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OVer time you will eventually save money off of your electric bill because the CFL uses less energy. So you can save a lot of money Depends on the wattage of the incandescent compared with the wattage of the CF that replaces it. In the UK, replacing a 100 watt bulb with a 20 watt bulb might save 10 pence in 12 hours running.

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14y ago
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14y ago

Considerations to include are reduced power consumption, less light replacements and less maintenance.

An Example:

Old light 60 watts, new light 15 watts

Old light cost $1, new light cost $4

Old light life 1000 hours, new light life 10000 hours

Cost of power $0.18 / kWh

If the light is used 3 hours a day, 7 days a week then the total savings is about

$9 per year.

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11y ago

Over the course of a year the money saved when switching from an incandescent bulb to a fluorescent bulb is approximately $18.00 if it is used an average of five hours per day. An even greater savings can be had by using lower wattage bulbs that provide the same amount of light while using less energy.

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9y ago

There are many different kinds of compact fluorescent bulbs. This will make the price vary. The average cost of these bulbs are about two dollars.

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14y ago

You can save 57 watts.

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Q: How much energy can be saved by replacing a 75 watt incandescent with a 18 watt fluorescent?
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