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The Sustainable Energy Authority of Victoria has produced a chart showing the relative costs of the various cooling systems available for the home. The following chart shows both running cost per hour, and greenhouse gas emission caused by the operation of common cooling systems.
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Figures from the South Australian Department for Transport Energy and Infrastructure show that if a 100w standard light bulb is replaced with a 20w Compact Flurescent bulb, over its seven year life it will save the householder more than $150 in total costs. |
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With every salesman shouting the merits of radiant, or convection, or ceramic, or what ever other kind of heater they have to sell, it can be a nightmare trying to figure out which is the best to use, and the cheapest to run. However, if it has a power plug - working out the comparative running costs is easy...
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If you reduce the thermostat setting on your storage hot water service from 70 deg C to 60 deg C, you can reduce the standing losses in the system by up to 33%. |
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Give wasted power the brush off. |
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When your fridge pulls the heat out of your food and drinks, it has to put it somewhere. It goes out through the radiator on the back of the fridge, or at least it tries to... Most fridges radiators are covered with insulating dust and fluff! Gently use your vacuum cleaner's brush on the rear of your fridge once a year. Your fridge will reward you with better efficiency if you do! |
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Efficient use of Air Conditioners |
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Every extra degree on your reverse cycle air conditioner control, adds 10% to your running costs.
In summer, 27 degrees is best but don't go below 25, and in winter, aim for 18 degrees but don't go above 21.
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