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Split System Air Conditioning Installation
G★★★★★
4.6 · 2,000+ Google reviews
4.6 · 2,000+ Google reviews
A split system is the most popular way to cool and heat a single room or open-plan space, and a professional installation is what makes it quiet, efficient and long-lasting. Get it wrong and you end up with poor airflow, higher power bills, water leaks and even a voided manufacturer warranty.
At Same Day Trades, our licensed, ARC-certified technicians install split system air conditioners of every brand and size, from a single bedroom unit to a multi-head system for the whole home. We handle the site assessment, mounting, pipework, electrical connection, commissioning and clean-up, all in one visit where we can. We service Brisbane, Perth and Adelaide with upfront fixed pricing and fast turnaround.
Why choose Same Day Trades for split system installation?
We are licensed, ARC-certified technicians who install, service and repair air conditioning every day, with tidy workmanship and no surprises.
- ARC-licensed technicians
- Upfront fixed pricing before we start
- All brands installed, serviced and repaired
- Same-day service where we can
- Servicing Brisbane, Perth and Adelaide
Your system is left tested and running properly, every time.
What is a split system air conditioner?
A split system air conditioner is the most popular type of air conditioning in Australian homes, made up of two parts, an indoor unit mounted on a wall inside the room, and an outdoor unit (the compressor and condenser) installed outside, connected by refrigerant pipes. This split design is why it is quiet inside and cost-effective to run. A split system is the ideal way to cool and heat a single room or open-plan area, with lower upfront and running costs per room than ducted. Most modern splits are reverse cycle, cooling in summer and heating in winter. We supply and install split systems of all brands and sizes across Brisbane, Perth and Adelaide.
Why choose a split system?
Split systems are popular for good reasons:
- Cost-effective, lower upfront and running cost to condition one room or area
- Efficient, especially modern inverter models
- Quiet, with the noisy compressor outside
- Reverse cycle, cooling and heating from one unit
- Flexible, condition only the rooms you use
- Quick to install compared with ducted
If you want to cool and heat a bedroom, living area or open-plan space without the cost of a whole-home ducted system, a split system is usually the best-value choice, and we will help you pick the right one.
Single-head and multi-head splits
A single-head split system has one indoor unit connected to one outdoor unit, the most cost-effective way to condition a single room or area. A multi-head system connects several indoor units (typically up to five) to one outdoor unit, so you can cool or heat multiple rooms while only taking up one spot outside. Multi-head costs more up front but is ideal for apartments, townhouses and homes with limited outdoor space, and each indoor head can usually be controlled independently. If you want to condition two or more rooms, we will help you decide between several single-head units or a multi-head system, based on your layout, outdoor space and budget.
Types of indoor units
Split systems come with different indoor unit styles to suit different spaces:
- Wall-mounted, the most common and cost-effective, mounted high on a wall
- Floor-mounted (console), ideal where wall space is limited or for easier access
- Ceiling cassette, flush-mounted in the ceiling, distributing air in multiple directions, great for open-plan areas
- Bulkhead, a compact ducted-style head for discreet installation
Wall-mounted units suit most rooms, but we can recommend and install the right style for each space, so your air conditioning fits both the room and the way you use it.
What size split system do I need?
Choosing the right capacity, measured in kilowatts (kW), is the key to comfort and efficiency. A unit too small will struggle and run constantly, while one too large wastes energy and cycles on and off. As a rough guide, 2.5 kW suits a small bedroom, 3.5 kW a medium room, 5 to 6 kW a large living area, and 7 to 9 kW a large open-plan space. But ceiling height, insulation, window size and orientation, and climate all affect the result, so these are only a starting point. Our technician confirms the right size on site before you buy, so your split system is correctly matched to the space, comfortable and economical to run.
Reverse cycle: cooling and heating
Most split systems we install are reverse cycle, meaning the same unit both cools in summer and heats in winter, so you get year-round comfort from a single appliance. Reverse cycle is one of the cheapest and most energy-efficient ways to heat an Australian home, often costing far less to run than electric or gas heaters, which makes a reverse cycle split a smart choice for both seasons. If you only need cooling, cooling-only units exist and cost a little less, but for most homes the small extra for reverse cycle is well worth it for the efficient winter heating. We will advise which suits your needs and climate.
Inverter technology and efficiency
Modern split systems use inverter technology, which is a major efficiency advance. Instead of switching the compressor fully on and off to maintain temperature (as older fixed-speed units did), an inverter ramps the compressor smoothly up and down, running gently to hold the set temperature. This uses less energy, holds a steadier, more comfortable temperature, and is quieter. Combined with a good energy star rating, an inverter split is cheap to run. Correct sizing and a quality installation matter just as much as the star rating, because an oversized unit or a poor install wastes energy regardless. We install efficient inverter systems, correctly sized, so your running costs stay low.
Choosing the right brand
We install and supply all the major air conditioning brands, so you can choose the unit that suits your budget and needs, including Daikin, Mitsubishi Electric, Fujitsu, Panasonic, Kelvinator, Haier and others. Already bought a unit? We are happy to install one you have supplied. Prefer us to supply it? We will recommend a reliable model in the right capacity and quote supply and install together, so it is one simple job. The best brand for you depends on your budget, the features you want, and the capacity you need, and we will give you honest advice rather than pushing a particular make.
Where to position the units
Where the indoor and outdoor units go makes a real difference to performance, running cost and noise. The indoor unit is positioned to circulate air evenly across the room and away from where you sit or sleep, usually high on a wall. The outdoor unit needs good airflow around it, runs more efficiently out of direct afternoon sun, and should be placed to keep noise away from bedrooms and neighbours and to keep the pipe run short and efficient. Good positioning also allows easy access for future servicing. We work all of this out during the on-site assessment, so your split system is quiet, efficient and well-placed, not just installed wherever is easiest.
Our installation process
We keep installation day straightforward and tidy:
- Assessment, we confirm the best position for the indoor and outdoor units and check the electrical supply
- Mounting, we fit the brackets and secure both units
- Pipework and drain, we run and insulate the refrigerant lines and set the condensate drain to fall correctly
- Electrical, we connect the system safely, adding a dedicated circuit where needed
- Vacuum, charge and commission, we evacuate the lines, charge the system, and test cooling and heating
We tidy up and show you the controls before we leave.
How much does split system installation cost?
Installation is priced by capacity and complexity. As a general guide, a single-head split supply-and-install usually runs around $1,100 to $3,700 depending on the size and brand, while multi-head systems range from around $3,000 to over $6,000. Longer pipe runs, difficult access, double-storey installs, and electrical upgrades can add to the price, while a straightforward install on a single-storey home is at the lower end. We assess your home, recommend the right unit, and give you an upfront fixed quote, including supply if you want us to provide the unit, so there are no surprises on the day.
Old unit removal and same-day service
Replacing an old split system? We can remove and dispose of your old unit as part of the job, recovering the refrigerant legally, just let us know when you book. Where we have the right unit available, we can often install the same day across Brisbane, Perth and Adelaide, so you are not sweating through a heatwave waiting for an appointment. Our phones are answered around the clock. We carry common units and keep the whole job to a single, tidy visit wherever possible, from assessment to a fully commissioned, working system, with an upfront fixed price before we start.
Keeping your split system efficient
Once installed, a split system needs a little maintenance to stay efficient and reliable, and to keep the air clean. The filters should be cleaned regularly, and the system benefits from a professional service each year, which cleans the coils and drain, checks the refrigerant and keeps it running at peak efficiency. Regular servicing also maintains the manufacturer warranty, which usually requires it. A well-maintained split system runs cheaper, lasts longer and blows cleaner air. We can set you up with a service schedule to protect your investment, so your split system keeps delivering comfortable, efficient cooling and heating for many years.
Licensed, ARC-certified installers
Split system installation involves refrigerant and electrical work, so by law it must be done by qualified people. Our technicians hold the Australian Refrigeration Council (ARC) licence and the electrical qualifications required, so your system is installed correctly, your manufacturer warranty stays valid, and the job meets Australian Standards. You get honest advice on the right unit and size, correct positioning, upfront fixed pricing, old-unit removal, and same-day service where we can. For split system installation done properly, by licensed, ARC-certified technicians, we cover Brisbane, Perth and Adelaide. We also install ducted systems for whole-home comfort.
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What our customers say?
Why choose us?
Trusted Tradesmen
With hundreds of 5 star reviews, we’re the local tradesmen you can trust.
Transparent Pricing
We make sure you know exactly what you are paying for ahead of time.
Licensed And Insured
You’re in safe hands as our tradesmen are fully licensed and insured to do your job.
Workmanship Guarantee
Our work will be free of defects in workmanship and workmanship will be warranted for life.
Convenient Bookings
We offer convenient booking times that can be worked around your schedule.
Available All Hours
We take calls 24 hours a day and 365 days a year so that we’re always available to be of service.
Trusted Tradesmen
With hundreds of 5 star reviews, we’re the local tradesmen you can trust.
Transparent Pricing
We make sure you know exactly what you are paying for ahead of time.
Licensed And Insured
You’re in safe hands as our tradesmen are fully licensed and insured to do your job.
Workmanship Guarantee
Our work will be free of defects in workmanship and workmanship will be warranted for life.
Convenient Bookings
We offer convenient booking times that can be worked around your schedule.
Available All Hours
We take calls 24 hours a day and 365 days a year so that we’re always available to be of service.
Split system installation FAQs
How much does it cost to install a split system?
As a general guide, a single-head supply and install usually costs between around $1,100 and $3,700 depending on the unit’s capacity, the pipe run and any electrical work. Multi-head systems cost more. We give you an upfront fixed price before we start.
How long does a split system installation take?
A straightforward single-head back-to-back installation usually takes two to four hours. Longer pipe runs, multi-head systems or extra electrical work take longer, and we let you know when we quote.
What size split system do I need?
It depends on the room size, ceiling height, insulation and aspect. As a rough guide, 2.5 kW suits a small bedroom and 5 to 6 kW suits a large living area. Our technician confirms the right size on site.
Can you install any brand of split system?
Yes. We install all major brands including Daikin, Mitsubishi Electric, Fujitsu, Panasonic, Kelvinator, Haier and Rinnai. We can supply the unit or install one you have already bought.
What’s the difference between single-head and multi-head?
A single-head system has one indoor and one outdoor unit for a single room. A multi-head runs several indoor units from one outdoor unit, which suits homes with multiple rooms or limited outdoor space.
What is a reverse cycle split system?
A reverse cycle system both cools and heats, so one unit keeps you comfortable all year. It is one of the cheapest and most efficient ways to heat an Australian home.
Where should the outdoor unit go?
The outdoor unit needs airflow, access for servicing, and a position that keeps noise away from bedrooms and neighbours. We confirm the best spot during the on-site assessment.
Do you remove my old air conditioner?
Yes, we can remove and dispose of your old unit as part of the job. Let us know when you book so we include it in your quote.
Can I install a split system myself?
No. Charging refrigerant requires an ARC licence and the electrical connection must be done by a qualified person. A DIY install is illegal, unsafe and will void your warranty.
Are your installers licensed?
Yes. Our technicians hold the ARC refrigerant licence and the electrical qualifications required, which keeps your warranty valid and the install compliant with Australian Standards.
Will a new split system lower my power bills?
A correctly sized, high-efficiency inverter unit that is professionally installed will usually run cheaper than old or oversized systems, especially for heating where reverse cycle beats most alternatives.
Do you offer same-day installation?
Where we have the right unit available we can often install the same day across Brisbane, Perth and Adelaide. Call 1300 632 094 and we will let you know the soonest we can reach you.