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Serving Katy, TX and the Surrounding Areas

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Serving Katy, TX and the Surrounding Areas
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AC Comfort Blog

Why Is My Air Handler Leaking Water?


As the trusted HVAC experts in your community, we understand the importance of a well-functioning heating, ventilation, and air conditioning (HVAC) system. The air handler, a crucial component of your AC or heat pump, plays a pivotal role in maintaining indoor comfort. However, when you notice water pooling around your air handler, it can be a cause for concern.

In this guide, we’ll explore the common reasons behind air handler water leaks and provide valuable insights from our experienced team to help you address the issue promptly with air handler repair in Cypress, TX.

Common Causes of Air Handler Water Leaks

Clogged or Dirty Air Filter

A dirty or clogged air filter is a common culprit behind air handler water leaks. When the air filter is congested with dust and debris, it restricts the airflow, causing the evaporator coil to freeze. As the ice melts, excess water is produced, leading to leaks around the air handler.

Regular filter maintenance is essential to prevent this issue. We recommend checking and replacing your air filter every 1–3 months, depending on usage and the type of filter.

Condensate Drain Line Issues

The condensate drain line is responsible for carrying away the water produced during the cooling process. Over time, this drain line can become clogged with algae, mold, or debris, causing water to back up and leak from the air handler.

DIY maintenance can include pouring a mixture of bleach and water down the drain line to inhibit microbial growth. However, for a thorough cleaning and inspection, it’s advisable to seek professional HVAC services.

Refrigerant Leaks

Refrigerant is vital for the cooling process, and any leaks in the system can lead to water leakage around the air handler. If you notice a decline in cooling efficiency, higher energy bills, or hissing sounds, it could indicate a refrigerant leak.

Refrigerant-related issues require immediate attention from HVAC professionals. Attempting to fix refrigerant leaks without the right expertise can lead to further damage and increased repair costs.

Frozen Evaporator Coil

A frozen evaporator coil can also contribute to water leakage. When the coil freezes, it creates an excess of water that overflows the drain pan, causing leaks. This issue is often a result of restricted airflow, low refrigerant levels, or a malfunctioning blower.

Regular system maintenance, including checking and cleaning the evaporator coil, can help prevent freezing issues. If you notice ice buildup, turn off the system and consult with HVAC experts for a thorough inspection.

Signs and Symptoms of Air Handler Water Leaks

Identifying the signs of air handler water leaks is crucial for prompt intervention. Watch out for:

  • Water puddles around the air handler.
  • Unusual sounds or gurgling noises during system operation.
  • Reduced cooling or heating efficiency.
  • Foul odors emanating from the system.

Professional HVAC Services

Our team of experienced HVAC professionals is dedicated to ensuring the optimal performance of your system. Our services include thorough Inspections and expert repairs. We Also offer preventive maintenance plans to keep your HVAC system in top condition, preventing potential issues before they arise.

Remember, our HVAC experts are just a call away, ready to provide the professional assistance you need for a reliable and leak-free HVAC system.

At AC Comfort, your comfort is our business! Serving Katy, TX and the surrounding areas—call us today for service for your AC or heat pump.

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