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Simple ways to keep your power bills down as temperatures rise

Sep 29, 2025
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Is your aircon already getting a decent workout as the temperature rises? Source: Shutterstock.

Spring has only just sprung, yet the rising mercury already has air conditioners working overtime — even here at the Starts at 60 office, the aircon’s been getting quite a workout.

And with forecasts warning of a scorching summer ahead, now’s the perfect time to start thinking about ways to keep energy bills in check and avoid the sting of a hefty power bill.

For many households, the air conditioner feels like a non-negotiable once the heat hits. But running it around the clock can quickly drive energy costs sky-high, leaving households dreading the next bill. Older Australians, in particular, may feel the pinch, as staying cool isn’t just about comfort — it’s a vital part of protecting health and wellbeing during prolonged heatwaves.

The good news is there are plenty of ways to stay cool without burning a hole in your wallet. Starts at 60 spoke with Origin Energy, who reminded Australians that small changes in how we cool our homes — from the temperature we set to the way we insulate — can make a noticeable difference when it comes to keeping costs under control.

  • Keep your aircon in top shape

    If you’re relying on a reverse-cycle unit year-round, make sure it’s running efficiently. Clean filters and regular servicing will help keep energy use — and bills — under control.

  • Set the right temperature

    Even on scorching days, it’s best to set your aircon to a minimum of 24°C. Each degree below that can use around 5 per cent more energy, adding up quickly across summer.

  • Switch to fans when possible

    Ceiling fans are a low-cost alternative that can make a room feel several degrees cooler. On days with maximum temperatures between 28°C and 30°C, they can often do the job without needing to switch on the aircon.

  • Cut back where you can

    Reducing your aircon use by even one hour a day can add up to noticeable savings across the season.

  • Improve your home’s efficiency

    Bigger changes can deliver long-term benefits:

    • Insulation can absorb or reflect up to 45 per cent of the heat entering your home.

    • Double-glazing windows and doors can reduce heat gain by up to 40 per cent compared to standard glass.

    • Shading with awnings, blinds, or trees can keep your home cooler by blocking harsh summer sun.

Finding ways to reduce your energy costs as the warmer temperatures draw near is more important than ever after a recent report by the Australian Council of Social Service (ACOSS) highlighted a growing crisis facing Australians struggling to keep up with soaring energy bills, with many forced to sacrifice basic necessities such as food and medication to pay for electricity.

A survey of 1,011 Australians found that 50 per cent are going without essentials such as meals and medicine to try and cover the cost of their energy bills. Many are selling personal belongings or relying on buy now, pay later schemes to make ends meet.

The survey also shows the severe health consequences of living in homes that get unbearably hot. Over 90 per cent of respondents reported negative impacts from excessive heat, with 14 per cent seeking medical attention in the past year due to heat-related illnesses.

Despite taking steps to reduce their energy use, such as cutting back on lights and air conditioning, nearly two-thirds of respondents are still struggling to pay their bills.

As summer approaches, staying cool doesn’t have to come at the cost of bill shock. A few smart changes — from setting the right temperature to investing in insulation — can go a long way toward keeping your home comfortable while easing the pressure on your budget.

IMPORTANT LEGAL INFO This article is of a general nature and FYI only, because it doesn’t take into account your financial or legal situation, objectives or needs. That means it’s not financial product or legal advice and shouldn’t be relied upon as if it is. Before making a financial or legal decision, you should work out if the info is appropriate for your situation and get independent, licensed financial services or legal advice.

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