The Senior

Why your old AC system might be more trouble than it's worth

Picture by Shutterstock
Picture by Shutterstock

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As we navigate the sweltering heat of Australian summer, it is crucial to ensure that our indoor environments remain cool and comfortable. For many of us, relying on an ageing air conditioning (AC) system seems like a cost-effective choice.

However, it is important to recognize that your old air conditioner might be more trouble than it is worth. Now may be the perfect time to consider replacing your outdated AC system, especially since a new unit can provide significant benefits for your comfort, health, and finances.

Energy efficiency

First and foremost, older AC systems tend to be inefficient, consuming excessive energy to maintain desired temperatures.

This inefficiency not only leads to higher utility bills but also contributes to unnecessary strain on the environment. With the advancements in technology, modern AC systems offer superior energy efficiency, enabling you to save both money and valuable resources.

Fortunately, the Australian government has shown initiative to reduce energy consumption through efficient air conditioning models.

The NSW government has begun promoting that residents upgrade their air conditioning as a part of the Energy Saving Scheme, while the VIC government implements heating and cooling upgrade rebates for 250,000 low-income and vulnerable households.

With these government endorsements, it is clear that replacing your old AC system is not just beneficial to you and your electricity bill, but also to the sustainability of Australia's overall energy system.


When it comes to reliability, older AC units often fall short of effectively cooling larger spaces or maintaining consistent temperatures throughout the house.

This is usually due to the build-up of mechanical issues and faulty wiring, which can result in discomfort and uneven airflow, making it difficult to escape the summer heat.

This degradation of performance is true for any form of indoor heating or cooling, regardless of their power source.

Even if you are not replacing your system, it is still important for utilities such as air conditioners and gas heaters to be regularly serviced to prevent any damage to your household or the release of dangerous substances.

Regardless, upgrading to a newer system ensures powerful and consistent cooling performance, allowing you to enjoy a refreshing and comfortable indoor environment.


One critical aspect that often accompanies older air conditioning units is the lack of warranty coverage. As AC systems age, manufacturers and suppliers tend to phase out warranties and support for these outdated models.

This absence of warranty protection can leave homeowners vulnerable to costly repairs or replacements in the event of a malfunction or breakdown.

This is because, without warranty coverage, the financial burden falls solely on the homeowner, which can be both inconvenient and financially draining.

By replacing your old AC unit with a new one, you not only benefit from the latest technological advancements and improved performance but also gain the assurance of a manufacturer's warranty.

This warranty coverage provides peace of mind, protecting you from unexpected repair expenses and ensuring that any issues with your new AC system will be promptly addressed.

Investing in a new air conditioning unit with a comprehensive warranty is a proactive and prudent decision that can save you from potential financial burdens and provide a reliable cooling solution for years to come.

Maintenance and repairs

The mechanical issues and wiring issues of outdated AC systems mean that units require frequent repairs and maintenance, adding to the overall costs and inconveniences.

As AC units age, their components deteriorate, making them more prone to breakdowns and malfunctions. This becomes notable in the form of:

  • The system overheating
  • Poor temperature regulation
  • Irregular airflow
  • The system turns itself on and off in frequent cycles
  • Water leakage
  • Higher levels of humidity indoors
  • Strange odours
  • Unusual sounds such as grinding, buzzing, whistling, or rattling when the system is operating

Investing in a new AC system can reduce the likelihood of unexpected breakdowns and stop the building costs of frequent repairs.

Trusted and certified AC installers

When it comes to replacing old AC systems, seeking the expertise of professional technicians can be invaluable. Experienced technicians possess the knowledge and skills necessary to assess your home's specific cooling needs and provide trustworthy consultation on the best AC model for your requirements.

They can consider factors such as the size of your living space, insulation quality, and existing ductwork to recommend a system that will efficiently and effectively cool your home.

Additionally, expert technicians stay up-to-date with the latest advancements in AC technology, enabling them to guide you towards energy-efficient options that align with your budget and environmental concerns.

For those most interested in the sustainability of the environment, it is best to look for installers who follow the guidelines set out by the Australian Refrigeration Council (ARC) Certification.

This government-supported organisation is Australia's response to the global agreement of phasing out ozone-depleting substances, which includes refrigerant gases found in air conditioners.

By replacing your old unit, you can enjoy the peace of mind that comes with a reliable cooling solution, and even special promotions from trusted air conditioning specialists that accept AC system trade-ins for future discounts.

This includes professionals like local air conditioning replacement experts Alliance Climate Control, whose experienced consultation can help you make an informed decision regarding the replacement of your old AC system, ensuring optimal comfort, cost savings, and longevity.

Their expertise and guidance eliminate the guesswork and ensure that you invest in a new AC unit that is perfectly suited to your home, providing you with peace of mind and a reliable cooling solution for years to come.

Upgrading your old AC system offers numerous advantages, including improved energy efficiency, enhanced cooling performance, and reduced maintenance costs.

By taking this step, you can enjoy a comfortable living space while also contributing to a greener and more sustainable future.

Don't let your old AC system be a source of trouble; it's time to embrace the benefits of modern technology.