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Updated monthlyMandurah ducted price guide

Ducted air conditioning
cost in Mandurah

Ducted air conditioning costs $9,200–$15,200 installed in Mandurah, single-storey zoned systems from $9,200, two-storey systems from $12,200, with roof access and zone count driving the spread.

Ducted quotes for Mandurah

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Mandurah ducted installed price range

Like-for-like changeover (ducts reused)
$9,200–$12,200
New ducted, single storey, zoned
$9,200–$12,200
New ducted, two storey, zoned
$12,200–$15,200

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

Real quote data

What Mandurah homeowners pay for ducted

JobInstalled priceSuits
Like-for-like changeover (ducts reused) $9,200–$12,200 Existing ducted home, old unit failed
New ducted, single storey, zoned $9,200–$12,200 3-bed single-storey with roof access
New ducted, two storey, zoned $12,200–$15,200 4-bed two-storey family home

Full local pricing across all system types on the Mandurah cost guide; national ducted detail on the ducted price guide.

Cost drivers

What moves a Mandurah ducted quote

Roof cavity access

The single biggest labour variable. Generous, clear cavities install fast; tight, trussed or insulated-panel roofs add days. Identical floor plans quote differently street to street because of it.

Zone count and controls

Each zone adds motorised dampers, wiring and controller capability. Day/night zoning is the value sweet spot; individual-room zoning with smart control is where quotes climb fastest.

Canal estates and salt air

Mandurah lives on the water, canals, estuary, ocean. Coastal-rated units are the sensible default across most of the city.

Perth competition reaches here

Local installers and Perth firms both service Mandurah, which keeps quotes honest. Always compare three.

Mandurah ducted cost questions

How much does ducted air conditioning cost in Mandurah?
$9,200–$15,200 installed for most Mandurah homes. Single-storey zoned systems run $9,200–$12,200; larger two-storey homes run $12,200–$15,200. Roof cavity access and zone count set where you land, the unit itself is typically only 40–50% of the price.
When is the cheapest time to install aircon in Mandurah?
Autumn and winter. Mandurah demand explodes with Perth's first hot week; quote in the cool months, skip the queue, and usually beat the price.
Is ducted cheaper if the house already has ducts?
Usually, and by a lot: a like-for-like changeover reusing sound ductwork runs about $9,200–$12,200 in Mandurah, skipping most of the labour. Get the ducts inspected first, old leaky runs can eat the saving in running costs and are sometimes worth replacing anyway.
Ducted or multiple splits, which is right for my home?
For 1–3 rooms, splits win on install and running cost. From 4+ daily-use rooms, ducted becomes competitive per room and wins on whole-home coverage and aesthetics. Our split vs ducted calculator runs both totals for your home in thirty seconds, free, no email.
How long does a ducted install take in Mandurah?
1–2 days on site for a straightforward single-storey install, 2–3 days for two-storey or complex zoning, after a proper site visit and quote, ducted is never priced accurately over the phone. In peak summer, add 2–4 weeks of queue before the crew arrives.

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