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Turn off the lights. Though obvious and repeated ad nauseam, this tip saves
more energy than most of the others.
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Keep them clean. Keep fixtures, bulbs, and tubes clean and in working order.
Dirt can absorb as much as 50% of the light emitted by a bulb.
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Don't over light. Though you need more light where you read or work,
lighting levels can be comfortably reduced in other areas of your home. Switch
to lower wattages whenever possible to save energy. If your lighting needs in
a room vary, use dimmers for more control over your lighting and energy usage.
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Use the right bulb. Save energy by choosing bulbs that give the most light
(or lumens) for the electricity or watts they use. The most energy-efficient
bulb or lamp produces the most lumens per watt. Compact fluorescent bulbs use
75% less energy than typical incandescent bulbs. Reflector bulbs provide more
directional light and can last twice as long as regular incandescent bulbs.
High-pressure sodium lamps are efficient and have a long life.
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One bulb is better than two. One 100-watt bulb produces more light than two
60-watt bulbs and uses less power.
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Lighting controls. When your away don't leave the lights on, get a timer.
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