Operate heaters and air conditioners efficiently

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Once you install a heater or air conditioner there are some simple things you can do to reduce your electricity bill and save energy:

  • Install the air conditioner (or outdoor unit of a split system) on the shady side of the building (or shade the air conditioner itself) and make sure the air flow around it isn't obstructed.
  • Set the room temperature between 18 to 20 degrees Celsius in winter and between 25 to 27 degrees Celsius in summer. Check the temperature after the unit has been operating for 30 minutes.
  • When a hot day is expected, turn on the air conditioner early rather than wait until the building becomes hot. It operates more efficiently when the outside air temperature is cooler.
  • If you have ceiling fans and air conditioning installed, switch off your air conditioner once you have cooled the room to the desired temperature and then use your fan to circulate the conditioned air.
  • Keep windows and doors closed when using reverse cycle air conditioners.
  • Evaporative air conditioners require some air flow so you need to keep some windows open.
  • If your air conditioner has adjustable louvres, adjust them towards the ceiling when cooling, and towards the floor when heating (as cool air falls and hot air rises).
  • Cover vents from heating and cooling systems when not in use to prevent unwanted heat gain or loss.
  • Follow the manufacturer's instructions for filter cleaning to improve airflow and efficiency and keep your heating and cooling appliances well maintained.
  • Ensure you read the maintenance instructions or contact the manufacturer to get advice on any health and safety features and how to use your system safely.

Source: Your Energy Savings

Last Updated: 
Sun 06/03/2016

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