Thankfully, with a bit of proactive care, you can address some common problems on your own:

  • Check and change the air filter if it’s dirty.
  • Inspect the drain pan for damages and consider replacing it if it’s old.
  • If you’re comfortable, gently inspect the drain line for obvious clogs.

For a comprehensive AC solution, especially involving refrigerant levels or deep cleaning, it’s best to consult a professional.

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Schedule AC or Heat Pump Repair Today

Don’t let a leaky AC or heat pump disrupt your peace of mind and comfort. At Horizon Air Solutions, we always put our customers first. Our team consists of background-checked technicians who are driven by a commitment to ethical, honest, and ambitious services.

As a family-owned and -operated business, we offer upfront pricing with no hidden costs. Plus, our expertise allows us to craft custom solutions tailored to meet the needs of your home.

Call (346) 988-2977 to schedule your HVAC service today.

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