How does a ducted air conditioner work is one of the first questions many Aussie homeowners ask when they’re building a new home, renovating, or upgrading their cooling system.
Ducted air conditioning is known to bring quiet, powerful and home-wide comfort, but the mechanics of how it actually works over your ceiling can be a mystery itself. You press a button, adjust the temperature, and within a few seconds, all the rooms are cooler. But what is really going on in the background?
Firstly, it is better to know how your ducted system functions in order to use it more efficiently. Secondly, it enables you to identify problems at the initial stage before they become costly failures. Last, it also makes you sure that your investment is paying off in the way it is supposed to.
This comprehensive home comfort will guide you through each and every detail you need to know, such as what a ducted air conditioner really is, each part that is inside it, how the entire cooling process works, and how to keep it clean and in excellent condition.
What Is A Ducted Air Conditioner?
A ducted air conditioner is a centralised air cooling and heating system that is used to regulate the temperature of your whole house by using an invisible system of ducts. Ducted systems, unlike split systems, distribute conditioned air to several rooms rather than just one of them using the same indoor unit.
To illustrate, you can cool your bedrooms, living rooms, as well as hallways simultaneously. Likewise, with most of the current systems, there is also a feature of zoning, which will allow you to adjust temperatures in various areas of the house separately.
It implies that you can only cool the space you are using and conserve energy in rooms that are not in use. This comfort, convenience and control of energy make duct air conditioning very popular in all parts of Australia.
Components of a Ducted System
To truly understand how does a ducted air conditioner work, you need to know what each part of the system does. Each of the parts is crucial to the effectiveness of transporting the heat out of your house and bringing cool and clean air back inside.
Outdoor Unit (aka Condenser)
The outdoor unit is positioned outside your residence, and it is the one that releases the heat that has been removed indoors.
It has a compressor, condenser coil and a fan. This unit labours hard, especially during the summer season when hot air is forced into the outside atmosphere to ensure your house is cool.
Indoor Unit (aka Air Handler)
The indoor unit is typically mounted to the roof area or ceiling. This unit contains an evaporator coil and a high-powered fan within. It is at this point that the warm air in your house is cooled and then chilled and channelled through the ductwork.
Refrigerant Lines
Refrigerant lines are insulated pipes that join the indoor and the outdoor units. These lines pump refrigerant in and out of the system, and heat is taken in on the inside and given out on the outside. The cooling cycle just could not run without these lines.
Ductwork
The ductwork consists of a sequence of insulated tubing concealed in the ceiling or the floor. These ducts distribute cold air to all the vents around your house, as well as transfer warm air back to the indoor unit.
Vents
Vents refer to the holes that are visible in every room, which enable cool air to enter your living quarters. They are strategically placed so that they can create an even airflow and uniform temperatures all over your house.
Thermostat
The thermostat is the control centre in your ducted system. It detects the temperature within your house and gives commands to the air conditioner to either switch off or switch on. Most current thermostats can be programmed, have the ability to adjust zones, and are even remotely controllable using a smartphone.
Air Filter
The air filter catches dust, pollen and other particles in the air, and then air is passed through the system. This keeps the interiors healthy and enhances indoor air quality in your home.
Condensation Drain Pipe
Due to the cooling of warm air in the system, moisture condenses on the evaporator coil. This water is safely pumped off the unit via the condensation drain pipe before it can cause leakages, mould and water damage.
Need help understanding your ducted system or want a professional to assess its condition?
Contact Surrey Air’s experts today for guidance and support.
How Does A Ducted Air Conditioner Work? Step-by-Step Process
Now let’s break down exactly how does a ducted air conditioner work from start to finish. After knowing the whole process, the whole system seems a lot easier to appreciate.
Step 1: Temperature Detection
It all starts with the thermostat. It is continuously tracking the temperature in your house. Once the room temperature increases beyond your selected temperature, the thermostat will send a signal to the system to start cooling.
Step 2: Air Intake From The Room
Secondly, the inside air in your home enters the system via return air grilles. This air enters the air filter that removes dust, pet hair and any other particles before any cooling process occurs. This not only secures the system but also enhances the quality of the air circulating.
Step 3: Refrigerant Compression And Condensation
The warm air is then filtered and made to pass over the evaporator coil within the inner unit. In this case, the refrigerant cools the air down, and the refrigerant transforms into a gas. The gas then passes on to the refrigerant lines to the outdoor unit.
Having been pumped to the outdoor unit, the compressor raises the pressure and the temperature of the refrigerant gas. This heat is then passed onto the outer air by the condenser coil.
The heat is removed, and the refrigerant is cooled back to a liquid, where it will undergo the process once again. Nevertheless, this complete heat exchange occurs within seconds, and the cool-down process seems almost instant indoors.
Step 4: Cooled Air Distribution
The system has a powerful fan, which blows the now-cooled air through the ductwork after the heat is removed from the indoor air. The vents take this cold air into the rooms in equal quantities.
As an example, you could have your lounge room, kitchen and bedrooms cooled simultaneously without the separate wall-mounted units. Likewise, in case you have zoning in your system, some parts of your system may be allowed more cooling compared to others based on their purpose.
Step 5: Air Recirculation
Lastly, since the cooled air is driven into your rooms, more warm air is again sucked back into the return ducts. This forms a continuous cycle of cooling, circulation and temperature control. The system will continue cycling until your house has the right temperature that you have set using the thermostat.
How To Clean A Ducted Air Conditioner
Understanding how does a ducted air conditioner work also means knowing how to look after it properly. Although ducted systems are largely subterranean, they need to be regularly cleaned and maintained in order to be efficient and safe.
To begin with, the air filter must be either cleaned or changed after every one or three months, depending on the frequency of running your system and the conditions in your house. Houses with dogs, smokers or allergy victims might require cleaning more often. Clogged filters inhibit airflow, reduce efficiency of cooling, and cause the system to work even harder.
Secondly, the dusting of the vents should also be done frequently to avoid the possibility of blowing the debris back into the room. On the same note, you are to maintain the outdoor unit without leaves, dirt, and other obstructions to allow heat to escape effectively.
Nevertheless, the more thorough internal cleaning must be done by professionals. As an example, technicians clean internal coils, fans, drain trays, and ductwork using specialised equipment.
This gets rid of concealed mould, bacteria, and dust, which cannot be removed using only DIY cleaning. Professional servicing not only extends the life of your system as well as safeguards your indoor air quality but also increases the performance of your system.
Want a thorough system clean or professional ducted AC maintenance?
Book a service with Surrey Air’s qualified technicians here.
Conclusion
To sum up, knowing how does a ducted air conditioner work gives you a whole new appreciation for the comfort it delivers every day.
Put simply, ducted systems work based on a brilliant loop of temperature sensing, air intake, heat transfer and even distribution of air that silently cools down your whole house, making it really comfortable.
The outside condenser, the ductwork hidden and the strategically located vents are all very important elements. Nevertheless, regardless of how technical the technology might be, regular cleaning, intelligent use and professional maintenance are still needed to achieve long-term effectiveness and dependability.
When you need to maintain your system, get into some problems or need to install a brand-new system, then you can rely on the professional services of Surrey Air in terms of professional maintenance, quick repairs and quality ducted system installation.
Contact us today and our seasoned technicians and reliable solutions will ensure that your home is comfortable all year.
