How to clean a split system filter
Cleaning the filter is a good homeowner step, but it does not clean the coil, drain, fan barrel or hidden build-up inside the unit.
How to clean a split system filter
Cleaning the filter is a good homeowner step, but it does not clean the coil, drain, fan barrel or hidden build-up inside the unit.
What filter cleaning can and cannot do
- Filter cleaning can improve airflow and reduce dust passing through the unit.
- It does not clean the indoor coil, fan barrel, drain or hidden moisture build-up.
- If the unit still smells or cools poorly after filter cleaning, it may need a deeper service.
When a service makes sense
If the filter gets dirty quickly, the unit smells or airflow is still weak, send the system details through the form.
Related service pages
Related air conditioning questions
How do I clean a split system filter?
Remove the filter if it is safe to access, clean dust from it, let it dry fully and refit it before using the system.
How often should split system filters be cleaned?
Filters should be checked regularly, especially during heavy use, dusty conditions or when airflow drops.
Does cleaning the filter replace a service?
No. Filter cleaning does not clean the coil, fan barrel, drain, indoor unit build-up or outdoor unit.
Can a dirty filter reduce cooling?
Yes. A dirty filter can restrict airflow and reduce cooling performance.
When should I book split system servicing?
Book servicing if airflow is still weak, smells remain, water leaks, cooling is poor or the system has not been serviced for a long time.
Book an aircon service.
Send the job details through the form. A few clear notes now can save a lot of back-and-forth later.
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