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Sydney asks a lot of a split system: sticky coastal summers, salt in the air near the beaches and 40-degree days out west. When yours blows warm air, drips down the wall, flashes an error code or trips the power, our licensed refrigeration technicians and electricians find the actual fault. The technician inspects and quotes before any work, and you approve first.
Any one of these is worth a call. They rarely fix themselves.
Humidity. On a muggy Sydney day a split system pulls litres of water out of the air, and all of it has to leave through a thin drain line. A little slime or dust in that line is enough to back the water up into the tray and down the wall, which is why leaks cluster in February and March.
Salt air. Within a few kilometres of the coast, salt settles on the outdoor coil and the electrical connections. Over time it corrodes the thin aluminium fins and copper tubing, which ends in pinhole refrigerant leaks and corroded terminals. Our guide to air conditioning near the coast covers how to slow that down.
Western Sydney heat. In suburbs like Penrith, Blacktown and Liverpool, a system can run flat out for hours in temperatures near its design limit. That heat is hard on run capacitors, fan motors and the compressor, and it is when protection trips and failed starts show up.
A repair makes sense when the fault is a part: a fan motor, a capacitor, a sensor, a drain or a control board that can still be sourced. If the system is short of refrigerant there is a leak, and our aircon regas service in Sydney finds and repairs it before recharging. A top-up without the repair only buys a few weeks.
Replacement starts to make sense when a coastal unit has a coil that is corroded right through, when parts are no longer made, or when the compressor fails on an older system. We say so plainly when that is where it lands, and our Sydney air conditioning installation guide explains the next step. And sometimes the fix is simpler: a clogged coil and barrel fan behave like a faulty unit, and a proper split system clean in Sydney brings it back.
A lot of Sydney systems live in apartments, with the outdoor unit squeezed onto a balcony, hung on a wall or grouped on a rooftop plant deck. Units boxed in behind screens or packed close together breathe their own hot air back in, so they run hot and trip on high pressure on the warmest days. When you book, tell us where the outdoor unit is. If it is on a roof or in a plant room, let your building manager know so access is ready when the technician arrives. Our apartment air conditioning guide has more on what strata buildings usually allow.
Our technicians work on Daikin, Mitsubishi Electric, Mitsubishi Heavy Industries, Fujitsu, Panasonic, Samsung, LG, Toshiba, Hitachi, Kelvinator, Rinnai and the other split systems you find in Sydney houses and apartment blocks. A board for a five-year-old Daikin and a fan motor for a fifteen-year-old no-name unit are very different parts to source, so we check availability before you get a quote rather than discovering a problem mid-repair.
First, the remote: new batteries, and a mode of cool or heat rather than fan or dry. Second, the filters behind the front cover; a matted filter on its own can make a healthy unit feel broken. Third, the switchboard. One reset of a tripped air conditioner circuit is fine. A second trip means a fault, so leave it off and book us. The outdoor unit and its pipes are best left alone: there is mains voltage inside and refrigerant under high pressure.
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Brands we service — heating, cooling & fireplaces
MitsubishiFujitsuPanasonicBrivisBraemarBreezairToshibaCoonaraScandiaCannonEsceaHeatcharmEurekaCheminees PhilippeClean AirNectreJindaraRegencyMitsubishiFujitsuPanasonicBrivisBraemarBreezairToshibaCoonaraScandiaCannonEsceaHeatcharmEurekaCheminees PhilippeClean AirNectreJindaraRegencyAll of this is part of the visit. Repairs and parts are priced first and only go ahead on your approval.
Brand, rough age, any error code, and where the outdoor unit sits: balcony, wall, roof or ground.
Both units, the wiring and the refrigerant circuit checked, and the cause shown to you.
The technician inspects and quotes before any work, and you approve first. No surprises later.
The fix is made, the system is run in cooling and heating, and then you pay.
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.
It depends on the fault: a blocked drain and a failed compressor are very different jobs. We do not guess repair prices over the phone. You approve the quote before any work starts. There is no call-out fee and you pay after the job.
On humid days the indoor unit removes far more water from the air, and a drain line that is partly blocked cannot keep up, so the tray overflows. Clearing and checking the drain usually fixes it.
Yes, over time. Near the coast, salt corrodes the outdoor coil fins, copper tubing and electrical terminals, which leads to refrigerant leaks and electrical faults. Rinsing the outdoor coil and regular servicing slow it down.
Every system has a design limit. On 40-degree days a dirty outdoor coil, a weak fan motor, low refrigerant or an outdoor unit boxed in with no airflow can push it into protection trips. The technician checks each of those.
Yes. Tell us where the unit is when you book. If it is on a roof or plant deck, ask your building manager to have access ready so the technician can get to it.
Age alone does not decide it. A failed capacitor or fan motor on an older unit is usually worth fixing. A seaside coil corroded right through, a dead compressor or parts that are no longer made push it towards a new system. You get a straight call on your unit before any spend.
The common split system brands in Sydney homes and apartments, including Daikin, Mitsubishi Electric, Fujitsu, Panasonic, Samsung, LG, Toshiba, Hitachi, Kelvinator and Rinnai.
After the job is done and tested. Cash, card or bank transfer.
Split system repairs Sydney
FreshDuct repairs split system air conditioners across metropolitan Sydney, 7 days a week. Our licensed refrigeration technicians and electricians diagnose the fault, explain it with photos and quote before any work. Nothing goes ahead until you approve, and you pay after the job.
Air conditioner not cooling in Sydney
When a split system stops cooling, the cause is usually refrigerant, airflow or the outdoor fan, and in coastal suburbs, corrosion behind all three. We find the actual fault and fix that rather than topping up gas and hoping.
Reverse cycle not heating in winter
Sydney winters are short, so a heating fault often goes unnoticed until the first cold week. Sensors, the outdoor fan, the reversing valve and refrigerant level are the usual causes, and every repair finishes with a test in both modes.
All of metropolitan Sydney, 7 days a week — and if your suburb is not listed, we still come to you. The office confirms the details for your address when they call with your free estimate.
Tell us the brand, the age and what it is doing. You approve the quote before any work starts.
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