AC Leaking Water Inside? Do This First

The usual suspects

Algae builds up in the dark, the line clogs, the pan overflows. The most common cause by far.

Older pans rust through — the system drains fine, just not into the drain.

Ice from low refrigerant or bad airflow melts faster than the drain can take it.

A nudged PVC joint or lost slope after other work sends water to the floor instead.

Water where it shouldn’t be?

Drain clogs, pans and float switches are carried-on-the-truck fixes — usually handled in a single same-day visit.

60 seconds online · or call (206) 486-6373

1
Turn cooling OFF and put a towel or pan under the drip.
2
Check for ice on the lines or coil — ice means a different problem (see the frozen-AC guide).
3
Vacuum the drain outlet outside with a wet/dry vac sealed over the pipe for a minute — clears most algae clogs.

Still not working? Then it’s a technician job — and the sooner it’s booked, the sooner the house is comfortable again. Book the visit →

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It’s clean condensate, but it lands on control boards, ceilings and subfloors — and mold follows in days. Treat it as a same-day repair.

More runtime = more condensate. A half-clogged drain keeps up on mild days and overflows on hard-running ones — a classic partial-clog signature.

Usually yes — drains, traps, fittings and float switches are stock-on-the-truck repairs, priced upfront before we start.

Done guessing?

Every hour it drips is drywall money. Book now — a tech reaches out within 1 business hour.

60 seconds online · or call (206) 486-6373