Regular cleaning of filters is important for not only the air quality of the home but also the running costs and reducing wear & tear (and more involved cleaning) of the air conditioner.
Sometimes though, you need a technician to check your air conditioner over to get to the parts you can't get to and report on what condition your air con is in.
Blocked Filters
If the filters become clogged, the air conditioner motor has to work much harder to push the air through the filters, increasing the power consumption of the machine.
The full filters can also lead to dust & dirt bypassing the filters and blocking the coil of the indoor unit and uneven dirt buildup on the fan barrel
Dirty fan barrel
Uneven dirt on this fast spinning cylinder causes it to wobble and will eventually lead to the wearing out of the bearings in the fan motor, but not before making a loud whining noise that gets progressively worse.
Looking after your air conditioner
A preventative maintenance clean can determine whether a strip & clean major service is required to prevent further damage to the bearings, however, in most cases, regular filter cleaning and annual preventative servicing should eliminate the need for strip & cleans. The time taken for a strip & clean is highly variable and is dependent on the type and condition of the air conditioner.
What's involved in a Maintenance & Deep Clean
MAINTENANCE CLEANS
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Clean Filters
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Clean Casings
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Clear Drains
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Check electrical & mechanical protections for deterioration
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Check duct components for deterioration & functionality (ducted air conditioners only)
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Report on appliance condition & recommendations
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Provide rectification Quotes
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Keep a detailed asset register for the future
DEEP CLEANS
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As per standard maintenance clean plus;
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Either removal of fan barrel to gain greater access for a deeper clean and clean of fan barrel to reduce wear & tear on air conditioner
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Or, if fan barrel removal is not feasible or access to the air chamber is required, the entire split system will be covered with a special bag and carefully hosed out by a qualified technician