Air Conditioner Spitting Water and Making Noise- Easy Fix

Air conditioner spitting water
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An air conditioner is like a dehumidifier. It sucks the heat from the air to provide energy for the vaporization coils that bring about vaporization. The moisturized air around the coils condenses on the coils to form droplets.

The droplets drip into the drain pan, which is moved to the outside using some pipes. If water starts to spit from the front of the air conditioner, it shows a problem with the drainage system of the AC.

When water gets into the sensitive areas of the air conditioning unit, it might cause damage accompanied by cracking and popping sounds. The noises always occur immediately after the water in the air conditioner has been spotted heavily.

Reasons why the air conditioner is leaking water

Reasons why the air conditioner is leaking water

There are different reasons why you may find your air conditioner is leaking, splitting the water outside. This article will learn what might be happening to your air conditioner and the steps that one is supposed to follow to fix the problem.

Blockage of drainage pipes

The air conditioning system can be blocked by dirt and waste. The debris always blocks the condensed air from flowing through the pipe to the drainage system.  Due to this blockage, the water in the pipe will not flow outwards, which will cause it to leak into the air conditioning unit.

Dirty air filter

Clean Vs Dirty ac air filter

The air conditioning filters always become dirty due to the air flowing through them.  The dirty filters will prevent the airflow over the evaporating coils, which will cause the temperature in the coils to drop to a freezing level. As a result, excess water is dripped in the drainage pan due to the ice that is formed over the coils.  The excess water in the drainage pan will start to leak through the main unit, causing splitting

Poor installation of the air conditioner

When a new or recently installed air conditioner is leaking, the possible problem is the poor installation. It shows that the air conditioner and the drainage pipes are not installed proportionally. The proportional installation of the drainage pipes will cause the water to flow back or remain in the same position as it will not flow ahead. To avoid this problem, make sure that the main unit is higher than the pipes during the installation. This kind of installation will allow the water to flow downwards to the drainage outlet.

Damaged pan

In some cases, the drainage pan may be damaged by rust or any other thing. When the pan is damaged, the condensate collected there will leak, and the leaked water may flow out through the main unit. Such a situation will cause water to split through the air conditioner, making noises.

Low air conditioning gas

Low air conditioning gas

When the air conditioner’s air is low, it increases the air pressure inside the AC system. The low pressure will cause the evaporator coils to freeze, causing an overflow in the drainage pan. The excess water in the pan will flow out through the main system unit. As a result, the flowing water will split, causing popping noises.

How to fix a leaking air conditioner

Leaking Air Conditioner falling water

Make re-installation

If you find that the leakage problem is caused by the bad installation of the air conditioner, make sure that you reinstall the air conditioner again. The drainage pipes should be at a lower position than the main supply.

Unblock the blocked drain pipes

The most common cause of water leakages in the air conditioner is clogged pipes. Since the pipes are located outside near the condenser, it is subjected to much debris such as algae that may build up inside, causing a blockage. This blockage causes the water to flow backward.

If this happens, you should turn off the air conditioner or disconnect it from the power supply.

Step2:  Go outside and locate the line or the pipes that are connected to your air conditioner.

Step 3: use a wet-dry vacuum that is smaller than the pipe opening. Make sure that the vacuum and the pipe give you an air-tight seal.

Step 4: once the two are connected, switch on the vacuum and let it on for 3 to 4 minutes.

Step 5: switch off the vacuum. When you turn the vacuum off, you will see algae and other debris that has blocked the pipes in the water. If the water is filled with that, it means that the problem of blockage is solved.

Again the use of chlorine can solve the problem of water blockage. When you run chlorine through your pipes after every six months, the algae is kept away from coming back to create a blockage.

Check the drainage pan 

Check the drainage pan

The drain pan is located under the air conditioning main unit. The pan is useful in catching the condensation that comes from the system. When the drainage pan is cracked or damaged, it will not be able to retain water. The water will be leaking out into the unit system. If the drain pan is leaking, you can repair it using epoxy. However, it is better to replace the whole drain pan with a new one for a solution that will last longer.

Clean the air filter

Clean the air filter

The air filter is an important part of the air conditioner. It filters the air that is entering the system. The air filter is found directly in the unit, and it’s usually visible from the outside. When the filter is dirty or clogged, you should ensure that you change it frequently. It is advisable to change the filters after two to three months.

How to tell whether your air conditioner is leaking

  • Standing water in your AC. Find any drip, and when you find one, it’s likely to be from your air conditioner.
  • When the condensation fan is full, it means that there is water that has probably overflowed.
  • When there is a moldy smell in the house, there is stagnant water somewhere in the house. Probably, the water might be from the leaking air conditioner.
  • When you see some water sports near the surroundings of the air conditioner. For example, on the nearby floor on the fan.

Typically, water spilling into the air conditioner is caused by the clogging of the drains. An air conditioner working right should let the condensed moisture flow through the AC unit and into the drain pipes. The best way to make sure that your air conditioner performs perfectly always is to do maintenance, use filters of high quality, and perfectly trap the debris, preventing them from entering the air.


The air conditioners are most important during the summer when the environment is very hot. When the air conditioning system is fine and smoothly functioning, you don’t need to take it for servicing. The servicing of the air conditioner when it is not bad can cause the parts of the air conditioner to malfunction.

In conclusion, it is always good to know the things you should check when the air conditioner is leaking water so that you can be able to solve the problem by yourself.  When you have the correct diagnosis, it is simple to fix most air conditioner leaks before they worsen. If you cannot fix the problem or don’t understand the issue, it is necessary to seek services from a professional technician.

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