top of page

A Chilling Problem: Leaky and Ineffective Air Conditioning Leaking

Florida's scorching summers leave no room for an air conditioner on the fritz. But what happens when your once-reliable cooling system starts leaking and fails to keep your home comfortable? It can be a frustrating situation, but don't panic! Essential Air and Heat is here to guide you through troubleshooting common issues and getting your AC back on track.

Leaky Air conditioner will not cool home

Why is my air conditioning leaking?

Understanding the Leak:

First things first, identify the location and source of the leak. Your air conditioning leaking is a sign to call an HVAC professional. Here are the usual suspects:

  • Clogged condensate drain line: This is the most frequent culprit. As your AC operates, it condenses moisture from the air, which collects in a drain pan and exits through a drain line. Over time, this line can become clogged with mold, dirt, or debris, causing the pan to overflow and leak. Call Essential Air and Heat for a yearly checkup.

  • Damaged drain pan: Cracks or holes in the drain pan itself can also lead to leaks. This is more common in older units or those exposed to harsh weather conditions. Florida sun can dry rot plastics, so have your Air Conditioner Unit Inspected twice a year.

  • Frozen evaporator coil: This occurs when the evaporator coil, responsible for absorbing heat from your home's air, gets too cold and freezes. This can happen due to low refrigerant levels, dirty air filters, or restricted airflow, causing the condensate to back up and leak. If you notice frost on any part of your Air Conditioner, call Essential Air and Heat for Service before it's too late!

Addressing the Leak:

DIY Solutions:

  • Check the drain line: Locate the drain line, usually a PVC pipe near your indoor unit. Look for any visible clogs or kinks. You can try clearing a minor clog using a wet/dry vacuum or a thin wire (always disconnect the power before attempting this). However, for more stubborn clogs or concerns about damaging the line, it's best to call a professional.

  • Replace the air filter: A clogged air filter restricts airflow, leading to a variety of problems, including frozen coils and leaks. Replace your air filter at least once a month during peak cooling season. Air Conditioner Filters should be replaced at least twice a year to prevent air flow.

Call an A/C Professional:

  • Complex clogs: If you're unable to clear the clog yourself or suspect a deeper issue, call a qualified HVAC technician. They have the expertise and tools to safely and effectively address the problem.

  • Damaged drain pan: Replacing a damaged drain pan requires specific knowledge and tools. Leave this task to a professional to ensure proper installation and prevent further leaks. This is best left to a professional so you don't cause a bigger isue.

  • Frozen evaporator coil: Diagnosing and fixing a frozen evaporator coil requires expertise. A technician can identify the underlying cause (low refrigerant, dirty filter, etc.) and take the necessary steps to address it, preventing future leaks and ensuring efficient cooling.


Beyond the Leak: Addressing Ineffective Cooling:

While a leak is a telltale sign of trouble, an AC not cooling your home effectively can have various causes. Here are some additional troubleshooting tips:

  • Check the thermostat: Ensure the thermostat is set to "cool" and the desired temperature is lower than the current room temperature. Temperature settings change depending on the outside air temperature. In the Spring, 74 could be warmer than 74 in Summer when the outside air is over 80 degrees.

  • Clear blocked vents and return air grilles: Furniture, rugs, or debris blocking vents can significantly reduce airflow, hindering cooling. Your A/C system needs air circulation to work correctly.

  • Inspect the outdoor unit: Ensure the outdoor unit is free of debris, leaves, or overgrown vegetation that can restrict airflow.

  • Schedule regular maintenance: Regular professional maintenance helps identify potential problems early on and ensures your AC operates efficiently.


An air conditioner unit can freeze due to several reasons, all of which disrupt the delicate balance of heat exchange. The most common culprit is restricted airflow. A clogged air filter, blocked vents, or a damaged fan can prevent warm air from reaching the evaporator coil, causing it to overcool and freeze. Additionally, low refrigerant levels can reduce the coil's ability to absorb heat, leading to freezing. Finally, improper thermostat settings set to excessively cold temperatures can keep the compressor running for extended periods, causing the coil to become too cold and freeze. If you notice your AC unit is frozen, it's crucial to address the underlying cause to prevent further issues and ensure efficient cooling.

When to Call a Professional:

If the DIY solutions above don't resolve the issue, or if you're uncomfortable attempting them, don't hesitate to call a professional HVAC technician. They can diagnose the problem accurately, recommend the most suitable solution, and ensure your AC is repaired and functioning properly, keeping your home cool and comfortable throughout the summer.

Remember: Ignoring an AC leak or neglecting an ineffective cooling system can lead to further problems, including higher energy bills, potential water damage, and even equipment failure. By being proactive and taking the necessary steps, you can ensure your AC system runs smoothly and efficiently, keeping your home cool and comfortable all summer long.

Essential Air and Heat is here to help! We offer comprehensive AC repair and maintenance services to ensure your home stays cool and comfortable year-round. Contact us today for a free consultation and let our experienced technicians handle your AC woes.

10 views0 comments


bottom of page