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Updated monthlyMelbourne split system price guide

Split system air conditioning
in Melbourne

A split system costs $1,450–$3,700 fully installed in Melbourne, bedroom units from $1,450, large living-area units up to $3,700, with unit size, brand tier and install complexity driving the spread.

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Melbourne split system installed prices

2.5kW, bedroom or study
$1,450–$1,950
3.5–5kW, living room
$2,050–$2,900
7kW, open-plan living
$2,900–$3,700
Three splits, whole home
$5,300–$8,300

Installed prices, unit + standard back-to-back installation. Shared scale.

Real quote data

What Melbourne homeowners pay for splits

JobInstalled priceSuits
2.5kW split, bedroom, back-to-back install $1,450–$1,950 Single bedroom or home office
3.5–5kW split, living room, standard install $2,050–$2,900 Apartment living area, medium lounge
7kW split, open-plan living $2,900–$3,700 Large open-plan house living zone
Three splits across the home, one visit $5,300–$8,300 Whole-home comfort without ducted

Full local pricing across all system types on the Melbourne cost guide; every brand priced by size on the national price list.

Cost drivers

What moves a Melbourne split quote

Back-to-back, or not

The cheap baseline: indoor unit on an external wall, condenser directly behind it. Every metre the two units drift apart adds piping, cabling and labour, the biggest single swing on most quotes.

Electrical work

Bigger units need a dedicated circuit, and older switchboards sometimes need an upgrade to take one. Legitimate money, but it should be an itemised line, not a surprise on install day.

Heating is half the job

A Melbourne split runs more winter hours than summer ones. Compare quotes on the heating efficiency numbers, that's where the running cost lives.

Period homes, split territory

Terraces and bungalows with no roof cavity are exactly what well-placed splits are for. Room by room beats forcing ducted into a house that fights it.

Melbourne split system questions

How much does a split system cost installed in Melbourne?
$1,450–$3,700 covers almost every standard Melbourne install: small bedroom splits run $1,450–$2,300, large living-area units $2,400–$3,700. Brand tier and install complexity set where you land, back-to-back installs at the bottom, long pipe runs and upper storeys at the top.
Will a split system heat a Melbourne home in winter?
Yes, and that's most of what it will do: reverse-cycle splits are among the cheapest heating available per unit of warmth, and Melbourne units log more winter hours than summer ones. Buy on the heating efficiency numbers and the unit pays you back every July.
Why do quotes vary for the same unit?
The install, not the box. A back-to-back install, indoor unit on an external wall with the condenser directly behind, is the cheap baseline. Long pipe runs, upper-storey condensers, harder walls and switchboard work each add real labour, which is why two honest quotes on different homes can sit hundreds of dollars apart for the identical unit.
What size split system do I need?
The working rule is 120–150 watts of cooling per square metre: roughly 2.5kW for a bedroom, 5kW for a 30m² lounge, 7kW+ for open-plan living, adjusted for your climate. Our size calculator does it properly in thirty seconds, free, no email.
How long does installation take in Melbourne?
Most split installs are a half-day job, scheduled within 1–2 weeks of accepting a quote. In peak summer, expect 2–4 weeks of queue.

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