Cool and interesting FUN facts about LED Lighting that everyone should know.
1 Only 10% of energy in a light bulb is used to create light. Ninety percent of a light bulb’s energy creates heat. LED on the other hand, use about 80% less electricity than conventional bulbs and last up to 12 times as long.
2 Bulb shape is not just a question of liking the look of a bulb: it is about how it throws light. The design of the bulb determines what direction the light goes, so you need to consider what you want the bulb to do.
For a ceiling pendant you might want an 'omnidirectional' bulb like the arbitrary, stick or spiral shape. For a lamp, you might need a candle shape with a broad spread.
3 From 2008 to 2030, world energy consumption is expected to increase more than 55%.
4 The temperature of light can be measured in terms of 'kelvin'. Very orange light has a low number of kelvin - for example, a candle is about 1,500K. Daylight is much colder, often above 5,000K.
In a kitchen, bathroom or other situations you may prefer a slightly less yellow light, sometimes called a natural white (3,000K). You may want to try cool white (4,000K). Or for a very specific style, something nearer 5,000K. Anything above that starts to get a little blue.
5 Google accounts for roughly 0.013% of the world’s energy use. It uses enough energy to continuously power 200,000 homes.
6 In most cases, the one - year running cost of an incandescent bulb you use regularly (>two hours a day) is greater than any drop in LED prices we are likely to see.
7 Approximately 30% of energy used in buildings is used inefficiently or unnecessarily.
8 Light your home using the same amount of light for less money. By replacing your home's five most frequently used light fixtures or bulbs with models that have earned the ENERGY STAR, you can save $75 each year.
9 American hospitals are some of the most energy-intense buildings on the planet.
10 The energy-saving incandescent bulbs use about 25% less energy than traditional varieties. To save even more, choose CFLs and LEDs, which offer many choices that typically use 75% less energy.
11 In the average home, 75% of the electricity used to power home electronics is consumed while the products are turned off.
12 Compact fluorescent lamps (CFLs) are simply curly versions of the long tube fluorescent lights you may already have in a kitchen or garage. Because they use less electricity than traditional incandescents, typical CFLs can pay for themselves in less than nine months, and then start saving you money each month.
13 One ceiling fixture can use $2,000 to $5,000 of electricity over its useful life.
14 An ENERGY STAR-qualified CFL uses about one-fourth the energy and lasts ten times longer than a comparable traditional incandescent bulb that puts out the same amount of light.
15 A CFL uses about one-third the energy of a halogen incandescent.
16 Fluorescent bulbs contain a small amount of mercury, and they should always be recycled at the end of their lifespan. Many retailers recycle CFLs for free.
17 ENERGY STAR-qualified LEDs use only 20%–25% of the energy and last up to 25 times longer than the traditional incandescent bulbs they replace.
18 LEDs use 20%–30% of the energy and last 8 to 25 times longer than halogen incandescents.
19 LEDs are more expensive at this early stage, they still save money because they last a long time and have very low energy use.
20 The electricity used over the lifetime of a single incandescent bulb costs 5 to 10 times the original purchase price of the bulb itself.
21 Compared to traditional incandescents, energy-efficient lightbulbs such as halogen incandescents, Light Emitting Diodes (LEDs) have the following advantages:
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