At home

Lowering heating costs

Tips to make your heating system even more efficient, and keep your power bills low:

  • Buy a unit with a thermostat and programmable timer, so you don’t have to run the heater continuously.
  • Don’t overheat your house. Set the thermostat to between 18°C and 21°C. For every one degree Celsius increase in temperature, your energy bill could go by up by 10 per cent.
  • In winter, reverse the direction of your ceiling fans to push warm air down from the ceilings back into the rooms.
  • Install a heat-shifter. This is a simple, ducted system that uses a fan to move warm air. For example, heated air that has collected in an upstairs area can be ducted down to the ground floor, and residual heat from a living area can be transferred to bedrooms at night.
  • Keep your home well insulated and draught-proofed; a huge amount of warm air is lost through cracks and gaps.
  • Unless your windows face north and let in warmth from the winter sun, draw blinds and curtains to keep heat in. Up to 30 per cent of total heat loss from a home occurs through uncovered windows. Leaving curtains open can increase your heating bill by up to $80 per quarter for the average home.
  • Turn off pilot lights (if fitted) over summer.
  • Maintain your heating system according to the manufacturer's instructions.


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Page last updated: 10 December 2015