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Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

When you discover a leak in the ceiling, it can be rather scary. Imagine the harm it will cause to your property, the pricey repairs that will be required, not to mention the development of mold. What could this issue be specifically, and what are the solutions?

You need to take care of the following typical problems that could be to blame for water pouring from your ceiling AC vent in order to troubleshoot the issue:

  • Leaking Air From The Vent
  • Blocked Condensate Line
  • Leak In The Plumbing Or Roof
  • Condenser Coils That Are Frozen
  • Refrigerant That Leaks
  • Malfunctioning Condensate Pump
  • Condensation From Ducts With No Insulation
  • Unclean Air Filters

Find out why your ceiling AC vent might be leaking in the following paragraphs, along with the necessary fixes. Additionally, learn what you can do to keep the AC vent in good shape and the cost of repairs.

Typical Causes Of AC Vent Leaks And Solutions

The sight of water dripping through the ceiling is alarming and requires immediate care. Finding the source of the leak is the first step in fixing it. Then, if you have the necessary expertise, you can fix it yourself; otherwise, call a professional.

Let’s explore the typical reasons of the leaking and how to fix them.

Leaking Air From The Vent

If the vent or duct boot has openings, air will leak out, combine with the humid air, and condense to create moisture.

The answer is to fill in all the gaps with a sealant. Along with preventing condensation, it will significantly lower your energy expenditures.

Blocked Condensate Line

The evaporator coil can become clogged with dust, dirt, and other airborne, minute particles. This debris will find its way there as the air circulates, build up, and obstruct the condensate drain line. It will cause the drip pan to overflow with accumulated moisture, dripping into the air vents.

The best person to handle this issue is a technician, who will likely use a shop vacuum to clear the obstruction. A garden hose can be used as a replacement if this item is not available.

After clearing the condensate line, you’ll probably notice a dark substance. To complete the procedure, the technician will run some water through the drain to make sure the clog is completely cleared.

Leak In The Plumbing Or Roof

The vents are tangentially related to this issue. In this instance, it’s possible that a water pipe above the ductwork is dripping a few microscopic drops of water, which eventually make their way to the ceiling.

A similar issue could be caused by a leaking roof. It will drip water onto the ceiling and then onto the ductwork.

Call a technician to fix the roof or water pipes and identify the leak’s origin.

Condenser Coils That Are Frozen

Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

The refrigerant liquid will leak when microscopic leaks develop in the evaporator coils. This indicates that there will be insufficient refrigerant, which will cause the coils to freeze.

In addition, reduced airflow from dirty and blocked coils leads to the growth of ice on the evaporator coils.

Condensation occurs when any, or both, of these two events take place, causing the ice to melt and drop over the roof and out of the vents.

The answer is to clear the coils; however, adding more refrigerant or caulking the cracks might not be a wise option. This is because the issue will probably recur, and purchasing a new evaporator coil might be the best course of action.

Refrigerant That Leaks

Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

As mentioned above, when a refrigerant leak occurs, humid air has a tendency to stay in the evaporator for too long, which leads to the formation of ice. It drops from the vents to the ceiling when it melts as a result of moisture.

A expert is better equipped to handle the refrigerant because it can be hazardous.

Malfunctioning Condensate Pump

You might wish to examine the condensation pump if your condensate drain line is operating regularly but your drip pan is filled to the brim with water.

Call a technician who may advise replacing the pump in this situation.

Condensation From Ducts With No Insulation

Condensation will cause moisture to collect on your air ducts if they are not insulated. This frequently occurs to ducts in uninsulated areas like the attic. The attic and all of its ductwork need to be insulated.

Unclean Air Filters

Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

Your home’s moisture is absorbed by air conditioners to function. Condensation causes moisture to drip into a drain pan, where it is removed by condensate lines.

On the other hand, air filters permit a free flow of air while preventing dust and other debris from entering the house. It will become more and more congested, preventing the movement of air, the dirtier it becomes.

If the air filters aren’t cleaned, the system will keep clogging, and instead of condensation, the evaporator coils will freeze and develop a thin film of ice on them. As a result, ice will continue to build until the air filters are cleansed.

The ice will eventually begin to thaw, dripping water over your vents.

How To Keep Your AC Vent In Good Shape

To avoid issues like water leaking, it is imperative that you take proper care of your home’s AC vent. Taking good care of your AC system will help increase its longevity.

You can maintain the condition of your AC vent by doing the following:

Refresh The Air Filters

As was said earlier in this essay, air filters allow clean air to enter your home by preventing debris from passing through.

The air filters become increasingly clogged as more dirt is collected in them, obstructing the flow of fresh air. The secret to maintaining the health of your AC system is to replace the air vents frequently.

Evaporator Coils Should Be Cleaned

The evaporator coil won’t get dirty if the air filter is clean, but over time, it will have accumulated dirt. It should be cleaned and inspected at least once a year to keep it in good working order.

Make The Coil Fins Clean

Evaporator and condenser coil fins have the potential to flex and obstruct airflow. By combing these fins with a “fin comb,” you can restore their original shape.

Examine Condensate Drains Regularly

Pass a stiff wire through the condensate drain channels occasionally to look for any obstructions. You avoid difficulties that might cost you extra money by doing this.

Annual Check-Up

Have an HVAC specialist check your AC system at least once a year, just like you would with most appliances. A quick inspection can catch an issue in its early stages, preventing it from getting worse and sparing you from expensive repair costs.

What Is The Price Of Repairing An AC Vent?

The cost of repairs varies. The expenses will depend on the difficulty of the task, the parts that need to be changed, and the quantity of labor required. Let’s look at a few instances to determine an approximate cost for vent and ductwork:

Ducts That Insulate

Insulating ducts typically costs between $1 and $8 per square foot for labor and supplies. The size of the house, the chosen insulation, and the ease of access to the ducts all play a role in this, too.

Your ducts would typically cost between $800 and $2,000 to insulate in terms of labor and supplies.

Inserting A Vent

An existing ductwork vent addition would cost between $250 and $500 to complete. The position of the ducts and the design of your home both play a role in this.

Plugging Leaks

A damaged vent might cost at least $100 to fix, and a significant portion of the leaky ducting could cost up to $500.

As a result, keeping your AC system in good shape will help you save money on repairs, as was just said in the previous paragraph.

In Conclusion

As soon as you discover moisture developing on your ceiling, take urgent action. It indicates a problem, one of which could be a leaky AC duct.

Your AC duct may be leaking for a number of causes, so you need to determine what they are. You can get assistance with this from an experienced specialist.

The AC system will last longer if it is properly maintained, and you’ll avoid paying expensive repair costs.

Why Is Water Dripping From Your AC Vent In The Ceiling And How To Fix It

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Written by HVAC Contributor

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