Air Conditioners

Story Title: Air Conditioners
Episode: 9
Date: 6th November
Presenter: Anne Armansin and Kim Syrus

Air-conditioners can be expensive to run, so let's look at some other ways you can help keep the house cool before switching on the air-conditioner.

  • Does your home have insulation in the ceiling?

Insulation can help your home feel about 2C more comfortable and delay the need turn on the air-conditioner. And once you have turned it on, the insulation will help keep that cool air in.

  • Window awnings can help keep block out the sun
  • Curtains and blinds inside can also help block out the sun and help to keep the cool in
  • Mind those gaps! Seal the gaps around doors and windows to keep the hot wind out and the cool air in. Draught stoppers are also great for this,
  • Think about planting deciduous trees to shade the western side of your home to shade it from the sun.
  • Don't forget that fans, both pedestal and ceiling, use very little energy compared to air-conditioning

When the mercury is rising and you decide to turn on your air-conditioner, remember these tips to help keep your energy bill down.

  • Seal up the house keep all doors, curtains and blinds closed
  • Set the thermostat to 24 and no less! Every degree less costs 10% more
  • Turn your unit on at about 10am before the weather and your home begin to heat up
  • Turn your unit off at around 5pm when temperatures begin to drop and remember to keep the doors, curtains and blinds closed to keep the cool air in.
  • Only open up your home when the outside temperature has cooled down.
  • Make sure the external unit of the air-conditioner has some clear space around it to help it run more efficiently, and if possible, in a shaded area so it doesn't overheat.

Air conditioning is designed to change the temperature inside your home to about 8 - 10C cooler than the outside temperature. And if you're heading out for more than an hour, it's more energy efficient to turn your unit off. If you'd like more information to keep cool this summer without blowing your budget or have a question go to

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