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Your air conditioner is leaking water? 7 reasons why

Oct 20, 2022Zen Dry


The air conditioner is a critical part of any home. Whether it is the comfort you need in your office or the health of your family playing online, the AC plays a major role. And, If you live in one of the hottest states in the US, such as Atlanta, you definitely use the air conditioner non-stop, hence there is a high chance of leakage, but don't worry, we have compiled a guide with 7 likely reasons why your air conditioner is leaking water.


Here are the7 reasons that may be causing your AC to leak water.

The condensate drain line of the ac unit is clogged with dirt and dust 

If your AC is leaking water, it could be because the condensate drain line is clogged with dirt and dust. This can cause the water to back up and leak out of the AC unit. To fix this, you will need to clean the condensate drain line and make sure that there is no blockage.

Your Air Conditioner Doesn’t Have Enough Refrigerant

Your AC doesn't have enough refrigerant. This can happen if there's a leak in the system. Refrigerant is what helps to cool the air, so if there's a leak, the air conditioner won't work as well.

Air Filter Accumulated a Lot of Dirt

An air filter is a vital component of an AC unit, as it helps to remove contaminants from the air before it enters the AC. If the air filter becomes clogged with dirt and debris, it can cause the AC to leak.

Drain Pan Got Rusted or Damaged

If the drain pan in your air conditioner gets rusted or damaged, it can cause the AC to leak. This can be a serious problem, as a leaky AC can lead to water damage in your home. If you notice that your AC is leaking, you should check the drain pan to see if it needs to be replaced.

Broken condensate pump

If your condensate pump is broken, it can cause your AC to leak water. This is because the pump is responsible for removing the water that condenses on your AC unit. If the pump is not working, the water will build up and eventually leak out. Note that if it's broken and the AC is installed in a basement then water can’t be pumped outside of the home any longer.

Frozen Evaporator Coil

If you’re thinking “ Why is my air conditioner dripping water” this can be because your evaporator coil freezes. The frozen coil can no longer absorb heat, causing the water to condense and drip. To prevent this from happening, make sure to keep your AC unit clean and free of debris.

Uninsulated metal ducting or lines

If you have metal ducting or lines in your home that are not properly insulated, they may be causing leaks due to condensation. This can be a serious problem, as it can lead to water damage or even mold growth. If you suspect that this is the case, you should have a professional inspect your home and make the necessary repairs.


What to do when the air conditioner leaks water? Here are 5 things to consider.

  • Turn the air conditioner off: This will stop the flow of water and give you time to fix the leak. And as it could also cause further damage to the unit.

  • Change Your Air Filters: To clean the filters, first, turn off the power to the AC unit. Then, remove the filters and rinse them with water. If they are very dirty, you may need to replace them. Once the filters are clean, put them back in place and turn on the power to the AC unit.

  • Clean the Condensate Drain Line: To clean the line, you can use a long wire brush or wet/dry vac. This will clear out any obstructions and allow your AC to function properly again.

  • Replace your Drain Pan and make sure it Is the Right Fit: If your AC drain pan is too small or big, it may cause leaks. Replace your drain pan and make sure it is the right fit for your unit to fix this problem.

How to protect your AC from leaking In the Future:

Here’s how to protect your AC from future leaking.

Don’t Overwork Your Air Conditioner When It’s Hot Outside

If it's hot outside, don't overwork your air conditioner. Let it run for a while to cool down your home, then turn it off for a bit. This will help your AC last longer and keep your energy bills down.

Do not operate the AC unit if the outside temperature is too cold

If the outside temperature is too cold, do not operate the AC unit. This could damage the unit and cause it to malfunction. It could also cause the coils to freeze which will harm the unit.

Have a regular maintenance

Leaks can cause damage to your home and be expensive to repair. By having regular maintenance, you can avoid these problems and keep your air conditioner running smoothly. Make sure to have an expert do maintenance on your AC system before the summer season.

Where to find Air Conditioning Repair Services in Marietta, GA?

If you're looking for air conditioning repair services in Marietta, GA. VisitZen Dry, we are a reliable company with broad expertise and we offer a lot of services. We are also available 24/7 and ready to help.

Final Words

If your air conditioner is leaking water, it could be for any number of reasons. It's important to identify the source of the leak and get it fixed as soon as possible to avoid further damage.

Some common reasons for an air conditioner to leak water include:

  • A clogged drain line

  • A faulty condensate pump

  • A cracked pan

  • A problem with the evaporator coil

  • A refrigerant leak

  • A problem with the condenser unit

If you suspect your air conditioner is leaking water, contact a qualified company for diagnosis and repair.


Can a leaking AC cause a fire?

Yes. The leaks can drip onto electrical wiring, causing a fire. If you have a leaking air conditioner, have it repaired immediately by a professional. 

How do I know if my AC drain line is clogged?

If your AC unit is leaking water, it is likely that the drain line is clogged. To check if the drain line is clogged, pour a cup of water into the drain pan. If the water does not drain within a few minutes, the drain line is likely clogged and you will need to clear it.

Is water leaking from the air conditioner dangerous?

There are a few things to consider when answering this question. The first is the source of the water. If the water is coming from the condensation line, it is not typically harmful. However, if the water is coming from the supply line, it could be contaminated and therefore dangerous. The second thing to consider is the amount of water that is leaking. A small amount of water is not typically harmful, but a large amount of water could be dangerous.

What's a Normal Amount of Water to Leak from My Air Conditioner?

There's no need to worry if you see a little water leaking from your air conditioner. In fact, it's quite normal for AC units to drip a little bit of water, especially during humid weather. The water is simply condensation that has built up on the cooling coils inside the unit. To prevent the water from dripping onto the floor, most AC units have a small drain pan that collects the water and then drains it outside through a small hose.


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