Updated monthlyAdelaide price guide Air conditioning
Air conditioning
installation cost in Adelaide
Air conditioning installation in Adelaide costs $1,200–$2,200 for a small split system, $2,300–$3,500 for a large living-area split, and $8,000–$15,500 for whole-home ducted, fully installed, with the biggest price swings driven by suburb, housing stock and season.
What will yours cost?
Licensed installers who service your postcode quote your exact job.
What Adelaide homeowners actually pay
| Job | Installed price | Suits |
|---|---|---|
| 2.5kW split, bedroom, back-to-back install | $1,200–$1,850 | Single bedroom or home office |
| 3.5–5kW split, living room, standard install | $1,950–$2,750 | Apartment living area, medium lounge |
| 7kW split, open-plan living | $2,800–$3,500 | Large open-plan house living zone |
| Ducted, single storey, zoned | $8,000–$11,800 | 3-bed single-storey with roof access |
| Ducted, two storey, zoned | $11,800–$15,500 | 4-bed two-storey family home |
Local factors
Where you live changes the quote
Timing matters
Same house, same unit, different month, different price.
What the same installed job costs through the year, versus fair shoulder-season pricing.
Adelaide installation cost FAQs
How much does it cost to install a split system in Adelaide?
A small bedroom split costs $1,200–$2,200 installed in Adelaide; a large living-area split runs $2,300–$3,500. Brand and install complexity set the spread, double-brick walls and long pipe runs push quotes toward the top.
What does ducted air conditioning cost in Adelaide?
$8,000–$15,500 installed for most Adelaide homes, single-storey zoned systems from the lower end, larger two-storey homes toward the top. High-ceiling villas may need more capacity than floor area alone suggests.
Why do quotes vary so much across Adelaide?
Housing stock. A new build in the northern or southern suburbs with a clean roof cavity quotes differently to a solid-brick villa with 3.3m ceilings, and coastal homes near the gulf should ask about corrosion-rated units. The house decides the method, and the method decides the price.
When is the cheapest time to install aircon in Adelaide?
Autumn and winter. Adelaide’s first heatwave triggers a rush that books installers out for weeks, and January quotes carry a genuine demand premium. The same job in May is cheaper and faster.
How long does installation take in Adelaide?
Once quoted, most split installs are a half-day job scheduled within 1–2 weeks. Ducted installs run 1–2 days on site. During a heatwave rush, add 2–4 weeks of queue before the crew arrives.
Power prices bite harder here
Adelaide pays some of the highest electricity rates in the country, so the efficiency gap between two quoted units is worth more here than anywhere else. Compare the zoned energy label, not the sticker.
Built for the heatwave
Adelaide heat arrives in multi-day 40°C+ blocks. An undersized unit fails on exactly the days you bought it for, size for the heatwave, not the average.
Villas and high ceilings
Solid-brick villas and cottages with 3m+ ceilings need more capacity than the floor area suggests, and wall choice matters in double brick. Flag the ceiling height when you get quotes.
Check REPS before you sign
SA’s retailer energy scheme sometimes discounts high-efficiency cooling, depending on your retailer’s current offers. Thirty seconds to ask, occasionally a few hundred dollars back.