incandescent to fluroscent

The incandescent bulb is an energy hog. Just 5 percent of the electricity it uses goes to light the bulb; the other 95 percent is heat. Improving light output and lowering heat output would reduce demand for electricity from coal-fired power plants, which emit carbon dioxide. CO2 is the single largest contributor to global warming.
The purchase price of a CFL is higher than that of an incandescent lamp of the same luminous output, but this cost is recovered in energy savings and replacement costs over the bulb's lifetime
so next time when you purchase a bulb opt for incandescent
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