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“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”

Kailyn C.

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Jimmy Griffin, owner of A&G Air Condiditioning, smiling next to an HVAC system in Orlando, FL

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“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”

Kailyn C.

Happy customer

Common Causes for Air Conditioning Leak

Air Conditioning Leaks are a frequent issue for many Orlando homeowners and can lead to water damage, reduced cooling performance, and higher energy bills. Understanding the root causes of AC leaks can help you prevent more extensive problems. Below are the most common reasons for air conditioning leaks, along with advice on when to call a professional HVAC technician.

Clogged Condensate Drain Line

The condensate drain line carries moisture from your system to the outside. Over time, dust, dirt, and mold can block the drain, causing water to back up and leak from the indoor unit. Regularly flushing the line with vinegar or using a wet-dry vacuum can help prevent clogs and leaks.

Damaged Drain Pan

The drain pan collects condensation from the AC unit. Over time, it can rust or crack, causing leaks. If you notice water pooling under your unit, inspect the pan for signs of damage. A professional can replace the pan if necessary to prevent further leaks.

Frozen Evaporator Coil

If the evaporator coil freezes, the resulting ice can melt and overflow the drain pan, leading to water leaks. This issue is often caused by restricted airflow or low refrigerant levels. Turning off the unit to allow it to thaw and changing air filters can help, but professional service may be needed if the problem persists.

Improper Installation

A poorly installed AC unit may have misaligned components or disconnected drain lines, leading to leaks. This is more common with new installations or system replacements. A professional inspection can identify installation issues and ensure everything is properly connected.

Low Refrigerant Levels

When refrigerant is low, the evaporator coil can freeze and cause leaks when the ice melts. Additionally, low refrigerant can affect cooling performance and increase energy consumption. A licensed technician will need to inspect the system, repair any leaks, and recharge the refrigerant.

How to DIY Air Conditioning Leaks

Trying to stop air conditioning leaks yourself? Below are some simple steps you can take to troubleshoot the issue before contacting a professional. However, if the problem continues or you find water damage, it’s best to schedule service to avoid more serious HVAC repairs.

Clear the Condensate Drain Line

Check the drain line for blockages. Use a wet-dry vacuum or flush the line with a vinegar solution to clear any buildup. Regular maintenance of the drain line can prevent future leaks and keep the system running smoothly.

Inspect the Drain Pan

Look under the indoor unit for signs of rust or cracks in the drain pan. If the pan is damaged, a temporary solution is placing a secondary pan underneath, but professional replacement is recommended to avoid future leaks.

Change Air Filters

Dirty air filters restrict airflow, which can cause the evaporator coil to freeze and lead to leaks. Regularly changing the filters every 30 to 90 days ensures proper airflow and prevents freezing issues that result in water damage.

Check Refrigerant Levels

If your system is not cooling effectively and leaks are present, low refrigerant might be the issue. While homeowners can’t recharge refrigerant themselves, it’s helpful to note symptoms and contact a licensed HVAC technician for inspection and service.

Level the Outdoor Unit

If the outdoor unit isn’t level, the refrigerant lines may not function properly, leading to coil freezing and leaks. Use a level to check if the unit is even. If not, adjust the pad or contact a technician for assistance in leveling it.

When to Contact an AC Company for Air Conditioning Leaks

If these DIY steps don’t solve the problem, it’s time to call an HVAC professional. Ignoring air conditioning leaks can lead to water damage, mold growth, and expensive repairs. Below are some signs that indicate you need professional help immediately.

Continuous Water Leaks

If water continues to leak despite clearing the drain line and inspecting the pan, it could indicate a deeper issue, such as refrigerant problems or blocked ducts. An Orlando AC technician can diagnose the problem and prevent further damage.

Ice Buildup on Coils

If you notice ice forming on the evaporator coil, it’s a sign of restricted airflow or low refrigerant. Continuing to run the unit in this condition can damage the compressor, so it’s essential to turn off the system and call for professional service.

Mold or Mildew Odors

A persistent musty smell around the unit or in your home can indicate that water from a leak has led to mold growth. Mold can spread quickly and affect indoor air quality, so scheduling professional cleaning and repair is crucial.

Visible Water Damage

Water stains on walls, ceilings, or floors near the AC unit are signs of a long-term leak. Ignoring this damage can lead to costly repairs, so it’s best to contact an HVAC technician to address the leak and any structural issues right away.

System Not Cooling Properly

If your AC isn’t keeping the home cool and leaks are present, it’s likely an indication of low refrigerant or a frozen coil. A professional can quickly diagnose the issue and restore the system’s performance to avoid further discomfort and energy waste.