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Updated monthlySydney split system price guide

Split system air conditioning
in Sydney

A split system costs $1,350–$3,500 fully installed in Sydney, bedroom units from $1,350, large living-area units up to $3,500, with unit size, brand tier and install complexity driving the spread.

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Sydney split system installed prices

2.5kW, bedroom or study
$1,350–$1,800
3.5–5kW, living room
$1,900–$2,700
7kW, open-plan living
$2,600–$3,500
Three splits, whole home
$4,800–$7,500

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

Real quote data

What Sydney homeowners pay for splits

JobInstalled priceSuits
2.5kW split, bedroom, back-to-back install $1,350–$1,800 Single bedroom or home office
3.5–5kW split, living room, standard install $1,900–$2,700 Apartment living area, medium lounge
7kW split, open-plan living $2,600–$3,500 Large open-plan house living zone
Three splits across the home, one visit $4,800–$7,500 Whole-home comfort without ducted

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

Cost drivers

What moves a Sydney 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.

Strata and salt in the east

Apartment installs need strata approval first, and beachside suburbs should quote marine-grade units. Both are normal Sydney jobs, name them upfront and the quotes come back accurate.

Western Sydney runs hotter

Summers west of Parramatta run 4–6°C above the coast. Installs quote cheaper out west, spend the saving on the next size up.

Sydney split system questions

How much does a split system cost installed in Sydney?
$1,350–$3,500 covers almost every standard Sydney install: small bedroom splits run $1,350–$2,000, large living-area units $2,100–$3,500. 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.
Do Sydney apartments need strata approval for a split system?
Almost always, the condenser placement and any facade penetration need sign-off. Experienced apartment installers prepare exactly what the strata committee asks for; tell us it's an apartment when you describe the job and allow 2–6 weeks for by-law approval in most schemes.
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 Sydney?
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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