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AC leaking water

HVAC

The answer to 'AC leaking water' is that there are several common causes for this issue, including a clogged drain line, a refrigerant leak, a problem with the condensate pump, or a faulty evaporator coil. Symptoms may include water leaking from the indoor unit, visible mold or mildew, and reduced cooling performance.

In many cases, a clogged drain line is the culprit. This can be caused by dirt, dust, or algae buildup. Homeowners can try to clear the drain line themselves by flushing it with a wet/dry shop vacuum or by using a drain line cleaner. If the issue persists, it's best to call in a professional HVAC technician to diagnose and repair the problem.

Sources

1
ENERGY STAR• authority
2
HVAC.com• guide
3
ACCA• authority

Step-by-Step Guide

  1. 1

    Clear the drain line

    Use a wet/dry shop vacuum or drain line cleaner to flush out any debris or buildup in the drain line.

  2. 2

    Check the condensate pump

    Ensure the condensate pump is working properly and not clogged or malfunctioning.

Frequently Asked Questions

How can I tell if my AC is leaking refrigerant?

Signs of a refrigerant leak include a loss of cooling performance, ice buildup on the coils, and a hissing or bubbling sound from the system.

What should I do if my condensate pump is not working?

If the condensate pump is faulty, you'll likely need to replace it. This is a job best left to a professional HVAC technician.

When should I call an HVAC technician for an AC leak?

If you've tried clearing the drain line yourself without success, or if you suspect a refrigerant leak or issue with the condensate pump, it's time to call in a professional HVAC technician to diagnose and repair the problem.

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