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How To Fix Water Dripping From Split AC Indoor Unit

By Aztil –

Water Dripping From AC Indoor Unit

When you come back home after a day’s hard work, you want to kick back and relax. Interrupting your relaxation is the constant drip-drip of water. Water dripping from split AC indoor unit is not only annoying but also an eyesore in your otherwise beautiful home. Good news is that you are not the only one suffering from this problem and there are lots of things that you can do to contain it. So, first and foremost, remember to get seasonal maintenance of your HVAC unit done by professionals. Once the servicing is completed, keep checking your unit for any apparent troubles.

How To Fix Water Dripping From Split AC Indoor Unit

If water is dripping from the split AC indoor unit, do not be alarmed. It can easily be fixed either by you or with the aid of HVAC professionals. However, before doing anything, disconnect the unit and dry any wet areas caused due to dripping water. Also, ask yourself whether you are comfortable opening the indoor unit and tackling the problem on your own. If you have any doubts, its best to let the professionals take care of the problem. If you are sure, here are a few things which you can do to rectify the problem:

  • Blockage In Condensation Drain Line – Accumulation of dirt, sludge, debris, mold, algae, and fungi can cause clogging of the drain line. As a result, the water formed due to condensation is unable to drain, causing overflow which spills inside your house.

How To Fix – You need a vacuum with a hose attachment to fix this problem, a bucket and a screwdriver. Open the front section or panel and remove the filters. Then remove the front panel and locate the pipe which drains the water. Disconnect these pipes and collect the excess water inside them in a bucket. Once it is completely drained, suction out the blockage using the vacuum cleaner. After this, pour a small quantity of vinegar or chlorine bleach down the drain pipes to kill any bacteria and fungi.

  • Disconnected Drain Line – Drain line drains the water collected in the drip pan. If this line is disconnected it fails to empty the pan and it overflows causing water leakage inside.

How To Fix – Fixing this problem is simple. All you need to do is connect the drain pipe to the drain pan. However, if the pipe keeps disconnecting easily, you may have to replace it altogether to avoid future occurrence of the issue.

  • Cracks or Holes In Drain Pan – Due to corrosion or rusting the drain pan can develop cracks or holes. These holes may cause water to leak through the indoor unit.

How To Fix – To fix cracks or holes in a drain pan you need a vacuum cleaner to suction out the standing water, flashlight and epoxy glue. To begin with clear out all the water inside the drain pan using a wet vacuum cleaner. Once it is empty, shine your flashlight through the entire length and breadth of the drain pan to detect leaks. Using epoxy glue close all the leaks. If the cracks are too many, best would be to replace the entire drain pan with a new one.

  • Dirty Air Filters – Seemingly a small thing, but dirty air filters can cause the freezing of evaporator coils due to an inadequate passage of air.

How To Fix – This one is relatively easy. All you need to do is either clean the dirty air filters with a brush and water. Else, at the peak of the season, you can change it every four to six weeks.

  • Frozen Evaporator Coils Due To Low Refrigerant Level – Low refrigerant level also causes the freezing of evaporator coils, which in turn cause water to drip from split AC indoor unit.

How To Fix – This is one problem best handled by HVAC professionals. It because they need to find the source of a refrigerant leak, seal it, and top the level to adequate. It is something which is critical to the working of an AC, so leaves no room for any error. Since you are not well versed in such technicalities refrain from experimenting. Give us a call today.

  • Faulty Installation Of The Unit – To err is human. For all that matters, the installation of your AC may not be correct. While installing, somebody may have made a mistake which causes water dripping from the split AC indoor unit.

How To Fix – If after checking you found no obvious source for water dripping, you should call in the HVAC experts. Only they can help you understand if it is an installation issue and fix it. Again, it is something you cannot do on your own.

  • Faulty Condensation Pump – If the condensation pump is faulty, it too can cause dripping of water inside from the AC indoor unit. This is something you cannot check on your own.

How To Fix – Book an appointment with the HVAC expert to handle this problem correctly. Do not tinker with your AC unit on the assumption you can correct the problem all on your own. For all you may know, you might just make a bigger muddle of things with your limited knowledge in this field.

Why Call HVAC Experts?

Someone rightly said it’s better to be safe than sorry. HVAC experts are knowledgeable, certified, and experts in handling air conditioner or any HVAC problems. They know what to do and how to do it. Moreover, they have just the right equipment at their disposal to do the job efficiently and effectively. Therefore, if the problem is big and out of your scope, it is best to let the experts handle them.

Conclusion

Water dripping from slit AC indoor unit is not always a cause for concern. If the water does not dry up in a day, on its own, only then you need to worry. Even then, you can do half the things yourself to remedy the occurrence. However, if you feel, you are not equipped to take care of things, call the experts.

Frequently Asked Questions

Your split AC could be dripping water because its condensate line is blocked by dust, dirt, or sludge. If that is the case, use your regular wet/dry vacuum cleaner to suck out the lodged impurities from the condensate pipe, which should solve the dripping problem.

There are two reasons why your split AC is dripping water inside, namely:

1. The drip tray is cracked or has holes in it.

2. The drain line has become clogged, causing the water to back up and overflow from the drip tray.

An AC should normally not drip water. Fortunately, the reasons behind the drip are pretty standard, so there’s nothing to worry about.

There are 3 main reasons your split AC is leaking water inside. The first two have to do with the condensate line. Either the drip tray is cracked, or the drain line is clogged. In the first case, you can patch up the cracks in the drip tray or replace it with a new one. In the second case, you can unclog the drain line using your vacuum cleaner. The third reason for the water leak could be the thawing of the iced evaporator coils. In this case, you should call a technician to confirm that the problem is not low refrigerant levels. If it is, only they can solve the issue.

Your new air conditioner leaks water because its drip tray is full to the brim. It happens when the drainpipe has a blockage due to which the condensate cannot flow out. If your AC is old, the other possibility is that the drip tray has corroded and developed holes from which the water is escaping.

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Thank you Alex who diagnosed my AC issue quickly,! your superior technical skills and customer service have not gone unnoticed. Alex made my experience a pleasant one, even though my AC motor went and it needs to be ordered, the good news is it’s under warranty🤷🏼‍♂️
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Alez molina was excellent! Kind, proficient and efficient. Worked quickly. Am so grateful.
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Jordan & Herolson did a great job cleaning my ductwork. They arrived on time, were very nice, polite & efficient. Jordan explained everything clearly. They cleaned up thoroughly when they were done. The popcorn from my ceilings was everywhere, but they took care of it. Five stars.
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Niko is always a competent , pleasant professional who assists me with my air conditioning units.

AZTIL responds to my calls in a timely manner.
Response from the owner:Hi Debra, thank you for your kind words! We're so glad to hear that Niko did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Jordan an hero where effective angel. They explained evdrthing and extremely pleasant
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Tino was friendly, professional and very helpful
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Dana was great!! Suggested a cut off switch to stop the water backup
Installed it right away
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Aztil is always so reliable.
Dana came today, diagnosed my A/C problem and took care of right away.
Terrific service! Thank you, Dana!
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Best workers, Jordan,and Hero.
Response from the owner:Hi Virginia, thank you for your kind words! We're so glad to hear that Jordan and Hero did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Thanks to Aztil AC! One of our A/C units broke down unexpectedly, and Anthony got Lazaro out to us right away the next morning. Lazaro was excellent and he found the problem with our unit very quickly. We really appreciate their quick action and professional expertise. Outstanding service from start to finish!
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Just has Dana come as soon as Aztil can get there team there for our family. Dana was friendly, professional and knew his stuff.
Response from the owner:Hi Justin, thank you for your kind words! We're so glad to hear that Dana did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
The AC maintenance service was excellent. Niko Garza was professional, helpful, kind, and was instrumental in arranging for the next Senior Technician to solve the AC problem that I am having. That service will be sometime today. He also recommended the dryer vent cleaning and the in-line AC cleaning, of which I scheduled for Monday and paid today. My husband has been very ill for the past 4 years and in the hospital right now. Aztil has arranged the services, after Niko explained the situation, so that they will be completed before he comes home because a patient on oxygen and a feeding tube cannot be without power to the whole house, even a short shut down would endanger him. Thank you Niko!

Technician Rick Cochran did an excellent job replacing the AC breaker and ensuring that everything was in correct working condition. I really appreciated his kindness and professional demeanor. Thank you Rick!

Today Technician Alex Molina completed the services (dryer lint trap cleaning and inline air handler cleaning). Once again, I was fortunate to have a professional, gracious, and thoughtful person come to my house to perform the services. Thank you so much Alex!

June 2 2025 Thank you Cody! It is a relief to finally have the A/C back to what it should be. The replacement of the coil is probably what was needed a month ago. Rather than dwell on what was, I truly appreciate the replacement service and how kind you were to a grieving widow.
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Angel and his crew
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Tino Costanzo did an excellent job. Extremely helpful in adding to the efficiency of the operation of our air conditioning unit.
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This is the second time Michael King has serviced my AC for AZTIL. He is always pleasant and courteous. He explains all he does to the unit and answers all questions I may have. He is very thorough. Great asset to the company. The trainee (Skyler) with him today has a very good teacher and seems to be on his way to being a positive service tech.
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Lazaro was excellent. Full explanation of services. I would like to get him for any future services. I'd like to add that I was pleased with the vent cleaning that was performed by Alex Molina and his assistant.
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I had woken up to no ac in my house. I contacted aztil on a Saturday at 5 pm and their technician called me back within a half hour. His name was Tino, he said that he would be there within 30 minutes…. And he was! He figured out the problem in 10 minutes and he solved it! Excellent service! Thank you so very much!
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Wow, the scheduling process was a challenge, but our service tech Niko Garza was a grand slam. He more than made up for the scheduling challenges. We’ve been Aztil customers since 2017…. Scheduling was much stronger up until about a year ago, service techs have always been great. Peter, one of the schedulers also can in for the save!

Hey I need to update this 5 Star review, it needs to be a 10…. We needed a new system, boom, done in one day! Our tech, Asiel Barreto was tremendous. He even worked us through the process of using a NEST thermostat- Jackie in the central office rocked us through all the paperwork. This is why we are Aztil for life!
Response from the owner:Hi Ray, thank you for your kind words! We're so glad to hear that Niko did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Jordan was awesome. Nice to work with, fast and efficient.
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Ramon is always on time, polite, knowledgeable and efficient. AC unit has been performing reliably and efficiently.
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Nico was very knowledgeable and did a great job getting our ac working again
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A+ job from two great professionals - Jordan and Hero. A big job - that they explained completely - and they were not only great technically, but very tidy and cleaned everything up after! And really great guys! Highly, highly recommend them - a great team!
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TINO from Aztil is very professional he came and replace a part under warranty at no cost and in no time Aztil is very reliable I’m a happy customer thank you very much for a great service
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Nico my service tech was very knowledgeable, courteous and thorough. Very pleased with my service.
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Dana & Michael did an excellent job replacing my drain lines. They arrived on time & worked hard to finish the job in record time so I was without air conditioning in 1/2 the time expected!
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Antonio & Jordan are highly professional maintenance technicians. They performed a full system overview and my AC is working great! I highly recommend them - Jeff Steinberg
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Response from the owner:Hi Sherry, thank you for your kind words! We're so glad to hear that Lazaro did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Update: I had Left. A bad review for this company. I had the new manager Anthony reach out to me and he helped me get my whole situation fixed. The solution was to switch back to a basic AC model that would benefit me and also be easy to work on. Anthony was great! He returned all my calls in a timely manner and helped ease my worries. Aztil finally switched out my unit and refunded me the difference. The installers were great and my experience was stellar. Def changed my look on the company. I appreciated the customer service and the communication. New management made a difference.

Previous review 3/2025
This company is the worst!! The previous AC that I used Was sold to them and I thought I could Trust them like the last company! I spent Over 12k for a unit in May 2024 along with a 5yr service contract!!! that the salesman said would be the best unit and solve all my hot spot issues. Well it hasn’t! And because my “best” unit is digital NO TECHNICIAN knows how to work the unit. They are constantly calling tech support and still no one knows. I’ve had 4 different technicians here and no one knows what the hell they are doing!! I have Had technicians out 7 times to my home bc the humidity stays at 65-68%. No one knows how to adjust it. I called For emergency service on a Friday night bc my unit stopped working. They told me they wouldn’t have anyone until Thursday!! Do not use this company. They never call you back. Management does not respond. So unprofessional! I have Been trying to contact someone for over a week and no one ever returns my calls!! DO NOT USE THIS COMPANY.
Response from the owner:Hi Myra, thank you for your kind words! We're so glad to hear that Aztil was able to address your concerns and that you were pleased with the outcome. Thank you for being a valued customer.
I've been using Aztil for over 10 years. Always prompt, polite, knowledgeable, and professional. Today (Memorial Day), my AC went out. Within 2 hours, Albert was at my house and fixed the issue quickly. I would recommend Aztil to anyone based on my own personal experience with them.
Response from the owner:Hi Demora, thank you for your kind words! We're so glad to hear that Albert did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
The 4-stars is because I wasn’t informed of a scheduling change. After a little confusion regarding the appointment time the technician, Michael King contacted me. He arrived at the updated time. Was very professional and kept me informed about the service. He completed the job, cleaned up afterwards and thanked me for being a customer.
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My service call was simple just clean the pipes. I asked the agent what was covered before I accepted and they stated clearing the pipes and other checkup. Well it did not turn out to be TRUE. I was charged for labor , materials(!) and other nonsense. NOT a Happy camper no one likes surprises! They are out of my list.
Response from the owner:Hello Cesar, Thank you for taking time to provide feedback about your experience with our company. We completely understand your frustration and apologize for any dissatisfaction that may have caused your day. We are eager to discuss this experience with you. Please call our customer service manager, Jack. He can be reached at (561) 202-8726. It is our goal to make sure we resolve any issue we can and look forward to speaking with you.
It always seems that the air conditioner breaks down on a hot day.
Well, Aztil is cool under pressure.
First, Paul came out and diagnosed the problem and ordered the replacement parts. Making sure I got the best price.
Then, Dana showed up at my house ready to fix it.
And when it seemed things weren't quite right, Dana returned at 7:30 pm. - ON A FRIDAY NIGHT - to make sure it was A-Okay.

Aztil is definitely the company for our household.
Response from the owner:Hi Robert, thank you for your kind words! We're so glad to hear that Paul and Dana did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Michael King did a superb maintenance job. Plus, he made an extra effort to locate and install a part several hours after his first visit. Well done, Michael.
Response from the owner:Hi George, thank you for your kind words! We're so glad to hear that Michel did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Dana was tech

Came out and went through central system and outside unit. Replaced thermostat as wasn’t reading correctly which was throwing hvac off from normal operation temps
Response from the owner:Hi Andrea, thank you for your kind words! We're so glad to hear that Dana did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Dana Dussaualt did a great job on are annual maintence checkup. Very detailed inspection. Aztec has all ways provided great service.
Response from the owner:Hi Joseph, thank you for your kind words! We're so glad to hear that Dana did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Jordan and hero were phenomenal sealing my air duct system and cleaning my ducts very professional and cleaned up well thank you
Response from the owner:Hi Lynda, thank you for your kind words! We're so glad to hear that Jordan did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.
Response from the owner:Hi Michele, thank you for your kind words! We're so glad to hear that Aztil did an excellent job and that you were pleased with the outcome. Thank you for being a valued customer.

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