Your Complete 2025 Guide to Air Conditioning Installation Costs
When summer hits hard in Australia, having an efficient air conditioner installed in your home or workplace becomes essential. But one of the most commonly asked questions is: how much does it cost to install air conditioning?
The answer isn’t one-size-fits-all. The cost of air conditioning installation varies based on the type of system you choose, your location, your property’s structure, and how complex the job is. In this in-depth guide, we’ll walk you through the typical costs, factors that influence pricing, system comparisons, and helpful advice for homeowners, tenants, and businesses looking to stay cool in 2025.
Average Cost to Install Air Conditioning in Australia
On average, the cost of air conditioning installation in Australia ranges from $600 to $12,000+. Here’s a breakdown of the typical price ranges depending on the type of system:
- Window or Wall AC: $600 – $1,200
- Single Split System (2.5kW): $850 – $2,800
- Multi-Split System (multiple indoor units): $2,000 – $5,500
- Ducted Air Conditioning System: $5,500 – $12,000+
- Reverse Cycle HVAC Systems: $4,800 – $10,000+
Keep in mind these prices usually include both the air conditioning unit and the installation by a licensed technician.
Different Types of Air Conditioning Systems and Installation Prices
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Split System Air Conditioning
- Perfect for cooling individual rooms.
- Most popular and cost-effective choice for Aussie homes.
- Installation costs vary based on kW output and complexity.
- Installed price ranges from $850 to $4,000+.
-
Multi-Split Air Conditioners
- One outdoor unit connects to multiple indoor units.
- Great for apartments or multi-bedroom homes.
- Expect prices between $2,000 and $5,500 installed.
-
Ducted Air Conditioning Systems
- Best for whole-house cooling.
- Higher upfront cost but offers premium comfort.
- Installation usually starts from $6,000 and can exceed $14,000 for larger homes.
-
Window/Portable ACs
- Cheapest to install, often plug-and-play.
- Installation is around $300–$600 if mounted.
Key Factors That Affect Installation Cost
The cost to install air conditioning isn’t just about the unit itself. Other variables come into play, such as:
- Size of the space being cooled
- Number of units to install
- Type of walls (brick, timber, etc.)
- Power supply upgrades required
- Pipe length between indoor and outdoor units
- Roof or wall access complexity
- Your location (e.g. air conditioning in Blacktown vs. Gympie)
Every home and business is unique, so it’s always recommended to get a professional onsite assessment before proceeding.
Air Conditioning Installation Costs by City and Region
Your location in Australia can also impact the price due to labour rates and accessibility.
- Sydney: $850 – $10,000
- Brisbane: $750 – $9,500
- Melbourne: $900 – $11,000
- Perth: $800 – $9,000
- Newcastle & Central Coast: $750 – $8,800
- Gold Coast: $850 – $9,200
- Adelaide: $850 – $10,500
- Ipswich / Gympie / Townsville: $700 – $8,000
Split System Air Conditioner Installation Costs
Split systems are ideal for bedrooms, living rooms, and home offices. Installation costs can vary based on the size of the system and the complexity of the install.
- 2.5kW unit (bedroom): $850 – $1,800
- 5.0kW unit (mid-size room): $1,200 – $2,400
- 7.1kW unit (large living room): $1,700 – $3,000
- 9.0kW unit (open-plan living/dining): $2,400 – $4,200
The more powerful the unit, the more materials and labour are required, which impacts the final quote.
Ducted Air Conditioning Installation Cost
Ducted systems are designed to cool the entire home and are often installed in ceilings or under floors. Prices depend on the number of zones and complexity of installation.
- Small homes (1–2 bedrooms): $6,000 – $8,500
- Medium homes (3–4 bedrooms): $7,500 – $10,500
- Large homes (5+ bedrooms): $10,000 – $14,000+
Air Conditioning for Homes, Rentals, and Commercial Properties
- Homeowners: Great for comfort, energy savings, and increasing property value.
- Renters: Portable or window units are cost-effective, and some landlords may share installation costs.
- Businesses: Ducted and VRF systems are common. Costs can exceed $20,000 depending on building size.
Other Installation Costs to Consider
There can be extra charges beyond the base install fee:
- Electrical upgrades: $200 – $800
- Long pipe runs: $60 – $120 per metre
- Smart controls: $200 – $600
- Wall brackets or condensate pumps: $100 – $300
- Difficult installations (e.g. high wall mounts): Additional labour charges
Tips to Save on Air Conditioning Installation
- Book installation in the cooler months to avoid peak season rates.
- Ask for bundled electrical services if you need power upgrades.
- Compare at least two to three quotes from reputable providers.
- Look into government rebates for energy-efficient systems.
- Choose inverter models—they’re quieter and cheaper to run long-term.
Popular Air Conditioner Brands and Installed Pricing
| Brand | Installed Cost Range |
|---|---|
| Mitsubishi Electric | $1,500 – $4,000 |
| Daikin | $1,600 – $4,200 |
| Fujitsu | $1,400 – $3,800 |
| Rinnai | $1,100 – $2,900 |
| Samsung | $1,200 – $3,500 |
| Panasonic | $1,500 – $3,900 |
The final cost depends on capacity, features, and installation complexity.
Frequently Asked Questions
1. How to clean an aircon filter?
Turn off the unit, remove the cover, and gently rinse the filter in warm soapy water. Let it dry completely before putting it back.
2. What size aircon do I need?
As a general rule, you need about 150 watts per square metre. A 25m² room would typically need a 3.5–4kW unit.
3. Why is my aircon dripping water?
This usually indicates a blocked drain pipe, dirty filter, or poor installation. Regular maintenance helps prevent this.
4. How much to regas car aircon?
You’ll pay between $130 and $300, depending on the type of vehicle and refrigerant used.
5. How much does ducted aircon cost?
Expect to pay from $6,000 to over $14,000, depending on house size, number of zones, and ceiling access.
Get a Free Air Conditioning Installation Quote Today
At Eleco Electrical & Data, we offer honest, upfront pricing on all air conditioning installations across Sydney, Newcastle, and surrounding areas. All work is completed by licensed, experienced technicians.
- Licensed and insured installers
- Quality brands supplied and installed
- Transparent pricing—no hidden fees
- Ongoing support and warranty
Call now or visit our website to get your free air conditioning installation quote.
Final Thoughts
Whether you’re installing a new AC in a single room or upgrading your entire home with ducted air conditioning, making the right decision starts with understanding your options and comparing quotes.
At Eleco Electrical & Data, we take the guesswork out of aircon installation and deliver a service that’s efficient, affordable, and tailored to your needs.
