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Bleach kills the mould you can see. It does nothing about the litres of steam every shower leaves in the air – and that steam is why the black spots return every month. FreshDuct fixes the ventilation that causes bathroom mould, then treats the mould properly, as one job.
Tick two or more and it is time to book — every one of these gets worse, never better, on its own.
Sydney’s problem is humidity, and it does not switch off in winter. Air that is already carrying moisture cannot absorb much more, so a shower in a Sydney bathroom leaves the room wet for longer than the same shower in a drier city – and an underperforming fan has far less margin before mould appears.
The second factor is density. A huge share of Sydney bathrooms sit in apartments with no window at all, extracting through a shared riser that serves the whole stack. When that riser or its roof fan is neglected, every apartment above it loses extraction at once – which is why so many of our Sydney callouts end up being building problems, not unit problems. We service single apartments and whole blocks.
Mould needs two things: spores, which are everywhere and always will be, and moisture. You cannot remove the spores. You can absolutely remove the moisture – and that is the entire game. A bathroom that dries within minutes of a shower cannot sustain mould growth, no matter how little you scrub.
Every shower releases litres of water as steam. In a bathroom with working extraction, that steam is outside the building before it condenses. In a bathroom with a dead, undersized or roof-venting fan, it soaks into the coldest surfaces – ceiling paint, grout, silicone, window frames – and the colony you killed last month rebuilds on schedule.
This is why mould treatment alone is a subscription, not a solution. Kill the mould without fixing the airflow and you have booked yourself the same job again in six weeks.
Step one: make the steam leave. The $99 inspection tests what your fan actually extracts, checks the duct run and where it discharges, and takes moisture readings. The fix might be a deep clean of a dust-strangled fan, a repair, a properly sized replacement from $250 complete, or ducting a roof-venting fan to the outside where it should have gone in the first place.
Step two: treat what the moisture built. With the cause gone, our mould remediation team treats ceilings, walls, grout and silicone properly – not a bleach wipe, an actual remediation with the moisture source verified dead so the work holds.
One company, both halves, photo-documented. That is the difference between this page and a tub of mould killer.
Trusted by thousands of clients — homes, councils, universities & agencies
Brands we service — heating, cooling & fireplaces
We find why the room keeps holding moisture. Treating mould without that is a subscription, not a fix.
Ceiling spots, grout lines, musty towels – and how often you are cleaning it off.
Fan output tested, duct run traced, discharge checked, moisture read. The cause, found.
Clean, repair, replace or re-duct – quoted firm, and done in the same visit wherever the parts allow.
With the steam gone, remediation actually lasts. Photos before and after, payment after the job.
Real reviews from verified FreshDuct customers — find hundreds more on our Google profile.
Rated 5 out of 5 stars
“Cannot say enough about Gabriel and his team. They were very professional with their job. He taught me what I am supposed to know about vents and how to take care of them. They did an amazing job.”
Rated 5 out of 5 stars
“Our ducts had not been cleaned in 9 years. I was really happy with their professionalism and speed. They respected our house rules and the air in my home is really fresh and clean.”
Rated 5 out of 5 stars
“Outstanding service! Manny was very professional and polite. This is by far the most thorough cleanup that we have experienced. All vents were cleaned and sanitised.”
Rated 5 out of 5 stars
“Adam and his team were professional and very service oriented. They provided detailed before and after pictures to confirm the work and effort. Highly recommend FreshDuct.”
Rated 5 out of 5 stars
“Tom and Eddie did an outstanding job cleaning my air ducts. I scheduled my appointment yesterday and the job was completed within 24 hours. Very satisfied with the service.”
Rated 5 out of 5 stars
“We had pet stains and a bad smell in the carpet and air ducts. After FreshDuct visited, the house smells fresh and clean again.”
Rated 5 out of 5 stars
“Our house flooded in the storms with over a metre of water. FreshDuct came recommended by our neighbours and arrived the same day.”
Rated 5 out of 5 stars
“They were clear up front about pricing and exactly what was included. Very thorough from start to finish.”
Branded vans, uniformed technicians, professional equipment — the team your neighbours already know.
Because cleaning removes the colony, not the conditions. The moisture that built the first colony is still arriving with every shower, so regrowth is just a schedule. Fix the extraction and the regrowth stops having the water it needs.
Mould in living spaces is a health concern – particularly for children, older people, and anyone with asthma or allergies. It is also a tenancy and pre-sale issue. Either way it is a moisture problem before it is anything else, and the moisture is fixable.
Running is not extracting. If the mirror stays fogged with the fan on, the fan is failing the only test that matters. Dust load, an undersized unit, a crushed duct or a roof-cavity discharge are the usual culprits – the $99 inspection identifies which.
Some fans blow the steam straight into the space above your ceiling instead of through a duct to the outside. The moisture then condenses on roof timbers and insulation – mould you cannot see, above the room you just fixed. We re-duct these to a proper outside discharge.
Yes – that is the point of this page. FreshDuct runs a dedicated mould remediation service, so the same booking covers the ventilation fix and the proper treatment of ceilings, walls, grout and silicone.
A dehumidifier fights the symptom continuously, at power cost, forever. A working exhaust fan removes the steam at the source in minutes, automatically, every shower. Extraction first; dehumidifiers are a supplement, not a fix.
Persistent mould from inadequate ventilation is a property problem. Landlords and agents book us for exactly this: fix the extraction, remediate the mould, document both with photos for the file.
The inspection is $99. If the fan needs replacing, complete like-for-like jobs start at $250. Re-ducting and new installations run $550 to $1,200 complete. Mould remediation is quoted after assessment – always firm, always before work starts.
Immediately. With real extraction the mirror clears in minutes and surfaces dry the same hour. Existing staining still needs treatment, but the cycle that created it is broken from the first shower.
If the ventilation is fixed – possibly. If not, paint is temporary wallpaper for the same problem, and mould happily grows through or behind it. Fix the airflow before spending on paint.
FreshDuct attends mould-and-steam bathrooms across all of Sydney, 7 days a week – old weatherboards with no fan at all, 90s brick veneers with roof-venting shortcuts, and new apartments where the builder-grade fan never matched the room. The pattern differs; the physics never does: remove the steam, starve the mould. Suburbs we cover include Bondi, Randwick, Parramatta, Chatswood, Manly, Newtown, Surry Hills, Ryde, Hornsby, Liverpool, Penrith, Cronulla, Bankstown, Blacktown and everywhere between.
Cold surfaces condense more steam, windows stay shut, and showers run hotter and longer. If your bathroom holds mould at bay in summer but loses every winter, that is the signature of borderline extraction – working just well enough in easy conditions and not at all in hard ones.
Musty smells in a bedroom, wardrobe or hallway beside the bathroom mean the moisture is travelling. Steam that cannot leave through the fan leaves through the door and settles in the coolest fabric-filled room it can find. Fixing the bathroom extraction fixes the neighbour rooms too.
The $99 inspection covers fan output, ducting, discharge point and moisture readings – and ends with a firm quote for whichever fix your bathroom actually needs. No generic mould fog, no guessing, and no selling a replacement when a deep clean will do.
Same-day slots most days, 7 days a week, right across metropolitan Sydney — and if your suburb is not listed, it is almost certainly still covered. Just ask.
One inspection finds the cause. One visit usually fixes it. And the next time you scrub that ceiling can be the last, because nothing will be feeding the regrowth.
