Can a home AC leak be fixed?

Author: Graham Schuster  |  Last update: Saturday, April 19, 2025

Once you've identified the cause of the leak, you should try to have it fixed as soon as you can. An HVAC technician will generally just replace any parts that have corroded or sprung leaks so the air conditioner can keep running, good as new.

Is it worth fixing a leak in an AC unit?

If the system is still under warranty, most repairs are worth it. But if the warranty has expired or is invalid, repairing a leak can be very expensive. Plus, if it's out-of-warranty, chances are the unit has either been neglected or is too old to consider repairing.

How much does it cost to fix a house AC leak?

For refrigerant leak detection and air conditioning repair you may pay anywhere from $550 to $1,600.

How to fix a leak in a home air conditioner?

Steps to Take If Your AC Is Leaking
  1. Turn Off the AC Unit. Before you start to look at your air conditioning unit, turn it off. ...
  2. Clean Up the Water. ...
  3. Determine the Cause of the Leak. ...
  4. Replace the Air Filter. ...
  5. Check Refrigerant Levels. ...
  6. Unclog or Replace the Drain Pan. ...
  7. Call an HVAC Professional.

Can I stay in my house with a refrigerant leak?

Freon leaks can be hazardous. Direct exposure to AC refrigerant can cause health problems such as headaches, dizziness, and respiratory issues. If you suspect a refrigerant leak, it's crucial to ventilate the area and seek professional help from HVAC professionals to prevent further damage and health risks.

How to find a refrigerant leak in an air conditioner?

Is a Freon leak an emergency?

Check to see if the HVAC unit is blowing warm air. If you discover you have a Freon leak, evacuate the building and contact your HVAC technician for immediate repairs.

Can you fix a refrigerant leak by yourself?

It's challenging, dangerous, and frankly, impossible to completely repair freon leaks alone. A professional will quickly and easily locate and repair the leak for you.

Should I turn off my AC if it's leaking water?

You should shut off your air conditioner immediately if you see any signs of leakage. If there is excessive moisture inside your home, it could cause serious health problems. Mould growth can cause respiratory issues, headaches, nausea, and even asthma attacks. If you see any leaks, call an HVAC technician right away.

How serious is an AC leak?

A leaking air conditioner is frustrating but isn't necessarily dangerous. It depends on whether it's leaking water or refrigerant. Water leaking from your air conditioner isn't dangerous but can cause a lot of damage to your home. On the other hand, a coolant leak is dangerous for you and the environment.

Does homeowners insurance cover AC leaks?

In most cases, homeowners insurance will cover water damage from AC leaks. However, every policy is different and you'll need to check with your insurance agent to be sure you understand what exactly is covered.

Is a leaking air conditioner an emergency?

A leak from your air conditioner can cause significant damage to the system. Whether there's more moisture on or near your AC than usual or water is ponding near the drain line, consider it an emergency. The damage from water can quickly escalate and spread to nearby equipment, materials, and furnishings.

How do I stop my air conditioner from leaking?

Check and Clean the Drainage System

A well-maintained drainage system is essential to prevent aircon leakage. You can do this by: Inspecting the drainage pipes, condensate tray, and condensate drain pan for any blockages or debris. Using a soft brush or a mixture of water and mild detergent to clean the components.

Can I run my AC with a leak?

Operating an air conditioning system with a refrigerant leak could cause considerable damage to the system. The compressor, a key component of your AC, relies on refrigerant to function and cool.

Does AC leak seal work?

Yes, HVAC leak sealers work when you want a quick temporary fix for small leaks. As long as you plan to get professional repairs in the near future, sealers provide an excellent solution. Just be sure to use a product that works well with your HVAC system.

How long can I run my AC if it is leaking water?

As soon as you notice that your air conditioner is leaking, go ahead and turn it off. This is important even if the air in your home doesn't feel any different, because it will stop the flow of water. The more water leaks out of your air conditioner, the more susceptible it becomes to further damage.

Is it bad if your AC is leaking water outside?

Under normal operation, your air conditioner should only leak or produce condensation while operating. Then, the small puddle of water should dry up on a hot day. A telltale sign you could be in need of air conditioner repair is if the water leak persists for a day or more.

Why is water coming from an AC indoor unit?

Dirty air filters

Dirty air filters can block the airflow and makes it hard for the air to hit the evaporator coil. The coils will turn cold until it freezes. One day they will melt, producing excess water that is too much to hold. This process generates leakages from your AC.

How much to fix an AC leak in a house?

The national average cost for repairing an air conditioner leak ranges from $225 to $1,600, with most homeowners spending around $650. However, the actual cost can vary depending on several factors, such as the type of leak, the age of your AC unit, and the complexity of the repair.

Is it illegal to add Freon to a leaking air conditioner?

So, what happens if you do just add refrigerant to a leaking AC system, or don't get it fixed once the leak is reported? The EPA will fine you. There is no way to sugarcoat this. The fine can be as high as $37,500 per day.

Does Home Depot sell Freon?

So, you can't buy Freon from Home Depot for your HVAC needs. The good news is that you can still get it, though. At Lowery, we've still got you covered. Lowery will keep you cool-headed as temperatures (and Freon costs) rise!

Can a small Freon leak make you sick?

Mild exposure to Freon in a well-ventilated area is usually not serious, including having a small amount on the skin or having a localized leak in the home. However, if a person notices symptoms of refrigerant poisoning, they should contact their doctor or emergency service immediately.

Is a refrigerant leak an emergency?

Many property owners ask themselves, “Are refrigerant leaks dangerous?” HVAC technicians treat refrigerant leaks as emergencies because inhaling Freon can cause severe health issues. The short-term symptoms of refrigerant exposure often include: Trouble breathing. Nausea and vomiting.

Is a Freon leak fixable?

Small leaks may be repairable, while larger leaks may require more extensive repairs or component replacements. Before making any repairs, the technician will isolate the AC system to prevent further loss of refrigerant. This often involves shutting off the power to the unit and closing the service valves.

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