What is Better: A Split System or Ducted AC?

Split System Vs Ducted Aircon: Pros and Cons

Air conditioning systems are a must have for every Australian home and business. But, choosing between a split system or a ducted system can be a dilemma? How do you choose which is right for you?

Maybe you have an AC system already and are looking for an upgrade? Or maybe you’re renovating your home or business and want an air conditioning system to fit your budget? Whatever your current situation, choosing the right AC is one of the toughest decisions. This article aims to make it a little easier for you, by breaking down the pros and cons of each.

Split Systems

How Do Split System AC Units Work?

Split systems are basically split into two main units. The inside unit is the evaporative heat exchanger that blows air around the room. The outside unit is the condensing heat exchanger that is responsible for releasing heat.

Split systems are generally a better choice when only one room needs cooling. They are operated by remote control and are easier and more affordable to install, but do come with some limitations.

Pros and Cons of Split System Air Conditioning Systems


  • Cheap to install and run
  • Ideal for small houses or single rooms
  • Quite flexible and additional units can be added at any time


  • Some consider the inside and outside units to be unsightly
  • They struggle in larger rooms to push enough air out

Ducted Systems

How Do Ducted System AC Units Work?

Ducted air conditioning systems work to blow cool air into your property through a series of ducts. In the roof space of your home, an internal fan coil is placed which is where the system runs from. From here, a series of ducts can run to as many rooms of the home you require.

Each duct can be controlled individually (zoning) to heat or cool each room. A thermostat on the wall is used to control the whole system at the touch of a button. For larger properties, those renovating and businesses, ducted air conditioning is the best choice for great features and ultimate control.

Pros and Cons of Ducted System Air Conditioning Systems


  • Discreet and easy to blend in with a home décor being hidden under the ceiling
  • Gives ultimate control allowing you to cool or heat each room individually
  • Easier to maintain an even temperature throughout a property
  • A lot quieter than a split system unit


  • More expensive and time consuming to install
  • Needs a lot of space which some homes can’t accommodate
  • Unless you keep your AC zoned, you’ll pay to heat or cool your whole home