Air conditioner servicing in Perth costs $180 to $260 per unit, with a single split system usually landing between $180 and $200 and a single-storey ducted system closer to $260. Servicing a roof-mounted evaporative cooler sits in a similar band. Labour across the trade runs $80 to $110 an hour plus GST, which is what sits behind most quotes. At QuickAir we’ve serviced heating and cooling in more than 20,000 Australian homes, and our aircon servicing in Perth is a fixed $239 including GST, set before the technician leaves the depot.
Perth is one of the more expensive capitals for a service, which surprises people. National cost guides put a split system service at $86 to $161, and a basic tune-up as low as $75. Perth homeowners routinely report paying $180 to $200 for the same job. Local labour rates and travel distances across a city that stretches more than 100 kilometres north to south are the main reasons.
There is a second Perth factor that no other capital shares to the same degree. A large share of WA homes cool with evaporative rather than refrigerated air conditioning, and plenty of households run both: an evaporative cooler for summer and a reverse cycle split or gas heater for winter. That means two appliances, two service jobs and two schedules, and the two jobs have almost nothing in common mechanically.
Below is what servicing actually costs in Perth in 2026, what a proper service covers on each system type, and how the related jobs price up: repairs, ducted systems, running costs and refrigerant work.
What should you pay to service an air conditioner in Perth?
Budget $180 to $260 per unit for a standard service in Perth. There is no regulated price for residential air conditioning servicing in WA, so it is a quote-based market. The honest way to set a benchmark is to compare published national cost guidance against what Perth jobs are actually going for.
| Type of service | 2026 Perth cost benchmark | What it usually means |
| Standard service, one split system | $180 to $200 | One indoor unit, no faults found |
| Single-storey ducted system service | About $260 | More components, more access time |
| Full range across job types | $180 to $260 per unit | The span most Perth quotes fall inside |
| Published national guidance, split system service | $86 to $161 | What cost guides quote before local factors |
| Basic tune-up, national range | $75 to $200 | The lightest version of the job, filters and a look over |
| Hourly labour rate | $80 to $110 per hour plus GST | Charged on top of parts by most operators |
The Perth rows and the national rows are the ones worth reading together. Perth quotes consistently land above the national guidance figures rather than inside them. If you have been working from a $100 assumption picked up from a generic Australian cost guide, the quotes you get here will feel high. They are normal for this city.
The other thing to check before you compare two quotes is whether a call-out fee is charged on top. Plenty of operators bill one separately, and it is easy to miss. A $180 service with a call-out added is not a $180 service.
We work differently. We publish one national price for the booked service before anyone is dispatched, rather than quoting once a technician has had a look around.
| Service | Typical Perth market | QuickAir published price |
| Standard service, one unit | $180 to $260 | $239, or $229 for returning customers |
| Deep clean of a neglected system | Priced above a standard service | $449, or $439 for returning customers |
| Separate call-out fee | Charged on top by many operators | None |
| Diagnosis when a fault is found | Charged separately | Covered by the booked assessment |
Our price sits inside the Perth range rather than under it, and we are not going to pretend we are the cheapest quote you will get. What you get for it is a fifteen-point service with no call-out fee on top and no separate diagnostic fee, backed by a workmanship guarantee. If the technician finds work beyond the booked service, it is quoted in writing and approved by you before anything happens.
What does an air conditioner service actually include?
A proper service is a set of checks, cleaning tasks and performance tests, and it goes well beyond rinsing the filters under a tap. Consumer group CHOICE draws the line clearly. It says the service person will check refrigerant gas levels, test the thermostat and make sure the internals are in good condition. A professional maintenance service should also deal with the internal components a homeowner cannot reach.
Use this as your quote-comparison list. If a quote does not cover these items, it is a cheaper job than the one you are comparing it to.
| What should be covered | Why it matters |
| Indoor filter clean and sanitise | Estimates put a clogged filter at 5 to 15 per cent extra energy use |
| Evaporator coil and fins | Deeper dirt sits well beyond anything a filter wash reaches |
| Condensate drain | Build-up here is what causes water leaking from an indoor unit |
| Refrigerant level and pressure check | Confirms the charge without assuming the system needs more gas |
| Thermostat and controller test | Separates a maintenance issue from a control fault |
| Outdoor unit inspection and clean | Sand, limestone dust and salt block airflow at the outdoor coil |
| Electrical components and compressor amp draw | Catches worn parts before they fail on a 40 degree day |
| Full performance test | Measures actual airflow and temperature, not just that it turns on |
That first row is the one with real money behind it. CHOICE household expert Chris Barnes says there are estimates that a clogged filter can add 5 to 15 per cent to a machine’s energy consumption. He adds that in practice you may instead see the same power drawn for up to 15 per cent less cooling. Either way you pay more and get less.
Our own checklist runs to fifteen items and covers the list above, along with oiling the fan motor, cleaning the grille and face cover, and clearing rubbish and debris from around the outdoor unit. The full list sits on our service and maintenance page. In our experience a single-unit service takes about an hour.
Why is one Perth quote so much cheaper than another?
Because a very low price usually buys a smaller job. A quote covering filters and a visual inspection is not comparable to one covering an indoor coil clean, drain flush, outdoor unit clean, operating checks and a refrigerant assessment. CHOICE separates routine filter cleaning, which any homeowner can do, from a professional service that deals with internal components. Compare scope first and price second.
The other thing worth asking is what happens if the technician finds a fault. Some quotes are for maintenance only, and diagnosis is charged from the moment the cause needs to be found. That is how a $180 booking becomes a $350 invoice. Ask the question before you book, not after the technician is standing in your hallway.
How much does it cost to service an evaporative cooler in Perth?
Servicing a roof-mounted evaporative cooler in Perth sits in the same $180 to $260 band as a refrigerated service, with roof access and the size of the unit deciding where in that band you land. The job itself is completely different. Nothing about it involves refrigerant.
Perth is the best evaporative city in the country, and the climate is why. The Bureau of Meteorology records mean 3pm relative humidity at Perth Metro of 39 per cent in January and 38 per cent in February, against a mean maximum of 31.4 and 31.7 degrees. Dry heat is exactly the condition evaporative cooling was designed for, which is why so many WA roofs carry one.
An evaporative service is built around water rather than gas.
| Evaporative service item | Why it matters in Perth |
| Cooling pad inspection and clean or replacement | Mineral scale and dust choke the pads and cut airflow |
| Water distribution system and flow control | Uneven flow leaves dry patches on the pads and warm air in the house |
| Bleed-off or dump-drain setting check | The setting that stops mineral build-up wrecking the unit |
| Pump, float valve and water level | The most common source of a cooler that runs but does not cool |
| Leak check on the water line and tray | A roof-mounted leak finds your ceiling before it finds you |
| Fan, motor bearings and belt tension | Determines airflow through the whole duct run |
| Duct and outlet inspection | Perth roof spaces get hot, and old flexible duct sags and splits |
WA local government guidance is direct about the interval. A City of Kalgoorlie-Boulder factsheet states that all evaporative air conditioners require annual service and maintenance. It warns that hard water can do irreparable damage to a unit if the water system is not managed correctly. It adds that the bleed-off and dump-drain cycle times are set by the installer and should not be altered, and points owners to a service technician if water levels need resetting.
That is the part worth taking seriously in Perth. Scale build-up is slow, invisible from the ground, and it is the single most common reason an evaporative unit that was fine five years ago now needs replacing rather than servicing.
If you are weighing the two formats against each other for a Perth home, we have compared the split system against evaporative on cost, comfort and maintenance.
What makes an air conditioner service cost more in Perth?
System type, the number of indoor units and how hard the unit is to reach moves the price more than anything else. A handful of local factors sit on top of that.
- System type and size. A single wall-mounted split system is the quickest job. A ducted system has more components and more places to reach, which is why the Perth ducted benchmark sits about $60 to $80 above the split figure.
- Number of indoor units. Servicing four heads in a multi-split takes far longer than servicing one, and most operators charge per unit after the first.
- Roof access. Perth’s evaporative coolers and ducted systems live in the roof. A steep tile roof, a two-storey home or a tight manhole all add time, and time is billed at $80 to $110 an hour.
- Coastal salt air. Homes along the coastal corridor from Fremantle up through Scarborough, Hillarys and Burns Beach see faster corrosion on outdoor coils, fins and fasteners. Salt-affected units need more cleaning and more frequent attention than the same unit ten kilometres inland.
- Sand and limestone dust. Perth’s soil is sandy and building activity on the urban fringe is constant. Filters and outdoor coils load faster in Baldivis or Ellenbrook than in an established leafy suburb.
- Distance. Perth is a long, thin city. Some operators price travel into a job to Two Rocks or Mandurah differently to one in Mount Lawley, so ask whether travel is included.
- Whether repairs are found. A service that turns up a faulty capacitor or a blocked drain becomes a service plus a repair, and parts are charged on top.
- Season. Perth’s demand peak arrives with the first genuine heat, usually from October. Diaries tighten fast from then through to March.
How often should you service your air conditioner in Perth?
Once a year for most Perth homes. That applies to refrigerated and evaporative systems alike, and the reason is the length and intensity of the cooling season rather than any single manufacturer rule.
There is no single interval that suits every unit. Some manufacturers recommend annual professional servicing, others say every one to two years depending on how hard the system works, provided you keep up the owner maintenance in the manual. Check your model’s manual first, then adjust for how much you actually run the unit and where the house sits.
Filters need attention far more often. CHOICE notes that manufacturers typically recommend cleaning dust filters every few weeks, and at minimum a couple of times a year. In a coastal or new-estate Perth home, lean towards the frequent end.
Book sooner than your annual slot if you notice any of the following:
- Weak airflow, or rooms that take much longer to cool than they used to
- Unusual noise from the indoor or outdoor unit
- Water leaking from the indoor unit
- A musty smell when the system starts up
- Ice forming on the pipework at the outdoor unit
When is the best time to book a service in Perth?
Between June and September. Perth’s service diaries fill from October, when the first run of 35 degree days sends every household to the remote at once, and they stay full until autumn.
Booking in winter or early spring buys you three things: better availability, a technician who is not working through a backlog, and a system proven before the day you actually need it. For evaporative owners it matters more, because a cooler that has sat dry all winter is the most likely of any system to fail on its first hot day. The pads dry out, the pump seizes and the float valve sticks. A pre-season service is what stops that.
How much does air conditioner repair cost in Perth?
Common air conditioner repairs in Perth cost $70 to $200 for straightforward faults, while component failures run $100 to $600 or more. A serious refrigerant leak or compressor failure can push past $1,000.
Repairs are a separate job to servicing. A service is preventive. A repair means diagnosing and fixing an actual fault, and the part that failed usually dominates the bill.
| Repair | Indicative Perth cost | Worth knowing |
| Filter or thermostat replacement | $70 to $200 | The cheapest and most common jobs |
| Circuit board, capacitor or fan motor | $100 to $600 or more | Boards vary enormously by model |
| Refrigerant regas after a leak repair | $150 to $350 | Only valid once the leak itself is fixed |
| Major leak repair or compressor failure | Often past $1,000 | Severity and access decide the final price |
| Evaporative pump or motor replacement | Priced by part, plus roof access time | Roof work adds labour to an otherwise small job |
| Hourly labour rate | $80 to $110 per hour plus GST | Charged on top of parts by most operators |
The everyday faults are the cheap ones, and they get expensive mainly when they are left alone. A blocked condensate drain caught during a service is a few minutes of work. The same drain left to overflow into a plaster ceiling is a different bill entirely.
Our breakdown and repair assessment folds the diagnosis into the booked visit rather than charging for it separately, and our technicians carry major parts, so a lot of faults are sorted in the same visit. Anything beyond that is quoted in writing and approved first. We handle air conditioner repairs in Perth across the metro area, most of them same day or next morning.
Is it worth repairing or replacing an older unit?
It depends on the fault and the age of the system. A blocked drain or a failed capacitor on a healthy eight-year-old unit is worth fixing without much thought. A four-figure compressor or control board bill on a system past a decade is a different conversation. You are spending a meaningful share of a replacement on a unit whose other components are the same age.
Perth adds one factor that tilts the maths. A coastal unit ages faster than its year of manufacture suggests, because salt attacks the coil and the cabinet from the outside in. A twelve-year-old system in Sorrento is often in worse structural condition than a fifteen-year-old one in Gosnells, and that shows up as repeat faults rather than one big failure. We have gone through the full calculation in our guide on whether it is cheaper to repair or replace a Perth air conditioner. If the repair does not make sense, we will say so, with no pressure either way.
How much does ducted air conditioning cost in Perth?
Installing a ducted reverse cycle system in Perth costs $8,500 to $18,000 for a typical whole-home system of 12 to 24 kW, and past $20,000 for a large or multi-storey home. Servicing a ducted system you already own is about $260. Mixing those two answers up is how people end up badly out on their budget.
| Ducted air conditioning expense | 2026 Perth benchmark |
| Typical whole-home system, 12 to 24 kW, installed | $8,500 to $18,000 |
| Worked Perth example, 8 zones and 10 outlets | About $10,900 |
| Larger or multi-storey home | $15,000 to $20,000 and up |
| Servicing a ducted system you already own | About $260 |
The worked example is the most useful row, because it shows where the money actually goes. Eight zones and ten outlets means eight sets of motorised dampers, a zone controller, and ten separate duct runs through the roof space. Zone count and outlet count drive a Perth ducted price at least as hard as the capacity of the box outside, which is why two homes of similar size can be quoted thousands apart.
The other variables behind a quote are substantial: floor plan, ceiling height, insulation, window orientation, and how workable the roof space is. Older Perth homes with limited roof cavities, and homes with an existing evaporative system that has to come out first, are consistently the harder jobs. That is why a phone estimate for a whole-home system is worth very little, and why an on-site installation quote is the only figure worth planning around.
How much does it cost to run air conditioning in Perth?
A typical Perth split system costs about 22 to 72 cents an hour to run, depending on its size. Ducted systems cost more per hour because they condition the whole house, and published national estimates put them at 60 to 95 cents an hour, or higher with every zone open.
WA electricity prices are set annually by the State Government through the Budget process rather than by a market. These are the current regulated residential prices on the standard A1 home tariff, effective 1 July 2026.
| Charge | Rate from 1 July 2026 | Change from 2025 |
| Electricity usage, A1 residential tariff | 33.2621 cents per unit | Up 2.7 per cent from 32.3719 cents |
| Daily supply charge | $1.1924 per day | Up 2.7 per cent from $1.1605 |
The daily supply charge is not part of your air conditioning cost. It covers your connection whether you run the system or not.
To work out what the system adds, multiply the power it draws by the usage rate. CHOICE’s measured running cost data puts average draw at 0.65 kW for a small split up to 4 kW. A medium 4 to 6 kW split draws 1.36 kW, and a large split above 6 kW draws 2.15 kW. Run one for an hour and that is the number of units you are billed for, so applying those figures to the WA rate gives the following.
| System size | Average power draw | Cost per hour at 33.2621c | Cost over a 100 day summer at 8 hours a day |
| Small, up to 4 kW | 0.65 kW | About $0.22 | About $173 |
| Medium, 4 to 6 kW | 1.36 kW | About $0.45 | About $362 |
| Large, over 6 kW | 2.15 kW | About $0.72 | About $572 |
Those are calculations from average consumption data multiplied by the regulated WA rate, not quotes from either source, and they exclude the daily supply charge. The eight hours a day across 100 days is an illustration of a hard-running Perth summer, not a measured average. Inverter systems vary output according to load, so real consumption drops once a well-sealed room reaches temperature.
For a sanity check from the other direction, CHOICE puts average seasonal running costs for cooling at 40 cents per kWh: $82 for a small split, $164 for a medium and $264 for a large. WA’s rate is about 83 per cent of that, which scales those figures to roughly $68, $136 and $220. Perth’s cooling season runs longer than the average-climate assumption behind them, so most households land somewhere between that scaled figure and the harder-running illustration above. Ducted running costs work differently again, and we have set out the hourly calculation for running a ducted system separately.
Does an evaporative cooler cost less to run in Perth?
Yes, substantially. An evaporative cooler runs a fan and a small water pump rather than a compressor, so it draws a fraction of the electricity a refrigerated system does. The trade-off is water use, no heating, and reduced performance on the humid days that arrive in Perth in late summer.
The thermostat is the easiest variable to control on a refrigerated system. The Australian Government’s guidance on heating and cooling is that you save up to 10 per cent for each degree you raise the thermostat when cooling. Moving from 21 degrees to 24 is a real reduction across a Perth summer. Clean filters pull in the same direction, which is the practical argument for booking a service before summer rather than during it. How you run the system matters too, and we have looked at whether it is cheaper to leave it on all day.
Is there a WA rebate for air conditioning running costs?
Yes, but Perth households are not eligible for the main one. The state’s Air Conditioning Rebate subsidises the cost of operating an air conditioner, not buying or servicing one, and it applies to eligible households in areas of high heat discomfort. In practice that means the north of the state rather than the metro area.
Perth households on a concession card may still be eligible for broader energy bill relief. The 2026-27 WA State Budget puts $51 million toward a 10 per cent boost to the Energy Assistance Payment and related rebates. That lands as a credit on your electricity account rather than against any service or install. Check your eligibility with Synergy directly.
How much does an air conditioner regas cost in Perth?
An air conditioner regas in Perth costs $150 to $350 for a split system, covering the refrigerant and the labour. Ducted systems sit higher because they hold a larger volume of refrigerant and have more pipework to leak test.
Here is the part that catches people out. A correctly installed sealed system does not consume refrigerant. If yours is low, it has leaked, and the leak is the actual fault. Terms like “stale gas” and “expired gas” describe something that does not happen inside an air conditioner.
The Australian Refrigeration Council is explicit about what that means for the fix. Its fact sheet on split system air conditioners states that topping up a system before it has been fully tested and all identified leaks repaired is illegal, for any individual. A quote advertising a cheap gas top-up on its own is offering something that should not be done.
A proper refrigerant quote should make clear which of these it covers:
- Diagnosis of the fault
- Leak detection across the pipework
- The leak repair itself
- The refrigerant
- The system test afterwards
Do you need a licence to service air conditioning in WA?
Yes, and there is a distinction here that costs Perth homeowners money every year. Refrigerant work is licensed nationally rather than by state. The Australian Refrigeration Council states that a Refrigerant Handling Licence must be held by any person who carries out work in relation to refrigeration and air conditioning equipment. That covers installing, commissioning, servicing, maintaining and decommissioning it.
The distinction is that not every licence covers every job. The same council’s fact sheet sets out that a Restricted Splits Licence holder can install a single-head split system up to 18 kW of cooling capacity. That holder is not qualified and not permitted to carry out any service, repair or maintenance. In plain terms, the person who legally installed your split system may not be legally allowed to service it. Ask which licence class the technician holds, not just whether they have one.
Every QuickAir technician works under our Australian Refrigeration Council licence, AU-49053, and we hold Registered Electrical Contractor licences in every state we operate in. Electrical work carries its own WA licensing on top, and for Perth homes with a gas heater, gas fitting is licensed separately again.
Frequently asked questions
How much does it cost to service a split system in Perth?
A standard split system service in Perth costs $180 to $200 where no faults are found. National cost guides quote a lower $86 to $161 for the same job, but Perth quotes consistently land above that. Our published price is $239 including GST with no separate call-out fee, or $229 for returning customers.
How long does an aircon service take in Perth?
About an hour for a single unit. It takes longer if the system is in the roof, if several indoor heads are being serviced, or if the unit has not been cleaned in years. A fault that needs closer attention adds time as well.
Does an aircon service include a regas?
No. A service includes checking refrigerant levels and pressures. Adding or replacing refrigerant is separate work, and if a system is low it has leaked, so the leak needs to be found and repaired rather than the system simply refilled.
Do I need to service my evaporative cooler every year?
Yes. WA local government guidance states that all evaporative air conditioners require annual service and maintenance. The water system is the reason. Hard water can do irreparable damage to a unit if the water system is not managed correctly, and that damage is invisible from the ground until the cooler stops working.
How much does it cost to clean a mouldy air conditioner?
A chemical deep clean is priced above a standard service everywhere in Australia, because the indoor unit is stripped and the coils, fan barrel and drain pan are washed rather than wiped. Our fixed price for a deep clean is $449, or $439 for returning customers. Musty smells when the system starts up are the usual sign it is needed.
Can I service my air conditioner myself?
You can clean or replace the filters yourself, and CHOICE recommends doing it every few weeks in a system that runs hard. Anything involving refrigerant, gas or the electrics legally requires a licensed technician, and on an evaporative unit the water system settings should be left to a service technician.
Can I get a service in Perth on the same day?
In most cases yes. We book same day when you call before 11am, and next morning after that, seven days a week and right through summer. Availability tightens from October onwards, so a pre-season booking in winter is still the easier way to get the slot you want.
Is a regular service worth the money in Perth?
For most Perth homes, yes. A clogged filter alone is estimated to add 5 to 15 per cent to what the system draws, and a service keeps airflow up through a cooling season that runs from October to March. It also catches small faults while they are still cheap. It satisfies the proof-of-maintenance condition attached to many manufacturer warranties too.
Getting your Perth system serviced
Working out a ballpark from the ranges above is a sensible first step, but the number that matters is the one you are quoted before anyone turns up. Ask what is included, ask whether a call-out is charged on top, and ask what happens if a fault is found. Those three questions separate a $180 quote from a $260 one faster than anything else.
Our own pricing is published upfront at $239 including GST for a standard service, with no call-out fee and anything beyond the booked scope quoted and approved by you first. Our licensed technicians cover Perth and regional Western Australia, most bookings are the same day or next morning, and every job is backed by our 100% workmanship guarantee. Book online or call us on 1300 730 896.
