Filters: check them regularly
Most split-system manufacturers recommend checking and rinsing the reusable filters regularly, often every few weeks during heavy use. Your unit's manual has the exact interval and the correct way to remove and refit them. Always let filters dry fully before putting them back.
Professional deep clean: about once a year is common
A deep clean goes beyond the filters. It reaches the coil, fan, drain and casing, which is where dust, dirt and visible mould can collect. For a typical home, a professional clean about once a year is a sensible starting point.
You may want to clean more often if
- The system runs most days, for cooling and heating.
- You have pets that shed hair and dander.
- Your home is dusty, close to building work or an unsealed road.
- Someone in the household is sensitive to dust or musty smells.
- It's a rental or Airbnb and the system changes hands between occupants.
- It's a business or childcare space with lots of people through the day.
Why this matters in Bendigo
Bendigo has hot summers and cold winters, so many homes run a reverse-cycle split system for both cooling and heating. More running hours means more air, and more dust, moving through the unit.
Check your warranty and manual
A clean doesn't replace any servicing your manufacturer or installer requires. If your system is under warranty, check the conditions before booking any work.
Not sure whether yours is due? Read our list of signs your air conditioner needs cleaning.