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How much energy can be saved by replacing a 75 watt incandescent with a 18 watt fluorescent?
Wiki User
∙ 14y ago
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.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoConsiderations 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.
Wiki User
∙ 10y agoOver 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.
Wiki User
∙ 9y agoThere are many different kinds of compact fluorescent bulbs. This will make the price vary. The average cost of these bulbs are about two dollars.
Wiki User
∙ 14y agoYou can save 57 watts.
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What kind of energy might be saved up for future use?
potential energy
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How are CFL light bulbs better than regular light bulbs?
A CFL uses 65% less energy and can reduce your power bill as well.A longer answerSince major improvements in the design of Compact Fluorescent Lamps (CFLs) from 1990 onwards, by using a CFL light bulb 80% energy of the energy can be saved compared to the energy that is needed to produce a given amount of artificial light using conventional incandescent filament bulbs.In other words, to produce the same amount of visible light, a modern CFL uses only 1/5 (one fifth) of the power that an incandescent filament bulb uses.For example, a 20 watt CFL bulb produces similar light to a 100 watt incandescent filament bulb and a 30 watt CFL matches the light output of a 150 watt incandescent filament bulb.CFLs also have a much longer useful life-span, thus avoiding the need to change them as often as incandescent light bulbs.Another opinionThere are issues with the additional power used to manufacture CFL bulbs and the toxic chemicals inside these units.But, whilst they certainly do save energy for the end user, their drawbacks are that they probably use more energy overall and their manufacture causes more pollution.
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Is cheap window replacement a good first upgrade for my home?
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