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Technician fitting the wall bracket for a split system indoor unit

Common problem

Air Conditioner Leaking Water in Gilles Plains

Water dripping from an indoor unit, a wet patch on the wall, a stain spreading across the ceiling: they all point to an air conditioner leaking water. It is one of the most fixable faults there is, and it will not fix itself.

Who you are dealing with. We are the team behind Gilles Plains Air Conditioning, a local family-owned business with ten years on the tools and 500+ five-star reviews. Water where it should not be is a job, not a mystery.

Why Your Air Conditioner Leaks Water

As your unit cools, it pulls moisture out of the air. That water collects in a tray and drains away through a condensate line, and you never see it. A leak means something in that path has failed.

The usual suspects, cheapest first:

Clogged condensate line

Dust and sludge build up until water backs into the tray and overflows.

Dirty filter or coil

Restricted airflow can freeze the coil, which then melts and dumps more water than the tray can hold.

Failed drain pump

Units that lift water up to a drain point rely on a small pump, and pumps wear out.

Rusted or cracked drain tray

Common on units well past ten years old.

Poor installation fall

If the unit or the pipe was never sloped correctly, water sits and finds its own way out.
Technician servicing the inside of an outdoor air conditioning unit

Leaking Aircon and Older Gilles Plains Homes

Housing stock matters here more than most people expect. The prefabricated timber cottages the Housing Trust built across the suburb between 1950 and 1954 sit on small blocks, so outdoor units and drain runs often sit close to walls and garden beds where leaves and roots cause trouble.

Age cuts the other way too. Older systems in those streets tend to go longer between services. A condensate line cleared every year rarely clogs. One that has not been touched since the unit went in eventually will.

Call (08) 8246 6283

How it works

Cooling System Checks You Can Do First

Two things are worth doing before you pick up the phone.

  1. Step 1: Turn the system off at the wall

    Running a leaking unit can push water further into the ceiling or wall.

  2. Step 2: Check the filter

    A filter clogged with dust is the most common cause of a frozen coil, and a dry Adelaide summer loads your unit with dust. If the filter is filthy, clean it and let the system thaw for a few hours.

If the leak stops, book a clean so the underlying cause is dealt with properly. Our air conditioning cleaning page covers what a full service involves. Anything beyond the filter, leave it: refrigerant lines, trays inside the unit and roof-cavity drains are technician work.

Smiling technician beside an outdoor unit at the side fence

When a Water Leak Needs Air Conditioning Repairs

Call us if any of these sound familiar:

  • The water keeps coming after you have cleaned the filter.
  • It is coming through the ceiling rather than off the unit itself.
  • The unit is icing up as well as dripping.

Those point to a clogged condensate line, a failing pump or low refrigerant. A leak through a ceiling is urgent, because water sitting in a roof cavity finds the plaster.

The older Trust cottages around Kopoola Crescent were never built with modern drainage in mind, so a slow leak can do real damage before you spot it. Our air conditioning repairs team carries 24/7 emergency availability, with a Within-the-Hour Response on urgent issues where availability allows.

How We Fix a Leaking Aircon

Every job starts the same way: we find the actual cause before we touch a tool. A wet patch is a symptom, not a diagnosis.

Trace and flush the condensate line

To clear the blockage and confirm water flows freely again.

Test the tray, pump and float

So a worn part is replaced before it fails again mid-summer.

Check the coil and refrigerant

If the unit was icing, because a frozen coil keeps leaking until the cause is fixed.

Confirm the fall on the pipework

And correct installs that were never sloped right.

You get Fixed Upfront Pricing before any work starts, so the figure on the quote is the figure on the invoice. Workmanship is covered by our Lifetime Labour Warranty: if a fault occurs due to workmanship, the team returns and fixes it at no cost.

Call (08) 8246 6283

Questions

Aircon Leak FAQs

Can I keep running my air conditioner while it leaks?

Turn it off at the wall first, because a leaking unit is often a clogged condensate line or a frozen coil, and running it can push water into the ceiling or walls of your Gilles Plains home.

Why does my aircon leak more after running for hours?

A long run on a hot day pulls a lot of moisture out of the air, so a drain that copes for an hour overflows by the fourth, which is why leaks often show late on a 40-degree afternoon.

Is a water leak expensive to fix?

Usually no, because most leaks trace back to a clogged condensate line, a dirty filter or a failed drain pump, and we quote the full price before any work starts so there are no surprises.

Do you fix leaks in older systems as well as new ones?

Yes, we repair every brand regardless of who fitted it, and plenty of the leaking units we see around Gilles Plains are older systems in the Trust-era cottages that have gone years without a service.

Talk to a local

Book Your Aircon Leak Repair Today

A leaking air conditioner will not dry up on its own, and every extra day risks a ceiling. Ring (08) 8246 6283 and tell us what you are seeing: we will find the cause, quote it fixed-price and have the system running dry again. New customers get $50 off first service.

Call (08) 8246 6283 Request a fixed quote

$50 off first service for new customers.

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