“Our split stopped cooling in a heatwave. FreshDuct found a leak on the outdoor unit, repaired it and re-gassed it — icy cold again the same day.”
Verified
Balwyn’s big interwar brick homes were mostly fitted with split systems well after they were built, and a lot of those early retrofits are now ten to fifteen years old. When one stops cooling, throws a code or runs weak, FreshDuct finds the real fault and repairs it — all major brands, 7 days.
An early retrofit that has hit mid-life often needs one part, not a whole new system — we tell you which.
Balwyn is a suburb of substantial interwar and Californian-bungalow homes on generous blocks, and almost none of them were designed with air conditioning in mind. The split systems doing the cooling were bolted on years later, mounted on long runs through solid brick, and many of those installs are now well into their second decade of hard summer use.
That age is where the problems start. Once a unit passes ten years the capacitor weakens, the outdoor fan bearing wears, and the refrigerant charge that was fine at install has quietly dropped. We work out whether a Balwyn system is worth a targeted repair or has genuinely reached the end, so you are not paying to nurse along something past saving.
The faults we see most on Balwyn split systems — based on the local homes, install styles and conditions.
Long refrigerant runs through Balwyn’s brick walls develop pinhole leaks over the years. We pressure-test to locate exactly where the charge is escaping, repair the joint, then re-gas to spec — never a blind top-up.
Splits fitted a decade or more back start failing part by part. We test the capacitor, fan motor, sensors and charge together so you get an honest repair-versus-replace call instead of a string of separate visits.
A unit cooling large Balwyn rooms runs its condenser hard every summer, and the fan motor and capacitor wear first. When the outdoor fan stalls the system trips on high pressure; we test and replace both.
Real photos from FreshDuct split-system diagnostics, refrigerant work and repairs. We document every job with clear before-and-after photos.



One local team for the whole system — from a not-cooling diagnosis and re-gas to parts, board repairs and an annual tune. Need a hygiene clean instead? We do that too.

Not cooling or heating? We fault-find the whole system — refrigerant, electrics, sensors and board — and tell you plainly what it needs.
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Low on refrigerant means a leak. We pressure-test, find and repair the leak, then re-gas to the correct charge — not just a top-up.
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A full service and tune — pressures, electrics, capacitor, fan and drain checked so the system runs efficiently and reliably.
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Capacitors, fan motors, PCBs, sensors and contactors sourced and replaced for all major brands, with a clear quote first.
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Need a hygiene clean instead? Deep coil and barrel-fan cleaning, mould treatment and sanitising for cleaner, healthier air.
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Ducted, evaporative and multi-head systems too — one local team for heating, cooling and ventilation across Melbourne.
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When an older Balwyn split stops cooling we do not assume it is gas. We run the unit, read any fault codes, and check the capacitor, outdoor fan motor, contactor and refrigerant pressures in turn so the actual failed component shows itself before we quote a cent.
On a ten-plus-year retrofit the answer is often a tired capacitor, a seized fan motor or a slow leak on a long line-set. Where a repair makes sense we fit the part or seal and re-gas the circuit; where the compressor is on the way out we say so plainly and talk through replacement rather than throwing money at it.
FreshDuct repairs and services split systems right across Balwyn and Balwyn North, and we are frequently on jobs nearby in Camberwell, Kew, Box Hill and Doncaster, so fitting a Balwyn booking into the run is rarely a problem.
From the landmark homes along Whitehorse Road to the quieter streets around Balwyn shops, we can usually offer a prompt slot and will push a failed system to the front of the queue when a heatwave has knocked it out.
A methodical diagnosis and repair — we find the actual fault, quote it clearly, and fix it right the first time.
We run the system, read any error codes and test the electrics, sensors and refrigerant pressures to find the real fault, not just the symptom.
If it is low on gas we pressure-test to find the leak — a re-gas without fixing the leak just fails again in a season.
You get a clear, itemised quote before any part is fitted — capacitor, fan motor, PCB, sensor or a re-gas, with honest advice on repair-versus-replace.
We fit the part, repair the leak and re-gas to the manufacturer charge, then re-test cooling and heating output.
Electrics, contactor, fan, drain and airflow checked and tuned so the system runs efficiently and reliably.
A clear report with photos and honest advice on whether to keep servicing or plan a replacement.
Verified 5-star reviews from across FreshDuct’s split-system, heating and cooling services.
“Our split stopped cooling in a heatwave. FreshDuct found a leak on the outdoor unit, repaired it and re-gassed it — icy cold again the same day.”
Verified
“Bedroom head was throwing an error code and shutting down. They diagnosed a faulty PCB, quoted it and had it running the next visit.”
Verified
“Honest team — the outdoor fan motor had failed and they replaced it rather than pushing a whole new system. Saved me a fortune.”
Verified
“Great communication. They tested the capacitor and pressures, showed me the readings and explained exactly what was wrong.”
Verified
“Multi-head system, one room never cold. They tracked it to a blocked drain and low charge on that circuit and sorted both.”
Verified
“Quick, professional and tidy. The report and photos showed exactly what they checked and fixed on the unit.”
Verified
We cover Balwyn and the surrounding suburbs. Explore nearby areas and related FreshDuct services.
Often yes. At that age it is usually a single worn part — a capacitor, fan motor or a slow leak on the line-set — and a targeted repair is far cheaper than replacement. If we find the compressor is failing or the whole unit is tired we will tell you honestly, so you can weigh a repair against a new install rather than guess.
That pattern usually means the outdoor side is struggling — a weak capacitor, a slow-spinning fan motor or a system low on refrigerant, all of which let pressures climb until the unit protects itself and shuts down. We test the condenser electrics and the charge to find which it is, then repair the cause rather than just resetting it.
Yes. FreshDuct diagnoses and repairs split systems across Balwyn and the surrounding eastern suburbs, 7 days a week — not-cooling and not-heating faults, re-gas and leak detection, error codes and parts for all major brands. Call 04 3191 8137 or request a free quote.
It is usually one of a few things: low refrigerant from a slow leak, a failed capacitor or fan motor on the outdoor unit, a blocked filter or coil, or a fault on the control board. We diagnose the actual cause rather than guessing, and quote the repair before we start.
We do, but a split system is a sealed circuit — if it is low on gas it has a leak. A top-up alone just leaks out again within a season, so we pressure-test to find the leak, repair it, then re-gas to the correct manufacturer charge.
It depends on the age, the brand and the fault. A capacitor, fan motor or sensor on an otherwise sound unit is well worth repairing; a failed compressor or a leaking coil on a 12-to-15-year-old system often is not. We give you honest, itemised advice either way.
Not-cooling & not-heating diagnostics, gas re-gas and leak detection, error-code faults, capacitor, fan-motor and board repairs, and an annual tune — a clean, documented service with photo proof. Available 7 days.
Tell us the fault and your split system — we respond fast, 7 days.