Air Conditioning Installation Cost Calculator
Estimate the cost to install air conditioning in Australia. Choose the system type and size, then see both the install cost and a 5-year cost including running.
Your air conditioning installation details
Running cost depends on usage, these are typical annual figures.
Your estimate sits within the typical range.
Your estimate sits within the typical range.
Where the money goes
Estimated breakdown for your configuration
Ways to save
- A split system for one or two rooms is far cheaper than ducted.
- Install in shoulder season (autumn/spring) for off-peak installer rates.
How we estimate this
Air conditioning installation in Australia in 2026 typically costs $600–$1,200 for a single split system, $2,500–$6,000 for multi-split, and $7,000–$20,000 for ducted, including the unit and standard install.
Pricing reviewed: October 2026.
Air conditioning installation prices by city
Costs vary by city. See the local breakdown for your capital.
Doing more than just air conditioning installation?
Build a combined estimate across every part of your project in one place.
Pricing reviewed October 2026. Indicative Australian costs, not a quote.
Understanding air conditioning installation costs in Australia
Air conditioning installation in Australia in 2026 typically costs $600–$1,200 for a single split system, $2,500–$6,000 for multi-split, and $7,000–$20,000 for ducted, including the unit and standard install.
Running cost is the hidden number, ducted whole-home systems cost far more to run than a single split. Difficult access, new circuits and smart controls add to the install price.
Frequently asked questions
How much does air conditioning installation cost in Australia?
A single split system typically costs $600–$1,200 installed in 2026, multi-split $2,500–$6,000, and ducted $7,000–$20,000 depending on home size.
Is ducted or split air conditioning cheaper?
Split systems are far cheaper to install and run for one or two rooms. Ducted suits whole-home comfort but costs much more to install and run.
Can I install air conditioning myself?
No, in Australia air conditioning must be installed by a licensed refrigeration mechanic and signed off by a licensed electrician.
Are you a trades business?
Everyone on this page is working out what air conditioning installation costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $100/mo.