Common Types Of Air Conditioning Units & Systems Which Is Best For You

Choosing the best air conditioner can be a challenge as you have to consider various factors ranging from the budget and running cost to finding the right size and type of air conditioner. Here, you can find everything from common types of air conditioning units and systems to which one is best for your home.

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Australians spend a collective $3.7 billion on air conditioning over the summer period. As millions of households in Australia have aircons, not everyone decides to install the same type of AC in their homes. Even aircon Installation Melbourne is varied because every home has different cooling needs.

If you plan to beat the summer heat by installing a new air conditioning system in Melbourne, you’ll want to make an educated decision.

Common Types of Air Conditioning Systems In Melbourne

The most prevalent types of air conditioning systems in Melbourne are:

Split System Air Conditioning

Considered one of Melbourne’s most popular types of air conditioning, Split System Air Conditioner is “split” into two units: one indoor unit and one outdoor unit. This system is ideal for cooling individual areas in your home. For instance, you may want to air condition the living area in your home or your bedroom.

A split system air conditioner is an ideal option to cool a room or an area up to 60m2. This system is relatively easy to install, as there is no need for ductwork. It is available in a variety of designs, sizes, and colours. Overall, split system air conditioning is energy-efficient, quiet, and affordable.

To know more about this system in detail, click here.

Advantages of Split System Air Conditioning

  • The installation process is easy and takes less time (3-6 hours) as no ductwork is required
  • It is energy efficient and decreases energy expenditures
  • It can easily operate as silently as 19 decibels
  • From purchasing the unit to installation and energy consumption, it is a cost-effective cooling option
  • It requires minimal maintenance
  • It is available in different designs and colours

Disadvantages of Split System Air Conditioning

  • As this system is hanging off the ceiling or the wall, some homeowners find it a little distracting and even unappealing
  • If you have a large and open-plan living room, it could take time to cool and consume more energy until you’re comfortable
  • Installation of this unit could be tricky as improper placement may lead to short-cycling


Daikin, Mitsubishi, Fujitsu, ActronAir, Haier, Gree, and Rinnai are among Melbourne’s most popular split system air conditioning brands.

Multi-Split Air Conditioning

A Multi-Head Split System Air Conditioner has one outdoor unit that is connected to 2-5 indoor units, which means you can cool up to five rooms in your home without installing ductwork. It is considered an ideal cooling option for homes with limited space for ducted air conditioning. You can cool rooms of your choice and control room temperature individually.

This cooling solution offers energy efficiency, superior performance, and comfort at lower costs. The inverter technology makes it a powerful yet energy-efficient cooling system. Moreover, you can use it in a reverse cycle in winter to warm up your place. Read this detailed piece on what is multi-head split system air conditioning.

Advantages of Multi-Head Split Air Conditioning

  • It is an economical and convenient cooling solution that allows maximum comfort
  • It has a silent and smooth operation
  • The absence of ductwork in this system helps save ductwork installation costs
  • It easily satisfies everyone’s temperature preferences
  • It is neater and economically much better option than installing several split systems

 Disadvantages of Multi-Head Split Air Conditioning

  • If the outdoor unit fails, all the indoor units will stop cooling
  • There is a restriction on the placement of the outdoor unit as it needs to be installed close to the indoor outlet units
  • The outdoor unit is bulky and not aesthetically pleasing


Daikin, Rinnai, and Fujitsu are common multi-split system air conditioning brands in Melbourne.

Ducted Refrigerated Air Conditioning

Ducted refrigerated air conditioning is, without any doubt, an ideal all-in-one climate control solution. It involves a large compressor located out of your sight, and an indoor unit is concealed either under your roof or under your ceiling. This system is commonly used to cool and heat entire homes, multiple rooms, and office spaces.

This mechanically complex air conditioning system provides weather-defying comfort and is considered an effective solution for cooling and heating your entire house. Some of these systems have temperature-controlled zones feature that enables you to set temperatures for individual rooms. Please read this to learn in detail about what is ducted refrigerated air conditioning.

Advantages of Ducted Air Conditioning System

  • It can be a cheaper cooling option versus installing several split system air conditioners or multi-head split system air conditioners in one property
  • It can be an energy-efficient cooling option with proper servicing of the unit and regular ductwork maintenance to ensure there’s no leakage
  • You can maximise energy efficiency with zoning
  • It is aesthetically pleasing as there are limited visible components
  • This system is virtually noiseless
  • Ideal for those looking for a minimalist design
  • It not only provides ultimate comfort but also adds to the value of your home
  • It provides year-round comfort

Disadvantages of Ducted Air Conditioning System

  • Installation of this system requires the most work and potential modification of your property
  • The initial cost could be pricey, especially for those who are on a budget
  • Not every home can accommodate this type of AC
  • Operating the system without zoning can be expensive

Read this informative piece to learn more about the pros and cons of ducted refrigerated air conditioning.


Daikin, Fujitsu, ActronAir, Gree, Mitsubishi, Haier, and Rinnai are considered among the best brands in Melbourne.

So, What’s The Best Air Conditioning System For You?

Now that you know the differences between the three popular types of air conditioning in Melbourne, you have to decide based on factors such as the installation cost, unique benefits of each system, your cooling needs, building specifications, and your budget.

If you’re not sure which air conditioner best suits your needs, it would be best to consult with a professional. You can contact us anytime if you have any queries related to choosing the right AC for your home or office.

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