How Often Should You Service Your Air Conditioner?

Like a motor vehicle, an air conditioner is an electromechanical system that requires routine maintenance to remain safe, efficient, and reliable. However, many homeowners only consider booking a technician when the system stops working completely.

In South Australia, where summer temperatures frequently exceed 38°C and winter nights drop below 5°C, reverse cycle systems work hard across both seasons. So, how often should your system actually be serviced?

Direct Answer: Standard Service Intervals

DIY Filter Cleaning vs Professional Servicing

There is a distinct difference between routine homeowner tasks and professional technician servicing:

• DIY Cleaning (Every 4–6 Weeks in Peak Seasons): Homeowners should wash split system nylon filters or vacuum ducted return air grilles regularly. This keeps large dust particles out of the heat exchanger.
• Professional Servicing (Annually): A qualified technician cleans deep inside the aluminium coil fins with anti-bacterial foam, flushes condensate drain traps, tests electrical capacitance (µF), checks refrigerant pressures with digital manifolds, and measures airflow temperature drops.

Why Annual Servicing Saves You Money

Skipping annual maintenance to save money is a false economy:

1. Lower Electricity Bills: Clean heat exchangers reduce thermal resistance, lowering compressor power consumption by up to 20%.
2. Mould and Odour Elimination: Dark, moist indoor coils accumulate fungi and mould spores that circulate into your living room. Annual chemical sanitisation keeps air fresh.
3. Preventing Summer Breakdowns: Technicians detect bulging capacitors, loose electrical terminals, and blocked drain lines before they cause failure in a heatwave.