How Much Does It Cost to Install Air Conditioning?
If you’re considering air conditioning installation, one of the first questions that likely comes to mind is, “How much does it cost to install air conditioning?” The answer depends on various factors, including the type of system, the size of your home, labor costs, and any additional electrical work required.
In this detailed guide, we’ll break down the costs associated with installing air conditioning, explore different AC unit installation prices, and provide insights into choosing the best system for your needs. Whether you’re in Brisbane, Sydney, Melbourne, Perth, or anywhere across Australia, understanding air conditioning costs will help you budget effectively.
Factors Affecting Air Conditioning Installation Cost
Before diving into specific pricing, let’s explore the factors that influence the cost of installing air conditioning.
1. Type of Air Conditioning System
Different air conditioning systems come with varying price points. The type of system you choose will significantly impact the installation cost.
- Split System Air Conditioners – Ideal for cooling single rooms or small areas. Split system installation costs typically range from $600 to $5,500, depending on the brand and capacity.
- Ducted Air Conditioning – Provides whole-home cooling but comes at a higher price. Ducted aircon installation costs range from $5,000 to $15,000.
- Window or Wall Air Conditioners – More affordable but less efficient. Prices range between $300 and $1,500.
- Portable Air Conditioners – A budget-friendly option that doesn’t require professional installation. Prices start from $200 to $1,200.
2. Air Conditioner Size and Capacity (kW Rating)
Choosing the right size air conditioner is crucial. If the system is too small, it won’t effectively cool your space; if it’s too large, it will lead to unnecessary energy consumption.
Here’s a rough guide to air conditioner size recommendations:
- Up to 20m² – 2.5kW system
- 20m² to 40m² – 3.5kW to 5kW system
- 40m² to 60m² – 6kW to 7kW system
- 60m²+ – 8kW+ system
The cost of split system air conditioners varies based on their power, with a 2.5kW unit starting at $600 and an 8kW unit exceeding $3,000.
3. Brand and Energy Efficiency
The brand you choose will also impact the overall price. Some of the most reliable air conditioning brands in Australia include:
- Mitsubishi Electric – High efficiency, premium pricing
- Daikin – Excellent reliability and performance
- Fujitsu – Competitive pricing with good energy ratings
- Panasonic – Advanced features and quiet operation
- LG – Affordable and energy-efficient options
More energy-efficient air conditioners tend to cost more upfront but save on electricity bills in the long run. A 5-star energy-rated air conditioner will reduce long-term operating costs.
4. Installation Costs Based on Location
Labor and installation costs vary depending on where you live. Here’s an approximate aircon installation cost based on location:
- Air conditioning installation cost Brisbane – $750 to $5,500
- Air conditioning installation Sydney – $850 to $6,000
- Air conditioning installation Melbourne – $900 to $6,500
- Air conditioning installation Perth – $750 to $5,500
- Air conditioning installation Newcastle – $700 to $5,200
If additional electrical work or modifications to ductwork are required, installation prices may increase.
Breakdown of Air Conditioner Installation Costs
1. Split System Air Conditioner Installation Cost
A split system air conditioning installation is one of the most common choices in Australia. Here’s an estimated breakdown:
| Split System Size | Unit Cost | Installation Cost | Total Estimated Cost |
|---|---|---|---|
| 2.5kW | $600 – $1,200 | $600 – $1,200 | $1,200 – $2,400 |
| 3.5kW | $800 – $1,500 | $700 – $1,400 | $1,500 – $2,900 |
| 5.0kW | $1,000 – $2,000 | $800 – $1,600 | $1,800 – $3,600 |
| 7.0kW | $1,500 – $2,800 | $900 – $2,000 | $2,400 – $4,800 |
| 8.0kW+ | $2,000+ | $1,000 – $2,500 | $3,000 – $6,000+ |
2. Ducted Air Conditioning Installation Cost
If you want whole-home cooling, ducted air conditioning installation is a great option.
| Home Size | Ducted System Cost | Installation Cost | Total Cost |
|---|---|---|---|
| Small Home (1-2 bedrooms) | $5,000 – $7,500 | $3,000 – $5,000 | $8,000 – $12,500 |
| Medium Home (3-4 bedrooms) | $7,500 – $12,000 | $4,000 – $7,000 | $11,500 – $19,000 |
| Large Home (5+ bedrooms) | $12,000 – $20,000 | $6,000 – $10,000 | $18,000 – $30,000 |
3. Additional Costs to Consider
Some additional factors may increase the total aircon installation cost:
✔️ Ductwork modifications – $1,000 – $3,000
✔️ Electrical upgrades – $500 – $2,500
✔️ Smart thermostat installation – $300 – $600
✔️ Removal of old aircon unit – $150 – $400
Frequently Asked Questions (FAQ)
How do I clean my aircon filter?
To clean an air conditioner filter, follow these steps:
- Turn off the unit and remove the front panel.
- Carefully slide out the filter.
- Rinse it with warm water and mild detergent.
- Let it dry completely before reinserting it.
What size aircon do I need for my home?
The size of the split system air conditioner or ducted aircon depends on the area you need to cool. A 2.5kW unit is ideal for a small bedroom, while a 7kW+ unit is required for larger living areas.
Why is my aircon dripping water?
A leaking air conditioner could be due to:
- A blocked drain pipe
- A dirty air filter
- A low refrigerant level
Regular maintenance can prevent leaks and keep your system running efficiently.
How much does it cost to regas a car aircon?
Car aircon regas prices typically range between $150 and $350, depending on the vehicle type and refrigerant required.
How much does ducted aircon cost?
The cost of installing ducted air conditioning ranges between $8,000 and $30,000, depending on the system size, brand, and complexity of installation.
Final Thoughts: Is Air Conditioning Installation Worth the Cost?
Investing in air conditioning installation can improve your home’s comfort, increase property value, and enhance energy efficiency. While costs vary depending on system type, location, and labor charges, choosing a reliable air conditioner installer will ensure long-term performance.
If you’re in Brisbane, Sydney, Melbourne, Perth, or anywhere in Australia, and need an AC installation quote, reach out to a trusted air conditioning fitter today!

