Split System Installation Cost
A cited 2026 Australian guide puts a smaller split system supplied and installed around A$600–A$750, two-unit systems around A$750–A$3,000 by capacity, and multi-split systems reaching roughly A$3,900–A$4,900. Installation labour alone is cited separately at about A$600–A$1,500 by complexity — a different scope we keep apart from the system totals.
System totals (supplied & installed)
These 2026 figures are the unit supplied and installed, by system type:
Split system — smaller unit (supplied & installed)
A$600–A$750
Smaller split system supplied and installed (system total) from a 2026 national guide.
- Includes
- Unit and standard installation for a small system
- Excludes / unclear
- Long pipe runs; New electrical circuits; Multiple rooms
Split systems — two-unit (supplied & installed)
A$750–A$3,000
Two-unit split systems supplied and installed, varying by capacity, per a 2026 national guide.
- Includes
- Units and standard installation
- Excludes / unclear
- Complex installs; Electrical upgrades
Multi-split systems (supplied & installed)
A$3,900–A$4,900
Multi-split systems supplied and installed can reach this range per a 2026 national guide.
- Includes
- Outdoor unit and multiple heads with installation
- Excludes / unclear
- Very long pipe runs; Major electrical work
Installation labour only
A separate 2026 installation guide cites installation labour on its own — a different scope from the system totals above:
Split installation — labour only
A$600–A$1,500
Installation labour only (not the unit), by complexity, per a separate 2026 installation guide.
- Includes
- Installation labour
- Excludes / unclear
- The unit itself (hardware)
Different scopes, kept separate
What affects the price
Bigger rooms need higher-capacity units. A back-to-back install on an external wall is simpler (and cheaper) than a long pipe run through the roof. New circuits or a switchboard upgrade add electrical cost. Multiple heads multiply the labour.
Running cost
Estimate ongoing electricity with the running cost calculator, using the unit's input power (or capacity plus efficiency) and your tariff.
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Your estimate
Enter your values and select Calculate to see the estimate.
Questions to ask installers
- Is the capacity right for the room size and orientation?
- Is the standard pipe run length enough, or will extra be charged?
- Is any electrical work (new circuit, switchboard) included?
- What warranty applies to the unit and the installation?
Sources
- How much does it cost to install a split system air conditioner? [2026] hipages · 28 January 2026 · Last checked 20 September 2026
- How much does air conditioning installation cost? [2026] hipages · 2026 · Last checked 20 September 2026