Low Energy Long Life CFL Light Bulbs Globe Style- Bayonet Cap and Edison Screwed Cap

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Economy in compact form

They give out excellent light, save energy and look great. A hat-trick of benefits from compact fluorescent lamps. They consume much less electricity than conventional incandescent lamps, they last much longer and they can be used in place of almost any ordinary light bulb because they are so compact.

To see how bright they can be, fit an 23W lamp into a luminaire designed to take a maximum of 60W. It will give out as much light as a 120W incandescent lamp. That’s twice as bright.

And as for their economy, they’ll last up to 15 times as long as an ordinary light bulb and consume around 80% less electricity for the same amount of light. Every lamp will save you many times what it costs.

Our compact fluorescent lamps are also good for the environment.
An 20W, for example, will save up to 1200kWh of electricity compared with an ordinary light bulb.

Compact fluorescent lamps are the bright economical alternative to ordinary light bulbs. They reduce electricity costs by up to 80% compared with incandescent bulbs of the same bright-ness and last up to 15 times as long.

Big on economy, small in size and consumption

Compact tubular lamps

These lamps with their high lumen levels are only half as long as their tubular counterparts yet offer approximately the same luminous flux, giving lighting designers the freedom to produce compact light fittings that fit perfectly in modern suspended ceilings.

Low-Energy Lighting - how to save with CFLs

What are Compact Fluorescent Lamps (CFLs)?
Compact Fluorescent Lamps (CFLs) are a modern type of light bulb that will fit into a standard light fitting, usually a bayonet fitting in the UK, but CFLs are also available with Edison screw fittings. Most CFLs either consist of a number of short glass sticks, or two or three small tubular loops. Sometimes, these are enclosed in a glass bowl or made to look like a traditional bulb. There are also some older CFLs that look light a clear or white glass jam-jar and are much heavier, but these are less efficient and are not recommended. CFLs work in much the same way as a fluorescent strip light: the inside is coated with a phosphor that gives off the light and there is an electronic ballast to start the lamp operating.
CFLs are often called low energy lamps because they use less energy than the traditional tungsten filament bulbs that they replace. As they plug in directly to the normal light fittings they work off the UK's standard 230V supply and should not be confused with low-voltage lamps which do not offer significant energy or cost savings.

What wattage CFL should I buy?
Compact Fluorescent Lamps are sold by the wattage, in much the same way as normal bulbs. However because they use a lot less energy, a lower wattage bulb will be needed to give out the same amount of light. The table below gives the approximate equivalents that can be used:

Ordinary Bulbs	CFLs
40W	7 - 10W
60W	15 -18W
100W	20 - 25W
150W	32W

So how do the CFLs save money?
Although CFLs cost more to buy, they save money because they use less electricity.
Chart of energy savings for CFLs

On the chart above, the blue line represents the running costs of an ordinary 100W light bulb. Every thousand hours or so it will burn out and need replacing as a cost of about 50p, but most of the expense of this bulb is in the energy.
The red line shows the cost of owning a 21W Compact Fluorescent Lamp. Although it costs about £5 to buy initially, after about 900 hours of use the electricity savings have offset the extra purchase cost. As the CFL will typically last for a total of 8,000 hours, the savings over its lifetime could reach £35!
Compact Fluorescent Lamps are best used in areas with a fairly high usage. If a light is used for an average of 3 hours per day over the year (perhaps 1 hour in mid-summer and 5 hours in winter), then it would pay for itself in less than a year. On the other hand if it was only used for an hour a day on average, it would take 2½ years to recover the initial cost.
We also advise people to use well known brands of CFLs from a reputable store. There were some cheaper lamps, often made in the Far East, that lasted less long. Although it was still possible to make some savings with these bulbs, they often proved to be a false economy.

Should I leave CFLs on when I leave a room to keep saving money?
No! There used to be a general belief that because fluorescent strip lights used more power in their warm-up phase, then it was better to leave them on all the time. This was never true - an old style strip light (or non-electronic CFL) only uses as much energy in the warm-up phase as it does whilst operating for a minute or so, and modern electronic ballast CFLs use even less energy at the start. Although CFLs do not use much electricity it is still best to keep them switched off when not wanted - why throw money away on anything that not needed?

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