30-60% of quote
System capacity
Higher kW capacity, multi-head layouts and ducted zoning increase equipment size, labour and commissioning time.
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Updated January 2026
What does air conditioning installation cost in Australia?
Air conditioning installation in Australia typically costs $800-$25,000. Split systems are usually $800-$3,500, multi-split systems are $4,000-$12,000, and ducted air conditioning is usually $10,000-$25,000 depending on home size, zoning, access and brand.
$800+
split systems
3-6 hrs
typical install
ARCtick
required
Before you request quotes
System type
Split, multi-split and ducted systems have very different equipment, labour and commissioning requirements.
Correct sizing
Capacity should be matched to room size, insulation, windows, ceiling height, orientation and local climate.
Licensing
Refrigerant handling needs ARCtick certification, and electrical work needs the right state licence.
Quote scope
Confirm unit supply, electrical work, drainage, pipe runs, commissioning, certificates and warranty registration.
Cost comparison
Compare air conditioning systems
Compare the main system types by upfront cost, installation time, whole-home coverage and where they usually make sense.
Split system
$800-$3,500
Best for bedrooms, living rooms, home offices and targeted heating or cooling.
Typical timing: 3-6 hours
Multi-split system
$4,000-$12,000
One outdoor unit connected to multiple indoor heads for room-by-room control.
Typical timing: 1-2 days
Ducted air conditioning
$10,000-$25,000
Whole-home comfort with ceiling grilles, concealed ducts and zoning options.
Typical timing: 2-5 days
Reverse cycle upgrade
+$100-$300
Heating and cooling in one system, usually the best value year-round option.
Typical timing: Same install
Typical installed pricing by system type
Includes supply, standard installation and commissioning unless your quote says otherwise.
| System | Best for | Cost range | Install time |
|---|---|---|---|
| Small split system | Bedrooms, studies and smaller rooms | $800-$1,500 | 3-4 hours |
| Large split system | Living rooms and open-plan spaces | $1,800-$3,500 | 4-6 hours |
| Multi-split system | Multiple rooms without ductwork | $4,000-$12,000 | 1-3 days |
| Ducted air conditioning | Whole-home comfort and zoning | $10,000-$25,000 | 2-5 days |
Price drivers
What changes your AC installation quote?
The same unit can quote differently depending on access, electrical work, pipe runs and how carefully the system is sized.
$300-$2,000 impact
Access and pipe runs
Long copper runs, difficult wall penetrations, roof access, high-set homes and outdoor unit placement add labour.
$300-$1,500 impact
Electrical requirements
Dedicated circuits, isolators, switchboard capacity and safety upgrades can change final installation cost.
10-30% impact
Brand and efficiency
Premium brands, higher star ratings, WiFi controls, quiet models and filtration features lift upfront cost.
System guide
Pick the right system before comparing quotes
A cheap quote is not useful if the system is undersized, noisy, inefficient or missing the work needed for a compliant installation.
Split system
$800-$3,500Best for bedrooms, living rooms, home offices and targeted heating or cooling.
3-6 hours
Multi-split system
$4,000-$12,000One outdoor unit connected to multiple indoor heads for room-by-room control.
1-2 days
Ducted air conditioning
$10,000-$25,000Whole-home comfort with ceiling grilles, concealed ducts and zoning options.
2-5 days
Reverse cycle upgrade
+$100-$300Heating and cooling in one system, usually the best value year-round option.
Same install
Sizing guide
What size air conditioner do you need?
These are broad guide ranges. A licensed installer should confirm capacity against insulation, windows, ceiling height, room orientation and local climate.
| Room size | Typical capacity | Typical installed cost | Common use |
|---|---|---|---|
| 12-15m2 | 2.5kW | $800-$1,500 | Small bedroom or office |
| 20-25m2 | 3.5kW | $1,200-$2,200 | Master bedroom or small lounge |
| 35-45m2 | 5-7kW | $1,800-$3,500 | Living room or open plan area |
| Whole home | 10-24kW+ | $10,000-$25,000 | Ducted system with zones |
Free planning tool
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Your Recommendation
Recommended Capacity
3 kW
(3000W cooling power)
System Type
Split System
Est. Price
$1,000-$1,800
Reverse cycle
Inverter tech
5+ yr warranty
ARCtick install
* Estimate only. Professional assessment recommended.
Quote scope
What should an AC installation quote include?
Use this checklist to compare quotes fairly and avoid a low price that excludes required electrical, drainage or commissioning work.
1
Site assessment
Installer checks room size, insulation, windows, airflow, outdoor unit placement, access and switchboard capacity.
2
System supply
Confirm brand, model, kW capacity, energy rating, warranty, controllers, zoning and any smart-home options.
3
Electrical work
Quote should clarify dedicated circuits, isolator switch, switchboard upgrades and electrical compliance certificates.
4
Refrigerant and drainage
Copper pipework, insulation, condensate drainage, wall penetrations, vacuum testing and refrigerant charge should be included.
5
Commissioning
The installer should test cooling, heating, airflow, temperatures, noise, drainage and remote/controller operation.
6
Handover and warranty
Ask for user training, compliance documents, warranty registration and advice on filter cleaning and servicing.
Running costs
Reverse cycle AC is usually the cheapest electric heating option
Running costs depend on tariff, insulation, temperature settings and how often the system runs. Correct sizing and installation quality matter as much as the brand.
| Option | Hourly cost | Seasonal guide | Efficiency |
|---|---|---|---|
| Reverse cycle split cooling | $0.20-$0.40/hr | $250-$500/season | Excellent |
| Reverse cycle split heating | $0.25-$0.50/hr | $300-$600/season | Best |
| Ducted air conditioning | $1.50-$3.00/hr | $600-$1,500/year | Whole-home |
| Gas ducted heating | $0.50-$1.00/hr | $750-$1,500/winter | Good |
| Electric panel heater | $0.60-$1.20/hr | $900-$1,800/winter | Poor |
Licensing required
Do not use an unlicensed air conditioning installer
Air conditioning work involves refrigerant handling, electrical connections, drainage, structural penetrations and manufacturer warranty requirements. Unlicensed work can be unsafe, non-compliant and expensive to fix.
ARCtick
Required for refrigerant handling, leak testing and charging.
Electrical
Dedicated circuits, isolators and wiring must be compliant.
Warranty
Most manufacturers require professional installation.
Installation process
Typical split system installation timeline
A straightforward split system is often completed in one day. Multi-split and ducted installs take longer.
1
Same day or next day Site assessment and quote
Installer confirms capacity, placement, electrical requirements, drainage and brand options before final pricing.
2
1-2 hours Indoor unit installation
Mount the indoor head or ducted components, prepare penetrations and position for airflow and service access.
3
2-3 hours Outdoor unit and connections
Install condenser, copper pipework, electrical isolator, condensate drainage and weatherproof penetrations.
4
30-60 minutes Commissioning and handover
Vacuum, pressure test, run cooling and heating modes, explain controls and provide compliance paperwork.
Compliance checklist
Licensing and approval checks
The best installer quote is the one that makes compliance clear before any work starts.
ARCtick licence
Any refrigerant handling must be completed by an ARCtick certified technician. Unlicensed work can void warranties and create safety risks.
Electrical licence
Wiring, isolators and dedicated circuits must be handled by licensed electrical trades where required by state rules.
Insurance and certificates
Ask for public liability insurance, electrical compliance certificates and refrigerant handling documentation.
Council and strata rules
Most homes do not need council approval, but heritage, strata, noise and outdoor-unit placement rules can apply.
Brand guide
Best air conditioning brands in Australia
Brand matters, but installation quality, correct sizing, commissioning and after-sales support matter more than a logo on the wall.
Premium reliability
Daikin
Strong dealer network, high efficiency models, quiet operation and long-term parts support.
Quiet performance
Mitsubishi Electric
Popular for bedrooms and premium installs where low noise and build quality matter.
Value premium
Fujitsu
Good balance of efficiency, price, warranty and installer availability across Australia.
Budget to mid-range
Panasonic and LG
Solid value options where upfront cost matters and the system is installed correctly.
After install
Post-installation options worth comparing
Ask installers what is included now and what can be upgraded later, especially for controls, servicing and old unit disposal.
$120-$400
Annual servicing
Clean filters and coils, check refrigerant, drains, electrical connections and performance before peak season.
$150-$600+
Smart controls
Add WiFi controllers, zoning upgrades or smart-home integration where compatible.
$50-$250
Filter upgrades
Better filtration can help homes with pets, dust, smoke, allergies or higher indoor air quality needs.
Quoted or included
Old unit removal
Confirm whether the quote includes decommissioning, disposal and site cleanup for replacement installs.
How it works
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1
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Fill out a simple form describing your AC installation needs. Takes less than 2 minutes.
2
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3
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Based on 188 verified reviews
188 verified customer reviews with 5.0/5 average rating from real Australian customers.
MT
Michael T.
Sydney, NSW
Got 3 quotes for split system installation. Saved $600 and the installer was professional, arrived on time, and cleaned up perfectly. AC works great!
Split System Installation
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Lisa K.
Melbourne, VIC
Needed AC installed in 4 bedrooms. All quotes were competitive and installers were ARCtick certified. Very happy with the whole process!
Multi-Split Installation
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James R.
Brisbane, QLD
Excellent service! Found a great installer who completed the work in one day. System is cooling perfectly. Would definitely recommend!
Air Conditioning Installation
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Expert resources
View all guides
Air Conditioning Guides
Everything you need to know about AC installation, costs, and system types in Australia
Air Conditioning Cost Guide 2026
Complete pricing breakdown for split systems, ducted AC, and multi-split installations across Australia.
Read guide
Split System vs Ducted AC
Compare split and ducted air conditioning systems to find the best option for your home and budget.
Read guide
Ducted AC Cost Guide 2026
Comprehensive guide to ducted air conditioning costs, installation, and zoning options for whole-home comfort.
Read guide
Heating System Comparison
Compare reverse cycle AC, gas heating, and heat pumps to choose the most efficient heating solution.
Read guideReady to Install Your Air Conditioning?
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FAQ
Frequently Asked Questions
Clear answers to the questions homeowners usually ask before comparing quotes.
1 How much does air conditioning installation cost in Australia?
How much does air conditioning installation cost in Australia?
Air conditioning installation costs vary significantly by system type and complexity. Split systems range from $800-$3,500 (most popular for single rooms), multi-split systems cost $4,000-$12,000 (ideal for multiple rooms with one outdoor unit), and ducted air conditioning ranges from $10,000-$25,000 (whole-home premium solution). These prices include professional installation, electrical work, and commissioning. Final costs depend on several factors: system capacity (measured in kW), brand choice (premium brands like Daikin cost 20-30% more), home size and layout, installation complexity (difficult roof access or electrical upgrades add $500-$2,000), and whether you choose cooling-only or reverse cycle (heating + cooling adds $100-$300). Most installers offer free quotes and site assessments to provide accurate pricing. Regular air conditioning service after installation helps maintain efficiency and warranty coverage.
2 How long does AC installation take?
How long does AC installation take?
Installation time varies: Split systems take 3-6 hours (same day), multi-split systems 1-2 days, ducted systems 2-5 days. Complex installations requiring electrical upgrades or difficult roof access can add 1-2 days.
3 Do I need council approval for air conditioning?
Do I need council approval for air conditioning?
Most residential AC installations don't need council approval as they're exempt development. Exceptions: units visible from street in heritage areas, commercial installations, significant electrical work. Always check local council rules.
4 What size air conditioner do I need?
What size air conditioner do I need?
Correct AC sizing is critical for efficiency, comfort, and running costs. As a general guide: Small bedrooms (12-15m²) need 2.5kW, medium bedrooms (15-20m²) need 3.5kW, large bedrooms/studies (20-25m²) need 4.5kW, living rooms (30-40m²) need 5-6kW, and open-plan living areas (50m²+) need 7-10kW or ducted solutions. However, these are estimates only. Professional sizing considers multiple factors: insulation quality (poor insulation requires 20-30% more capacity), number and size of windows (north-facing windows increase cooling load), ceiling height (high ceilings need larger units), room usage (kitchens generate more heat), local climate zone (Darwin needs more cooling than Melbourne), and whether the room has upper-floor exposure. Undersized units struggle to cool effectively and run constantly (high bills), while oversized units cycle on/off frequently (poor humidity control and wasted money). Always get a professional assessment before purchasing. For whole-home solutions, consider ducted air conditioning which provides zoned climate control throughout your entire home.
5 Are AC installers licensed and insured?
Are AC installers licensed and insured?
Yes, all AC installers must hold ARCtick certification (refrigerant handling license) and electrical licenses. They should carry comprehensive public liability insurance ($10M+). Always verify licenses before hiring.
6 Should I get reverse cycle or cooling only?
Should I get reverse cycle or cooling only?
Reverse cycle (heating + cooling) costs only $100-$300 more than cooling-only but provides year-round comfort. Highly recommended for most Australian climates as it's energy efficient for heating. For comprehensive comparison, see our ducted air conditioning guide.
7 What brands are best for air conditioning?
What brands are best for air conditioning?
Top AC brands in Australia each have distinct strengths. Premium tier: Daikin (industry-leading reliability, 5-10 year warranties, excellent after-sales support, 10-15% premium pricing), Mitsubishi Electric (superior build quality, quiet operation, great for bedrooms, extensive dealer network), Mitsubishi Heavy Industries (commercial-grade durability, powerful performance). Mid-range tier: Fujitsu (excellent energy efficiency, 5-6 star ratings common, good value for money, whisper-quiet models), Panasonic (reliable Japanese engineering, strong warranties, nanoe-X air purification technology). Budget tier: LG (affordable entry point, decent reliability, good for rentals or budget constraints), Kelvinator/Electrolux (basic functionality, limited features). Choose based on: budget (premium brands cost 20-30% more but last longer), energy efficiency rating (5-6 star models save $150-$400/year in running costs), warranty coverage (look for 5+ year parts, 1-2 year labor), noise levels (important for bedrooms - check dB ratings), and installer support (some installers specialize in certain brands offering better pricing and service). If your AC needs repairs later, check our air conditioning repair services for qualified technicians.
8 What's included in installation?
What's included in installation?
Professional installation includes: unit supply and delivery, indoor and outdoor unit installation, electrical connection, refrigerant lines, drainage, commissioning, testing, user training, and warranty registration. Always confirm what's included in quotes.
9 How often should AC be serviced?
How often should AC be serviced?
Service annually before summer for optimal performance. Service includes filter cleaning, coil cleaning, refrigerant check, electrical connections, condensate drain check, performance test. Costs $120-$200 for splits, $200-$400 for ducted. Get air conditioning service quotes for annual maintenance.
10 What about heating? Should I get heating and cooling together?
What about heating? Should I get heating and cooling together?
Absolutely! Reverse cycle air conditioning provides both heating and cooling in one system, making it the most cost-effective climate control solution for most Australian homes. It costs only $100-$300 more than cooling-only systems but provides year-round comfort. Reverse cycle heating is 3-4 times more energy efficient than traditional electric heaters and often cheaper to run than gas heating in many areas. For comprehensive heating solutions, explore our full range of heating and cooling services including ducted heating, gas heating, and reverse cycle options to find the perfect system for your climate and budget.
11 Do you cover my area?
Do you cover my area?
We have a network of ARCtick certified AC installers across all major Australian cities and regional areas. Enter your suburb in the quote form to check coverage.
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Last updated: June 2026
Verified by licensed air conditioning and HVAC technicians
Australia-wide coverage
Prices are estimates based on market research and may vary by location, project size, site conditions, and specialist. Always get multiple quotes for accurate pricing. Air conditioning work requires licensed technicians and compliance with Australian Refrigerant Handling regulations.