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Always turn off the lights when not in use
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Use natural daylight as much as possible
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Make sure all doors are closed tightly
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Don't leave doors open longer than it takes to get in or out
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Use the automatic setting on your thermostat
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Use alternative sources of heat some of the time
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Wear warm clothes and you can keep the thermostat lower
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Don't open the refrigerator door more than you need to
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Read books instead of watching TV or playing electronic games
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Don't leave computers, televisions or other appliances on when not in use
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Don't put furniture or large objects such as toys in front of radiators
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Cover the bottom of doors where air comes in with a rug or door guard