Servicing and maintenance
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Refrigerated systems should be professionally serviced about every 12 months, ideally before peak season. Tell us what you need and we can connect you with relevant professionals.
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How It Works
Four steps to your professional
Tell us what you need
Submit your enquiry, even if you’re unsure which system or service is right for you.
Speak with AC Wise
Our team will contact you within one business day to confirm your details and understand your air conditioning needs.
Connect with relevant professionals
Once we’ve checked your enquiry, we can share it with up to two relevant professionals from our network.
Choose what suits you
Consider your options and find a solution for your home, needs and budget. Requesting quotes is free, and there’s no obligation to accept a quote or proceed with installation.
How often to service
- Split and ducted systems: about every 12 months, ideally before peak season.
- Evaporative coolers: a professional every two to three years to de-scale the pads, check the pump, adjust the fan belt and set the bleed rate.
- Filters: you can clean washable filters yourself every four to six weeks in regular use.
When to book a technician now
- Unusual noises
- Weak airflow
- The system runs but does not reach the set temperature
- Water dripping indoors
- Ice on the unit or refrigerant lines
- An unexplained jump in your power bill
Each points to a fault that needs professional diagnosis. Refrigerant and electrical work must be done by a licensed technician.
Read the full guide: Air conditioner maintenance, what to do yourself and when to call a professional.
Common questions
- How often should an air conditioner be serviced?
- Refrigerated systems, both split and ducted, should be professionally serviced about every 12 months, ideally before peak season. Evaporative coolers need a professional every two to three years to de-scale the pads, check the pump, adjust the fan belt and set the bleed rate.
- What can I do myself between services?
- Clean the filters. Most split and ducted return filters are washable and should be rinsed every four to six weeks in regular use, or as often as fortnightly in heavy use. Let them dry fully before refitting. Keep leaves, dirt and vegetation about 500mm clear of the outdoor unit, and rinse dusty fins gently with a low-pressure hose after switching the unit off at the isolator. Never use high pressure.
- When should I book a technician?
- Book a licensed technician if you notice unusual noises, weak airflow, the system running without reaching the set temperature, water dripping indoors, ice forming on the unit or refrigerant lines, or an unexplained jump in your power bill. Each points to a fault that needs professional diagnosis.
- Who is allowed to work on the refrigerant or electrical side?
- All refrigerant handling and electrical work must be carried out by a licensed technician. Refrigerant work requires a licence through the Australian Refrigeration Council (ARC). Refrigerant, electrical, drainage and ductwork repairs are not DIY jobs.
- Does regular servicing matter for my warranty?
- Regular professional servicing is often required to keep a manufacturer's warranty valid. Check your own warranty terms for what is required.
- Does AC Wise do the service?
- No. AC Wise connects you with independent air conditioning professionals. Once we have checked your request, we can share it with up to two relevant professionals from our network, and you choose what suits you. Requesting quotes is free, with no obligation to accept a quote.
Sources
- AIRAH: DA19 HVAC&R Maintenance Schedules, maintenance under AS/NZS 3666.2. airah.org.au
- Australian Refrigeration Council: licensing for refrigerant handling and air conditioning work. arctick.org
- Australian Government, Department of Climate Change, Energy, the Environment and Water: keeping cool and filter cleaning guidance, and evaporative cooling maintenance. energy.gov.au
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