Perth, Western Australia

Air Conditioning Prices in Perth

4 services from $140

Air Conditioning Prices in Perth

Prices include GST. Most installations include a manufacturer warranty plus installer workmanship guarantee.

Filter by price range$140 – $19,500
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Air conditioning prices in Perth

Perth air conditioning: heat load, coastal corrosion, and installer demand

Perth is one of the most air-conditioning-sensitive markets in the country. Long dry summers, double-brick housing, and a big installed base of older evaporative systems all affect the scope and the price of a new system.

Local approval and compliance issues in Perth

Most Perth houses do not need council approval for a standard like-for-like split system, but apartment, townhouse, and strata jobs often need approval for outdoor condenser placement, penetrations, and visible pipework. Installers also have to manage electrical compliance, refrigerant handling, condensate disposal, and local noise expectations for neighbouring properties. On small urban lots, the practical question is often where the condenser can legally and quietly sit without cooking in afternoon sun or breaching access clearances.

Perth climate factors that change system selection

Perth summer heat is sustained rather than occasional, so undersized systems show up quickly in running costs and poor comfort. Western-suburbs and coastal jobs need better corrosion resistance because salt air can shorten the life of outdoor units and brackets. Inland homes often need strong cooling loads for large open-plan living spaces, while cool winter mornings mean many owners now prefer reverse-cycle refrigerated systems over older evaporative setups that do nothing for heating.

How the Perth market affects your quote

Perth installers tend to price aggressively outside peak season, then tighten availability hard as soon as the first heatwaves hit. Converting from evaporative to refrigerated air conditioning is a common local project and usually costs more than homeowners expect because it can involve ceiling-space modifications, extra circuits, patching old vents, and switchboard work. Quotes also move based on access through double-brick walls, long pipe runs, and whether the installer needs a crane or elevated work platform for apartment condensers.

Air Conditioning Tips for Perth

Perth dry climate suits evaporative coolers — much cheaper to run

Homes near the coast may need refrigerant systems due to higher humidity

Large ducted systems may require a Western Power load assessment

Air conditioning in Perth starts from $140. A split system supply and install averages $2580. Prices include GST. Most installations include a manufacturer warranty plus installer workmanship guarantee.

Split systems are ideal for cooling one or two rooms and cost $1950–$3400 installed. Ducted systems cool the whole home but cost significantly more. For multiple rooms without ductwork, a multi-split system is a good middle ground.

A standard split system installation takes 3–5 hours. Multi-split systems take 1–2 days. Ducted systems typically require 2–5 days depending on the size of the home and whether new ductwork is needed. Book well ahead of summer for the best availability and pricing.

Running costs depend on the system size, efficiency rating, and usage. A typical split system costs $0.30–$0.80 per hour to run. Higher star ratings and inverter technology significantly reduce running costs. Regular servicing maintains efficiency and keeps running costs down.