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Why Is There Water Dripping from My Air Conditioning Unit?

Why Is There Water Dripping from My Air Conditioning Unit?

Posted by
Ed Miller on Thu, Feb 28, 2013

Anytime you see any leaking water emitting from the air-conditioning unit, you should never assume that it is operating properly. Many times, the leaking water from the HVAC system will indicate that some component inside the air conditioner has become broken, or is malfunctioning. The easiest way to avoid any potential repair bill is to take action once the problem has been discovered.

Leaking Condensation

Many times on scalding hot days the home’s air-conditioning unit will run on a continuous basis as a way to maintain a comfortable level of air temperature inside the house. This type of leaking is normal, and is a product of too much condensation being generated on the evaporator coil. One process of the evaporator coil is to automatically dehumidify all the air from the interior of the home. As the humidity is withdrawn, dryer cooler temperature air is pumped into the home.

Usually all of the condensation that has been removed from the air through the evaporator coil will automatically dispense through the drain line into the drain pan. However, on very hot days there is likely too much condensation being removed at one time, causing an overflow in the drain pan. In the event that the condition continues to recur, it is likely a good idea to call an experienced A/C repair professional.

Air Flow Restriction

The filters of the air-conditioning unit can quickly become clogged with debris, dust and other particles that are pulled from the home’s interior air. With too much buildup of dust and debris, the evaporator coil inside the air handler can quickly form layers of frozen condensation (ice). Almost as quickly, the buildup of water will automatically spill over the edges of the condensation pan and run out of the A/C unit. The filter must be changed regularly, and even more often, when there are high levels of dust inside the home.

Deteriorating Insulation

In older homes, deteriorating insulation is often a problem that can cause water dripping from the A/C unit. Condensation typically builds up on the copper pipes that run a refrigerant from the outside compressor to the air handler inside the home, and back to the exterior condenser. A buildup of condensation can easily occur at any point that has deteriorating insulation.

No matter what problem is causing water to drip from the air conditioning unit, it usually requires the skills of a licensed HVAC repairman. With routine A/C maintenance, many homes can avoid the problem.



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where you’ll find snyder

Snyder Air Conditioning, Plumbing and Electric serves families across Florida. You'll find our technicians are just a short phone call away in neighborhoods throughout these counties:


  • Alachua
  • Baker
  • Clay
  • Duval
  • Flagler
  • Nassau
  • St. Johns


  • Broward
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  • Miami-Dade
  • Palm Beach
  • St. Lucie

Customer Reviews

This was an exceptional experience! We woke up to our A/C on but not cooling (it was 6am and already 81 in the house). The person who set up our appointment was very nice, able to get us seen same-day, and let us know of some options to help save us money.

-Christy Cormier

The service from Sam and Chris was excellent! They were very knowledgeable and professional. They were able to answer all of my questions and completed all of my electrical issues. I will definitely use them again for future jobs. Thank you!

-Adrienne Beal

From the get go I could tell that the Snyder employees were truly professionals and didn’t push to make sales like other companies I’ve talked to my whole life. They took the time to explain so that I could make a decision. The installers and later the duct cleaners were very respectful during their work here. Thank you.

-Mike Daniels

Snyder Heating and AC is dependable, always on time and techs have always been courteous and knowledgeable. Emanuel was a great addition to the company. He was friendly and knew what he was doing. Thank you for great service.

-Linda Ackley

Snyder came in and did a total overhaul of our duct system. They had a great knowledge of what to do to make our home so comfortable! The technicians were all so professional and took great care of us! We’re so thankful for their expertise. Great and easy communication with the call center. We will definitely use them again!

-Crystal Hill

Snyder provided an amazing experience from start to finish. Most of us dread getting estimates with pressuring salespeople. Erik was a great guy, explained all my options and didn’t try to pressure me to act quickly! Justin followed up with my husband and I to offer further assistance in our decision. Again, no pressure, just helped with our follow up questions.

-Michele Bauer

Very prompt, professional, courteous, and cleaned up after repair. Had water line break in my front yard and no pressure. Very pleased and would highly recommend Snyder for all your plumbing, and AC needs. Thank you for making a rough morning get better with ease and professionalism.

-Chuck Jr.

Snyder was easy to get in contact with and had availability the next day. Clint came out and needed some parts so had to reschedule us for the next day for installation. He did a great job converting our old 3 knob shower to one. Looks great! Professional and courteous. 100% recommend this company, especially Clint.

-Nicole Hansen

Very thorough and professional Job

-John Ridenour

Excellent work. Hard worker. Highly recommend.

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