How to Fix Leaking AC Unit?

How to Fix Leaking AC Unit?

Leaky air conditioners can be annoying because it interrupts daily activities and causes extensive damage if delayed repair. A small water leak can damage walls, ceilings, and floors leading to mold growth. This further escalates the problem because of expensive repairs. Additionally, mold growth affects indoor quality, which can cause health issues. Consulting with an expert in air conditioning repair in Sacramento can help solve the problem. A leaky air conditioner indicates an underlying problem with the drain line, evaporator coil, etc. Experts know where to look and employ the best solutions. However, homeowners can also try DIY methods to fix the leaky AC.

Here Are the Steps to Fixing a Leaky Ac Unit.

1. Shut Off:

Turn off the AC unit before examining. Also, it stops the water leak and protects the system from further damage.

2. Drain the Water:

Clean up the leaked water because standing water can cause more damage to the air conditioner unit.

3. Diagnose:

Examining the AC unit can be challenging without knowledge or experience. In some cases, you may not see the exact cause. Consulting with an HVAC company in Sacramento can accelerate the fix.

4. Check Air Filter:

A clogged or dirty air filter blocks the airflow leading to decreased heat transfer from indoors to the refrigerant. Replacing the air filter in 2-3 months ensures the smooth functioning of the system. Dirty air filters can also affect the evaporator coil.

5. Refrigerant:

Check the refrigerant levels because fluctuating levels affect the evaporator coil. Low refrigerant levels freeze the evaporator coil leading to leaks. The water will start dripping into the drain pan resulting in leaks. It is necessary to monitor the refrigerant levels to ensure the system functions smoothly.

6. Drain Pan:

Check the drain pan if it’s dirty and needs a replacement. Check the pan and clean the debris to remove the blockage. You may find holes, cracks, and leaks. Although you can fill these gaps using epoxy glue, replacing the drain pan ensures a long-lasting result. Make sure to clean your drain pan periodically to prevent mold spores from developing.

If you delay fixing the AC unit, it can cause the following damage:

  • Extensive damage to your AC system, leading to expensive repairs
  • Increased energy consumption and higher utility bills
  • Chemical exposure causes burns and lung damage
  • Mold growth spreads to other parts of the house
  • Harmful emissions inducing damage to the environment
  1. Reasons for a Leaky Ac Unit
  • Blocked condensate drain line
  • Overflow drain pan
  • Frozen evaporator coil
  • Dirty air filter
  • Refrigerant leak


Using these steps, you can fix a leaky AC unit. However, it requires technical knowledge and expertise to tackle different AC parts. Consulting with a Sacramento plumber can help solve the issue faster. Experts have the appropriate tools and experience to employ the best solutions.

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