Split System Installation Cost Brisbane (2026) — Full Price Guide
Installer’s price guide to split system air conditioning in Brisbane — fully installed costs by capacity, what makes a quote go up, the cheap-quote traps to avoid, and what you actually get for the money.
Quick answer: A back-to-back 2.5kW split system in Brisbane starts from $1,600 inc GST fully installed. A 7kW for an open-plan living room is from $2,400. Most Brisbane homes pay between $1,600 and $3,000 for a single split, fully installed.
Brisbane split system install prices by capacity (2026)
| Capacity | Room size (m²) | Fully installed (from, inc GST) | Common use |
|---|---|---|---|
| 2.5kW | 12–18 m² | From $1,600 | Small bedrooms, kids’ rooms, home offices |
| 3.5kW | 18–25 m² | From $1,800 | Master bedrooms, study, granny flats |
| 5.0kW | 25–35 m² | From $2,000 | Family rooms, lounge/dining |
| 6.0kW | 30–45 m² | From $2,200 | Open-plan living |
| 7.0kW | 40–55 m² | From $2,400 | Large open-plan, warehouse offices |
| 8.0kW | 50–65 m² | From $2,900 | Combined living/kitchen/dining |
| Multi-head (2 heads) | 2 rooms | From $4,200 | Two bedrooms or bedroom+study off one outdoor unit |
Prices are fully installed back-to-back installs up to 3m pipe run with a mid-range Japanese inverter brand (typically Daikin Cora, Mitsubishi MSZ, Fujitsu Lifestyle, or LG Premium). Premium brands and longer pipe runs cost more — see the breakdown below.
What’s actually included in the price
- The split system itself — indoor head + outdoor compressor — supplied new in box with full manufacturer warranty
- Up to 3m of insulated refrigerant pipework between the two units
- Condensate drain line out to the nearest gravity-drained exit point
- Electrical hookup to an existing 10A or 15A power point within 1m of the outdoor unit
- Standard mounting bracket for the outdoor unit (wall bracket or ground feet)
- Refrigerant top-up, evacuation, and pressure test
- Commissioning, run-test on cool and heat, walk-through with you on remote use
- 10-year workmanship warranty from AH Aircon
- Manufacturer warranty registration (5-yr Daikin/Mitsubishi/Panasonic/Fujitsu; 10-yr LG compressor)
What pushes the price up (and how much by)
| Add-on or condition | Typical price impact (from) | When it applies |
|---|---|---|
| Pipe run beyond 3m | From $60/m | Outdoor unit on the opposite side of the house |
| Through-roof pipe routing | From $250 | Two-storey, lowset with awkward eave runs |
| New power point install | From $280 | No existing 10A power within 1m of outdoor location |
| Roof or wall bracket on a 2-storey | From $180 | Outdoor unit going on a wall above ground level |
| Drain pump (no gravity drain) | From $220 | Condensate has nowhere to go by gravity |
| Premium brand upgrade | +$200–$600 | Stepping up to Mitsubishi Heavy / Daikin Alira / top-tier LG |
| WiFi controller upgrade | +$120–$250 | Most brands now include WiFi as standard; some require a module |
| Old unit removal + disposal | From $150 | Existing system being replaced — includes refrigerant recovery |
Why Brisbane install prices vary so much between quotes
The unit price is only half the quote. Two installers can quote the exact same Daikin 2.5kW Cora and end up $400 apart — because one is doing a proper installation and the other is doing a back-to-back rush job. The difference is pipe insulation thickness, bracket quality, electrical work standards, and time spent commissioning.
The cheap-quote trap. If a quote is more than 20% below the market for a known brand, ask what they’re cutting. Common shortcuts that show up 18 months later: thin-wall pipe, no service valves, no proper vacuum/dehydration, no leak test, undersized bracket, electrical not on its own breaker, no condensate trap. None of these affect Day 1 operation but all cause Year 2–3 failures.
Brand markup. Daikin Cora and Mitsubishi MSZ sit in a similar mid-premium price band. Fujitsu Lifestyle and LG Premium are 10–15% cheaper for similar quality. Hisense, TCL, and Kelvinator are 25–35% cheaper but use shorter warranties and softer-quality compressors — fine for a holiday unit, risky as your main bedroom system.
Brisbane site conditions. Queenslanders with under-floor access cost less to wire and drain than slab-on-ground homes with no roof cavity access. Two-storey installs and homes with lattice/woodwork around the eaves take longer. Bayside salt-air locations need stainless brackets.
Brand-by-brand price comparison (2.5kW back-to-back, Brisbane)
- Daikin Cora — from $1,750 fully installed. 5-yr parts and labour warranty.
- Mitsubishi Electric MSZ — from $1,800. Quietest indoor at 19dB(A).
- Panasonic Aero — from $1,750. nanoe X filtration included.
- Fujitsu Lifestyle — from $1,650. Best $/kW in Brisbane.
- LG Premium — from $1,700. 10-yr compressor warranty + smart WiFi standard.
- Samsung Wind-Free — from $1,900. Premium draft-free vent design.
- Braemar (ducted) — quoted on site; Aussie-made ducted only, no splits.
Real-world install examples — Brisbane jobs we’ve done
Example 1 — Single bedroom, Bulimba Queenslander: 2.5kW Daikin Cora, back-to-back, outdoor on the side wall. Standard electrical, gravity drain. Total: $1,650 inc GST.
Example 2 — Master bedroom + ensuite, Chermside slab home: 5.0kW Mitsubishi MSZ, 4m pipe run through ceiling cavity, new 10A outlet, bracket on rear wall. Total: $2,580 inc GST.
Example 3 — Open-plan lounge, Newstead apartment: 7.0kW LG Premium, 6m pipe run from balcony, body corp-approved external bracket, drain pump. Total: $3,180 inc GST.
Example 4 — Two bedrooms, Wynnum two-storey: Multi-head Daikin (2×3.5kW + 6.0kW outdoor), 5m and 8m runs, two new power points, roof flashing. Total: $5,400 inc GST.
Cost-saving tips that don’t cut corners
- Install in May–September. Off-peak season pricing runs 5–10% cheaper. Installers are less booked, lead times are shorter.
- Buy mid-tier Japanese brands. The $200–$400 you save going to a budget brand isn’t worth the 5-year vs 3-year warranty drop.
- Bundle multiple installs. Installing 3 splits on the same visit saves $200–$400 versus three separate visits.
- Get the quote in writing. Phone quotes are guesses. Free on-site assessments give you a firm number — and let us identify add-ons before quote day.
- Don’t oversize “just in case”. A correctly sized 3.5kW is cheaper than an oversized 5.0kW AND cools more comfortably. See our 2.5kW vs 3.5kW sizing guide.
- Ask about 0% finance. Brighte and Humm both offer 0% interest over 12–24 months on residential AC — spreading the cost without paying more.
Common questions
How much does a split system cost in Brisbane fully installed?
From $1,600 inc GST for a back-to-back 2.5kW install. Most Brisbane homes pay between $1,600 and $3,000 for a single split. Multi-head systems start from $4,200 for two indoor heads.
What’s the cheapest split system you’d recommend?
Fujitsu Lifestyle 2.5kW at around $1,650 fully installed. Below that price point you’re typically getting a budget Chinese-built brand with a 3-year warranty and softer compressor — fine for a holiday unit, risky for daily use.
Why are some installers $400 cheaper than others?
Usually because they’re cutting installation standards — thin pipe insulation, no service valves, no vacuum/dehydration cycle, electrical not on its own circuit, undersized brackets. Day 1 operation is identical. Year 2–3 failures are far more common on the cheap-install side.
Is there a call-out fee for a quote?
No. AH Aircon provides free on-site quotes for split system installations across Brisbane. The licensed installer who quotes is the one who does the work — no sales reps, no pressure.
How long does a split system install take?
4–6 hours for a back-to-back single install. 8–10 hours for installs needing pipe runs through ceiling cavities or roof penetrations. Multi-head systems take a full day.
Do I need to be home for the install?
Yes — someone over 18 needs to be on site to sign off the quote variations (if any) and accept commissioning handover. Most installs take 4–6 hours so a half-day at home covers it.
What’s the difference between supply-only and supply+install?
Supply-only means you buy the unit from a retailer (or us) and arrange your own installer. Supply+install bundles both into one upfront-priced job. The supply+install warranty covers both equipment AND workmanship; supply-only splits the warranty risk between two parties.
Is finance available?
Yes — Brighte and Humm both offer 0% interest over 12–24 months on residential AC, on approval. Mention it at quote stage and we’ll arrange the application.
AH Air Conditioning · 63 Britannia Ave, Morningside QLD 4170 · ARCtick licensed · 20+ years installing across Brisbane.