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How much can compact fluorescent light bulbs reduce lighting energy?
Wiki User
∙ 11y ago
Incandescent bulbs waste energy by using more power that other types of bulb.
An incandescent produces about 10 lumens of light per watt of electric power.
A halogen produces about 13 lumens/watt
A compact fluorescent (CFL) produces about 50 lumens/watt.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoRead the package on the bulb. Look for the LUMENS then the WATTS. Dividing the LUMENS by WATTS will give you the LUMENS per WATT of the bulb. Then compare this value with all the other kinds of bulbs, both the incandescent and the halogen types.
Also consider the time the bulb will spend 'on' - short cycles will reduce the life expectancy of fluorescent lights considerably.
Finally consider that fluorescent lights contain Mercury which is poisonous.
Another opinion
Saying that the mercury in mercury lamps is dangerous is an urban myth which comes from the old styles of mercury discharge lamps and fluorescent tubes used over fifty years ago, which did indeed contain about a gram of liquid mercury!
While in use such a lamp was not dangerous at all, but if the glass tube or bulb got broken the "blob" of mercury could certainly be dangerous to human health if anyone picked it up with their bare fingers or swallowed it to see what how it tasted.
Mercury is the only example we have on Earth of a metal that is in its liquid state at room temperature. It was such a "curiousity" that several people did get ill - and may have died - from poisoning by mercury, but not much of it would have came from old fashioned "mercury lamps"!
That said, anyone who advises you that "fluorescent lights contain mercury which is poisonous" about today's fluorescent lamps is making a very misleading statement which could be intended just to frighten people.
No matter whether they are the "compact" or the "long tube" types, modern fluorescent lamps contain only an extremely tiny amount of a special mercury amalgam so that, whilst a modern lamp is in use, there is absolutely no danger to anyone.
However, if such a lamp gets broken, then care must be taken to sweep up all the fragments carefully and dispose of them sensibly in something strong enough not to be cut by the broken glass, such as an old corrugated cardboard box or similar bound around with gaffer tape to stop it from being opened easily.
Today, the main danger to people is the risk of getting cuts from the shards of glass, not from mercury poisoning!
The answers to the Related Questions shown below give a lot more information about how compact fluorescent lamps work and about the very good savings you will achieve in the cost of electricity if you use them instead of normal incandescent lamps.
Wiki User
∙ 9y agoThe power in watts should be marked on the bulb. If a bulb is 20 watts, it will use 20 kilowatt hours in 1000 hours of being switched on.
Wiki User
∙ 10y agoEnergy saving light bulbs use less electricity than regular light bulbs. An energy saving light bulb uses between 2 and 17 watts of electricity.
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What is the difference between a green building and an ordinary building?
A green building uses as many methods as possible to reduce the use of carbon-based energy. It would contain the highly efficient lighting elements (compact), possibly there would be alternate energy sources like solar units or wind driven units on the building or nearby. Energy efficient design would be built in to a new building, etc.
What is the difference between a filament bulb and energy saver bulbs?
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He thought the us was too dependent on foriegn oil
How could LED lighting reduce our demand for electrical power?
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One thing you can do is to reduce waste by recycling and buying items that use efficient packaging. You can also reduce your energy consumption by replacing your light bulbs with compact fluorescent bulbs and buying energ-efficient appliances. Drive less, if possible, or combine trips to save on fuel.
Is ET2 lighting good for energy savers?
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Myths and Facts About Fluorescent Lights?
Fluorescent lights are an excellent choice for home, office, and school environments because they offer many benefits. Still, some myths persist that cause consumers to question the use of fluorescent bulbs. Here are the facts about this type of lighting. Myth: Fluorescent lights flicker, causing eye strain and even headaches. Fact: It used to be true that fluorescent lights had an annoying flicker, accompanied by a slight buzzing noise. Improved technology has eliminated these drawbacks. New fluorescent bulbs use an electronic ballast that produces a steady, silent light. Myth: Fluorescents are more energy-efficient than incandescent bulbs, but less efficient than halogen lighting. Fact: Compact fluorescent lights are almost three times more efficient than halogen bulbs (and more than ten times as efficient as incandescent bulbs). Moreover, fluorescent lighting doesn't consume any power when it is switched off. Halogen bulbs, in contrast, utilize transformers that can continue to consume power even when the light is turned off. Myth: Fluorescents are bad for the environment because they contain mercury. Fact: Fluorescent bulbs do contain a small bit of mercury, which means that they must be discarded in a responsible manner. However, not using fluorescent lights will result in even more mercury being released into the environment. This is because other forms of lighting consume more electricity, which is generated at this time mostly through the burning of fossil fuels. This produces power plant emissions containing mercury. The best way to reduce mercury in the environment is to burn fewer fossil fuels by using fluorescent lighting wherever possible. Myth: Fluorescent light bulbs won't fit inside certain light fixtures, such as the ceiling globes used in many factory-built homes. Fact: Again, this used to be the case, but the advent of the compact fluorescent light bulb changed everything. Today's fluorescent bulbs are smaller than a standard incandescent bulb and will fit in any lighting fixture designed for incandescent bulbs. Myth: You can't use fluorescent bulbs with dimmer switches. Fact: You can use dimmer switches that have set levels such as bright, brighter, and brightest -- as long as they are wired for fluorescent bulbs. However, continuous dimmer switches are still not used with fluorescents.
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How many billion watts of electricity can be saved by switching to compact fluorescent lights?
The average consumption in US homes is stated as 1.5 kw. Now how much of this is used on lighting? I would think probably 500 watts per house on average. By using energy saving lights you cut consumption to 1/5, so this would reduce to 100 watts per house, or a saving of 400 watts per house. If there are 100 million houses in the US, you would save 40,000 megawatts. This is only for domestic use, there would be more to be gained from offices, factories and so on. From figures in Wikipedia the average generation in the US for 2006 was 463,000 MW, and if 100,000 of this is for lighting then you could save up to 80,000 MW (assuming it is all non-energy saving at present). So I should think the result is somewhere in the region 40,000 to 80,000 MW.
Which action will most reduce the use of non-renewable energy resources in a school district?
penis
Why is builder software very handy?
Builder software is designed to check the performance of energy consumption, lighting, comfort and carbon generation for a building. Builder software is useful because it can identify problem areas, reduce costs and reduce carbon emissions.
You can reduce your fossil fuels by developing?
You can reduce the usage of fossil fuels by developing alternative energies. Some options are solar energy, wind energy, hydraulic energy, geothermal energy, and several others more. While some progress has been made, a lot has to be done yet - we depend way too much on fossil fuels. Another thing that should be done is to reduce energy usage in general. For a start, see if you have the old-fashioned incandescent bulbs, and change them for energy-saving fluorescent bulbs. That way you not only do the planet a favor, but you also do a favor to your budget, since you do pay for the energy the light bulbs consume.
