Why is my air conditioner gurgling?

What should you do if you hear gurgling noises coming from somewhere while your air conditioner is operating but you can't place the source of the noise?

The refrigerant lines are most likely the cause of this type of water sound in the HVAC system. If the liquid coolant lines are properly sealed, air should not become trapped and cause a gurgling sound.

If your system is generating a gurgling noise, it is usually safe to keep using it. But you should call a qualified technician to check it out and figure out what the problem is.

Some consumers enquired about what to do if your air conditioner is creating a bubbling noise. Professionals say it's probably the same problem as the gurgling sounds we've described, so there's no need to worry. Some people only perceive the sound as bubbling, while others hear it as gurgling.