What makes ducted aircon different?
Ducted aircon conditions the whole home from one indoor unit hidden in the roof, sending air through insulated ducts to outlets in each room. That central design is what gives it its advantages in comfort, looks, noise and control over wall-mounted systems.
Below we look at each advantage in turn, from whole-home comfort and zoning to air quality, running costs and smart control, along with what you need for it to work well.
Why is ducted aircon such a comfortable option?
Ducted aircon delivers consistent cooling and heating to every room on the system, so you avoid the hot hallways and warm bedrooms you get when only one room has a wall unit. As a reverse-cycle system, it keeps you comfortable through humid summers and cool winter nights.
Comfort depends on good design: correct capacity, ducts and outlets sized to each room, and outlets placed so air mixes well without blasting anyone. That is why we design every ducted system room by room. See why duct design matters.
How does ducted aircon zoning give personalised comfort?
Zoning splits the home into areas, such as bedrooms, living spaces and a home office, that you switch on or off from the controller. You cool only the rooms in use. With AirTouch 5 temperature control, each zone can also hold its own temperature.
That means bedrooms cool at night while living areas rest, and the home office comfortable during the day without cooling the whole house. Zoning is also the main way to keep ducted running costs down. Read AirTouch 5 zoning explained.
How quiet is ducted aircon?
Inside the home, very quiet. The fan unit sits in the roof space, so in the room you hear only a gentle airflow from the outlets. That makes ducted a good choice for bedrooms, studies and open living areas where a wall unit’s fan would be noticeable.
Outdoor units make some noise, as with any air conditioner, so we position them with bedrooms and neighbours in mind.
Why does ducted aircon look better?
Everything except slim ceiling outlets and a return-air grille is hidden in the roof space. There are no units on the walls and no pipe covers running down the outside of the house to each room, so interiors stay clean and you can furnish rooms however you like.
Outlets come in different styles and colours to suit your ceilings. The outdoor unit is usually placed along a side wall or in a service area.
Can ducted aircon improve indoor air quality?
Yes, when it is maintained. All the air the system moves passes through a return-air filter, which captures dust and some allergens. Adding a higher-grade filter or a UV sanitiser improves this further, and running in cooling or dry mode lowers humidity, which discourages mould and dust mites.
A dirty filter or coil works against you, so regular servicing matters. See the air filter and sanitiser option and how to improve indoor air quality.
Is ducted aircon energy efficient?
A modern inverter ducted system can be efficient, provided it is sized correctly, the ducts are sealed and insulated, and you use zoning to cool only the rooms in use. Ducts do lose some energy, so for one or two rooms a split system is usually cheaper to run.
Set 25–27°C for cooling, use schedules, and keep the system serviced. If you have solar, run cooling while the panels are producing. Read maximising energy efficiency.
Does ducted aircon work with smart home systems?
Yes. A smart zone controller such as AirTouch 5, or the manufacturer’s Wi-Fi control, lets you run the system and its zones from your phone, set schedules and start cooling before you get home. Smart home and voice integration options depend on the brand and controller.
See the benefits of smart thermostats and home automation.
What is the bottom line?
Ducted aircon brings whole-home comfort, personalised zoning, quiet operation, a clean look, better air quality and smart control, and it can be efficient when it is designed and used well. Weigh those advantages against the upfront cost and the rooms you actually need to cool. To find out what ducted would look like in your home, book a free quote.