Why is ducted air conditioning becoming more popular?
Homeowners and businesses want comfort throughout the building, not just in one room, without a unit on every wall. Ducted systems deliver that, and improvements in inverter compressors, zone controls and smartphone apps have made them more efficient and easier to use than older systems.
Some homeowners have a collection of ageing split systems, or an old ducted system with basic controls, and want something better. Below we look at the reasons behind the shift to ducted air conditioning, and where it does and does not make sense.
What makes ducted air conditioning so comfortable?
A ducted system delivers conditioned air through outlets in every room on the system, so temperatures are even across the house rather than one room being cold while the hallway and bedrooms stay hot. It handles hot, humid summers and cool winter nights from the same reverse-cycle unit.
Because outlets can be placed where they mix air best, ducted systems avoid the strong single draught you can get from a wall unit. Comfort still depends on design: the right capacity, ducts sized to each room and well-placed outlets. Read why duct design matters.
How energy efficient is ducted air conditioning?
A modern ducted system with an inverter compressor, well-sealed and insulated ducts, and zoning can be efficient for a whole home. Ducts do lose some energy, so the efficiency gain comes from cooling only the zones you need, running at part load most of the time, and using sensible settings.
Efficiency features worth looking for include variable-speed (inverter) compressors, smart controls with schedules, and zone control. On the thermostat side, 25–27°C for cooling is the setting the Australian Government recommends, and each degree lower adds to running costs. See maximising energy efficiency.
How versatile and customisable are ducted systems?
Very. Zoning divides the home into areas, such as bedrooms and living areas, which you switch on or off as needed. With a controller like AirTouch 5, each zone can also hold its own temperature. That suits families, shift workers and anyone who wants bedrooms cool overnight without cooling the whole house.
Ducted systems also suit a wide range of buildings, from single-storey homes to two-storey houses and small commercial spaces, and can be designed around renovations and extensions. See AirTouch 5 zoning explained.
Why do people like the look of ducted air conditioning?
The indoor unit and ducts are hidden in the roof space, so all you see is slim ceiling outlets and a return-air grille. There are no bulky units on walls, which keeps interiors clean and lets you furnish rooms freely. The outdoor unit is usually placed along a side wall.
Ducted systems are also quiet inside, since the fan is in the roof rather than in the room. You hear a gentle airflow at the outlets. Outdoor units need to be positioned with neighbours and bedrooms in mind, which we plan at the quote.
How does ducted air conditioning work with smart home technology?
Smart zone controllers and manufacturer Wi-Fi modules let you control a ducted system from your phone: turn it on before you get home, switch zones, set schedules and check usage. Some integrate with voice assistants and home automation platforms, depending on the brand and controller.
Remote monitoring, schedules and usage tracking help you stay comfortable and avoid waste. See the benefits of smart thermostats and home automation.
Is ducted air conditioning the future of indoor climate control?
For whole-home comfort, ducted air conditioning is likely to remain a leading choice, as systems become more efficient, use lower-impact refrigerants and integrate better with solar and smart homes. Split systems will stay the right answer for single rooms, apartments and homes without roof space.
The best choice depends on your home. Compare the options in our guide to ducted vs split systems, and read about refrigerants and solar and batteries if you are planning for the long term.
What is the bottom line?
The move to ducted air conditioning reflects what people want from their homes: consistent comfort, control over which rooms are cooled, quiet operation, a clean look and easy app control. Designed and installed well, a ducted system delivers all of that efficiently. If you are considering the switch, book a free quote.