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Energy Saving Tips for Your Air Conditioner in Summer

Energy Saving Tips for Your Air Conditioner in Summer

Updated 2 January 2020 12:57 PM


Heating and cooling systems are big users of household energy

Managing, maintaining and making small adjustments can make a big difference to your energy use.


  1. Support your air conditioner by stopping cool air escaping:

        Insulate your ceilings and walls

        Ensure that all windows and doors are closed and properly sealed 
  2. Adjust louvres so they point cold air towards ceiling. Cool air is heavier than hot air and will drop down.
  3. Remove and clean air filters each season of use and clean your unit's front grilles every 2 weeks.
  4. Choose an appropriate thermostat temperature - 23 to 25 degrees in summer. Each degree will increase your energy consumption by up to 10 percent.
  5. Shade your home with trees, vegetation and shade devices. Shading can reduce indoor temperatures by 5 - 11 degrees.
  6. Cover your windows from hot sun - windows can be responsible for more than half household heat gain.
  7. Protect and shade any outdoor components of your air conditioning unit from direct sun.
  8. Make sure your unit is serviced and working efficiently.


Pic: Scott Webb | Unsplash
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Science Notes

Heating and cooling systems account for an average of 41% of household’s energy consumption and 19% of its greenhouse gas emissions. 

You can be pretty sure that the refrigerant in your air conditioner is an ozone depleting flourocarbon. It is important to make sure your air conditioning unit is always properly serviced each year. Leaking air conditioners not only deplete ozone, but they cost more to run as they have to work harder.

Related Tip

If you have the appropriate roof, install a whirly bird. They require no power to function, take the hot air out of your roof space and lower inside temperatures. They also assist in taking dampness and condensation out of the roof space and improving bathroom ventilation.

When you buy an air conditioner, both the heating and cooling Energy Efficiency stars are now shown on the appliance. More stars mean less cost, environmental damage and more efficiency.

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