How often does an air conditioner need servicing?

Many installers and some manufacturers advise a professional service roughly every one to two years, and at least yearly if the unit runs heavily. The right interval depends on your model, how much you use it, and your warranty, so follow the owner’s manual and the manufacturer’s maintenance guidance.

Why does an air conditioner need servicing?

Air conditioners move a lot of air and moisture, so dust, mould and wear build up over time. A service helps keep the unit running efficiently and can catch small faults before they become big ones, such as a slow leak, a worn fan or a blocked drain. Regular servicing is also linked to fewer smells, noises and breakdowns.

How often is it recommended?

Advice varies, and none of it replaces your own manual. RACV says most manufacturers recommend an annual service. GENERAL (the brand formerly known as Fujitsu General in Australia) says generally every one to two years, and at least once a year for units that run heavily through summer or all year. In Brisbane, where units work hard in a long, humid summer, many people choose to service before the warmer months. Check your paperwork and the manufacturer’s guidance for any servicing requirements.

What about the parts I can see?

The manual explains what the manufacturer expects of the owner between services. Follow that guidance as written, and do not go beyond it. Do not open the unit, touch internal parts, clean coils or work on the outdoor unit. Those jobs belong to a licensed technician.

Who should do the service?

A technician with the right licence. Servicing often involves refrigerant, which in Australia requires a licence from the Australian Refrigeration Council (ARC), and electrical parts. You can check a technician’s licence through the ARC at arctick.org. For electrical work, you can check a licence online with the state regulator.

What does a service usually include?

This varies by provider, but typically a technician inspects and cleans the parts that the manufacturer allows, checks the condition of the indoor and outdoor units, looks at the drain, checks electrical connections and operation, and reports on anything worn. Ask for a clear list of what is included and a written record you can keep with your warranty papers.

Is servicing worth it for an older unit?

Often yes, because older units are more likely to have wear or leaks. A technician can tell you whether repair or replacement makes more sense.

What if I have missed services?

Do not worry about the gap, but do not leave it longer. Book a licensed technician, tell them roughly when it was last serviced and mention any smells, noises or leaks. Check your paperwork and the manufacturer’s guidance for what applies to your unit.