How Often Should You Service Your Air Conditioner?

Air Conditioning
Isaac Jamieson
A woman wearing gloves looks at a dirty air conditioning filter they removed from the wall unit.

Is your air conditioner ready for the scorching summer? With two-thirds of Australian homes boasting at least one AC unit, this is a question we can’t ignore. But how often should we really be giving our trusty, life-saving cooling companions a check-up?

Regular air con servicing isn’t just about the cooling performance of your machine – it’s also about lowering energy consumption, preventing costly repairs, extending the unit’s overall lifespan, and improving the quality of the indoor air we breathe. So, let’s dive into why AC maintenance matters and how often we should be doing it.

Key Takeaways

  • Two-thirds of Aussie homes have at least one air conditioner
  • Most Australian households use AC for about nine weeks in summer
  • Regular air conditioner servicing is crucial for health and financial reasons
  • Proper AC maintenance ensures optimal performance and longevity

The Benefits of Regular Air Conditioner Servicing

Regular air conditioner servicing offers numerous advantages for both homeowners and businesses. Here’s why scheduling routine check-ups for your cooling system is a wise choice:

Optimal Energy Efficiency and Lower Running Costs

One major benefit of regular servicing is improved energy efficiency, which can lead to significant cost savings. A well-maintained AC unit operates more efficiently, using less power and reducing both electricity bills and your carbon footprint. Simple tasks, such as cleaning or replacing air filters, can greatly enhance airflow and contribute to lower energy consumption.

Prolonged Lifespan

Another key advantage is the extension of your air conditioner’s lifespan. Preventive maintenance can significantly prolong your unit’s life, helping it last well beyond the typical decade-long lifespan. By addressing minor issues early, we prevent them from becoming major problems that could shorten the unit’s operational life. This proactive approach ensures your AC system continues to serve you well for many years to come.

Enhanced Indoor Air Quality

Regular maintenance also plays an important role in enhancing indoor air quality. Clean filters and coils help reduce the presence of dust, mould, and bacteria in your AC system, which is especially beneficial for individuals with allergies or respiratory conditions. Many modern units are now equipped with advanced filtration systems that further purify the air when kept in good condition. By keeping your AC unit clean, you maintain a healthy indoor environment, contributing to the overall well-being of all occupants.

Minimised Risk of Unexpected Breakdowns

Finally, routine maintenance helps prevent unexpected breakdowns during peak usage periods, such as the intense Australian summers. Keeping your air conditioner in top shape ensures reliable performance when you need it most, offering peace of mind and comfort all year round.

BenefitImpact
Extended LifespanUp to 5-10 years longer
Energy Efficiency15-20% reduction in energy consumption
Air QualitySignificant reduction in airborne particles
Cost SavingsUp to 30% lower repair and replacement costs
A Tenmen technician in a yellow uniform works on an air conditioning unit. Nearby, a multimeter rests on the unit's casing, with cables connected to it.

Recommended Frequency for Air Conditioner Servicing

As we’ve seen, regular air conditioner servicing is important for optimal performance and longevity. We recommend scheduling seasonal tune-ups to keep your cooling system in top shape. Most manufacturers suggest an annual AC service to maintain efficiency and prevent unexpected breakdowns.

Maintenance TaskFrequencyBenefits
Air filter replacementEvery 1-3 monthsImproved air quality, energy efficiency
Coil cleaningYearlyBetter cooling performance, reduced energy use
Full system checkYearlyExtended lifespan, preventative maintenance

For cooling-only units, spring is the ideal time for servicing before the summer heat hits. If you have a reverse-cycle air conditioner, consider bi-annual maintenance in spring and autumn to ensure year-round comfort.

In cases of heavy usage, more frequent servicing may be necessary. It’s best to book a professional service in October or November, just before summer. During the warmer months, clean your filters regularly to maintain air quality and efficiency.

AC TypeRecommended Service FrequencyBest Time for Service
Cooling-only unitsAnnual AC serviceSpring (September-November)
Reverse-cycle systemsBi-annual maintenanceSpring and Autumn
Heavy-use systemsSeasonal tune-upsEvery 3-4 months

By following these recommendations, you’ll not only ensure your air conditioner runs efficiently – saving you money on energy bills and repairs in the long run – but also that it won’t let you down when you need it most.

Signs Your Air Conditioner Needs Immediate Attention

Recognising when your air conditioner needs repair can save you from costly breakdowns and energy waste. We’ve compiled a list of key air conditioner repair signs to help you with AC troubleshooting.

Unusual Noises and Odours

Strange sounds or smells from your AC unit are red flags. Grinding or squealing noises might indicate worn-out parts, while musty odours could signal mould growth. If you notice these issues, it’s time for a professional inspection.

Reduced Cooling Performance

Is your AC struggling to cool your home? Weak airflow or warm air from vents are common air conditioner repair signs. These problems often stem from clogged filters, refrigerant leaks, or compressor issues.

Increased Energy Bills

A sudden spike in your energy costs might be linked to your air conditioner. As units age or develop faults, they work harder to maintain desired temperatures, consuming more power. Regular AC troubleshooting can help identify and resolve these efficiency problems.

Warning SignPossible CauseAction Required
Unusual noisesLoose parts, motor issuesProfessional inspection
Strange odoursMould growth, burnt wiresImmediate servicing
Weak airflowClogged filters, duct problemsFilter replacement, duct cleaning
Warm air from ventsRefrigerant leak, compressor failureProfessional repair
Higher energy billsInefficient operation, ageing unitEnergy audit, potential replacement

Don’t ignore these signs – prompt action can extend your unit’s life and maintain your comfort. If your AC is over 10 years old and frequently needs repairs, replacement might be more cost-effective. 

Air Conditioner Servicing: DIY vs Professional Maintenance

We often get asked about DIY air con maintenance versus professional AC service. Let’s break it down for you.

Not all maintenance tasks need to be performed by a professional and DIY air con maintenance can be a cost-effective option for basic upkeep. Regular tasks include cleaning air filters, vents, and the outdoor unit. For homes with pets or allergy sufferers, replacing filters every two months is ideal. Otherwise, aim for a 4-6 month cycle if you use your AC less frequently. Want to learn how to do some basic cleaning and maintenance on your AC unit? Check out our handy guide:

How to do regular air conditioning maintenance – The 3 steps you cannot miss on your regular service 

While DIY efforts are valuable, professional AC service is still recommended for comprehensive care. Trained technicians can spot and fix complex issues like refrigerant leaks or electrical problems. They use specialised tools to clean coils, check refrigerant levels, and ensure optimal performance.

Maintenance TaskDIYProfessional
Clean/Replace FiltersYesYes
Clean VentsYesYes
Check Refrigerant LevelsNoYes
Electrical InspectionsNoYes

We recommend a balanced approach. Perform regular DIY maintenance to keep your system running smoothly between professional check-ups. Schedule a professional AC service annually to ensure your unit stays in top shape for years to come.

A person cleaning an air conditioning unit with a high-pressure spray in an indoor setting.

Pre-Summer Air Conditioner Servicing: Preparing for the Heat

A pre-summer AC check ensures your cooling system performs at its best when you need it most. Let’s explore the ideal timing and key components to focus on during your cooling system checks.

Key Components to Check

During cooling system checks, several critical areas require attention. These include:

  • Filters: Clean or replace to ensure proper airflow
  • Coils: Inspect and clean for efficient heat transfer
  • Refrigerant levels: Check and top up if necessary
  • Electrical connections: Tighten and test for safety

A thorough pre-summer AC check covers these elements and more. Let’s break down the typical servicing process:

ComponentService ActionBenefit
Air filtersClean or replaceImproved air quality and system efficiency
Evaporator and condenser coilsClean and inspectEnhanced cooling performance
RefrigerantCheck levels and recharge if neededOptimal cooling capacity
Electrical componentsTest and tighten connectionsIncreased safety and reliability
ThermostatCalibrate and testAccurate temperature control

By having these key areas addressed by a professional during your pre-summer AC check, your cooling system will be ready to efficiently and effectively tackle the intense Australian summer heat.

A Tenmen technician hand adjusting gauges on a Fujitsu Inverter AC unit.

Air Conditioner Servicing for Different Types of Systems

We understand that not all air conditioners are equal. Different systems require specific care to keep running smoothly.

Split systems, which typically cool single rooms, often need more frequent cleaning due to their smaller size and capacity. While some basic maintenance tasks can be handled on your own, professional maintenance is recommended at least once a year to ensure peak performance.

Reverse cycle systems, popular in Australia for their ability to provide both cooling and heating, should also be professionally maintained at least once a year, ideally twice, to ensure they perform optimally throughout both summer and winter.

Ducted systems are complex, involving a network of ducts and multiple components, which makes professional maintenance essential. Common in larger homes and offices, these systems benefit from regular servicing to prevent dust build-up and ensure even air distribution throughout the building.

Tenmen electrician in a blue uniform is installing or inspecting a flexible aircon duct in a brightly lit room.

In the end, no matter what type of air conditioner you have, regular servicing is essential. It helps maintain optimal performance and efficiency, catch small issues before they become major problems, and ensures you enjoy longer-lasting comfort in your home or workplace. Most importantly, it provides peace of mind knowing your air conditioner is running smoothly and reliably.

In Closing

Now that we covered aircon servicing in detail, don’t hesitate to give our friendly team a call if you need help with getting your air conditioner in top shape before the season!

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About Isaac Jamieson

Electrician, and refrigeration mechanic with over 12 years of experience, Isaac is the founder, director and driving force behind Tenmen Electrical.

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