| 3 Types of Lamps
 But what about fluorescent lamps? If incandescent lamps have the advantage of producing a softer, more flattering light, why would anyone use fluorescents?
These lamps have three important advantages over other lamps. First, they produce cool light —they don't produce heat. Second, they are long-lasting, burning for up to ten times as long as incandescent lamps. Third, they are much more cost-effective because they produce three to four times as much light for each unit of electricity.
The disadvantage to fluorescent lamps is that they produce a light with a green-blue cast that is unflattering and harsh.
While some fluorescent lamps are made with coloration that is designed to soften and warm the tones produced, most interior designers avoid these types of lamps because the light they emit is never as soft and natural as that emitted from incandescent lamps. Fluorescent lamps are preferred for commercial use, where their long life, cool operation, low operating cost, and high efficiency are important, such as in large offices, stores, or apartment building hallways.
What does all this mean to you? It means that in most residential rooms you should opt for the warm, natural look of incandescent lamps. Use incandescent lamps in living rooms, dining rooms, dens and bedrooms. 
Where might you use fluorescent lamps in the home? At one time, because of their narrow shape, fluorescent lamps were the only logical candidates for strip lighting — the hidden lighting that you would place under a shelf where you need particularly strong, focused light. As such, they became standard for lighting kitchen work surfaces, being suspended under upper kitchen cabinets, and they are still frequently used for this purpose.
Because of their bright light, even illumination and low operating costs, fluorescent lamps are also frequently used in rooms that require a lot of even lighting and where mood isn't quite so important, such as workshops, garages, and laundry rooms. Even so, you can see that most of the lamps you'll be using in residential design will be incandescent.
For the most part, fluorescent lamps are used in work places, whether at home, in an office, or in another work situation. The light they produce is harsh, but that also means that it's perfect for when you need to see details clearly, such as when you're performing open-heart surgery, or doing needlepoint, or making sushi.
Fluorescent lights have gotten a bad rap — for quite some time they were not favored because their very rapid flickering was blamed for tiring the eyes and other problems.
But today, there are updated fluorescent lamps from which you can choose, some of which even fit into a regular fixture, just like an incandescent bulb. These are designed to have a long life, and can last up to eight years.
According to the U.S. Department of Energy, people are using incandescent and fluorescent lamps about the way you'd expect: Of residential households, 98 percent use incandescent, 42 percent use fluorescent. Of commercial buildings, 59 percent use incandescent, 92 percent use fluorescent. Because fluorescent lights consume approximately 75-85 percent less electricity than incandescent lights, you can see why it's important to consider using these for places where a great deal of light is needed much of the time, such as in hospitals, offices, and other workplaces.
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