How Much Does Ducted Air Conditioning Installation Cost?

Choosing the Right Ducted Air Conditioning System

Ducted air conditioning systems come in various types, each impacting the overall cost, installation, and operational expenses. The most important decision you'll make involves choosing between a system for just cooling or a reverse cycle system that can handle both heating and cooling. While reverse-cycle systems have a slightly higher initial cost, they prove very beneficial in climates with moderate temperatures, where heating is just as important as cooling. For example, places like Melbourne or Sydney would benefit greatly from this type of system.

Another crucial factor to consider is capacity. Measured in kilowatts, capacity determines the system's power. Smaller systems around 3.5 kilowatts are suitable for apartments, while larger homes can go up to 30 kilowatts. Choosing a system with more capacity than necessary is neither cost-effective nor energy-efficient. To maximize control and efficiency, exploring zone systems that allow you to heat and cool specific rooms selectively might be a wise investment.

Ducted Air Conditioning Prices

Understanding the price range for ducted air conditioning is essential for informed decision-making. Generally, small capacity systems suitable for apartments start at around $2000, while larger systems capable of cooling or heating extensive homes can reach up to $10,000. These figures exclude installation costs. Leading brands in the market have their price ranges:

• Fujitsu 8.5kW inverter ducted air conditioner: $3000–$4240


• Fujitsu 10.5kW inverter ducted air conditioner: $3100–$5890


• Fujitsu 14.0kW inverter ducted air conditioner: $4450–$8330


• Samsung 7.1kW cooling / 8kW heating ducted air conditioner: $4995


• Daikin 15.5kW cooling / 18kW heating inverter ducted air conditioner: $5275

For a more precise estimate tailored to your needs, utilizing a ducted air conditioning cost calculator is recommended.

Ducted Air Conditioning Installation Cost

The installation of ducted air conditioning involves costs that vary based on factors such as the size of the project. While air conditioning installers charge between $55–$80 per hour, it's more practical to obtain comprehensive quotes for the entire job. The total installation cost can range from $5000 to $30,000, with approximate costs for different home sizes:

• 2-bedroom home: $5000–$7000


• 3-bedroom home: $11,000–$14,000


• Larger home: $15,000–$30,000 or more

Although the installation cost increases with the system's size, the rise is not as dramatic as the system cost itself. Smaller capacity systems may even have installation costs equal to or surpassing the unit cost, while larger systems could see only a 50% increase.

Air Conditioning Costs Comparison

To make an informed decision on ducted air conditioning, comparing installation costs with other air conditioner units is beneficial. Here's a brief overview:

• Portable air conditioners: $150–$500. These units don't require professional installation but may have limited cooling power and higher running costs.


• Split system or reverse cycle air conditioner: $600–$750 per unit. While more affordable for smaller homes, costs can accumulate as each room needs its unit.

How to Install Ducted Air Conditioning?

Unless you're an experienced tradesperson or possess air conditioning system knowledge, it's advisable to leave ducted air conditioning installation to professionals. The key steps include:

• Planning the location of ducts, grilles, and interior components in the roof cavity.


• Identifying the best spot for the outdoor unit(s).


• Creating holes in the ceiling for grilles.


• Installing the interior aircon section in three parts: the air mixing plenum, the fan deck, and the fan coil unit. These must be vibration-free, typically achieved by fixing parts to the roof or house frame.


• Mounting a safety tray under the indoor unit to catch fluids.


• Placing the outdoor unit in position.


• Connecting refrigeration pipes and electrical components.


• Placing and fitting supply air diffusers.


• Connecting all air ducts to grilles and the central unit.


• Connecting and setting up control units.


• Turning on the system, checking for leaks, and ensuring all parts are securely in place.

Getting Quotes from Air Conditioning Specialists

Due to the project's size, the electrical components involved, and the importance of proper installation, hiring professionals for air conditioning installation is highly recommended. Many manufacturers may not provide a warranty unless their experts handle the installation. The same company supplying your air conditioning unit can often perform the installation. Obtaining itemized quotes covering both the unit and labour costs allows for the product versus installation cost comparison and potential negotiation for a lower overall cost.

How to Save on Ducted Air Conditioning Costs?

While considering ducted air conditioning costs, don't overlook operational expenses. Purchasing a smaller capacity system than required may save upfront costs, but the system will work harder, resulting in higher running costs. Additionally, adjusting your thermostat by just a few degrees can save 10% to 15% on energy bills. It's essential to strike a balance between upfront and running costs for optimal long-term savings.

Understanding the intricacies of ducted air conditioning costs is vital for making informed choices that align with your needs and budget. By exploring the right system, comprehending associated expenses, and leveraging professional installation, you can create a comfortable and cost-effective climate in your home.