How changes in light producing electrical appliances like Bulb, CFL and LED have proven advantageous? Explain Briefly
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Explanation:
ELECTRICITY & FUEL
Appliances & Electronics
Estimating Energy Use
Reducing Electricity Use & Costs
Computers & Electronics
Kitchen Appliances
Laundry
Shopping for Appliances
Electric Meters
Buying & Making Electricity
Buying Clean Electricity
Planning Renewable Systems
Solar Electric Systems
Wind Electric Systems
Hybrid Wind & Solar
Microhydropower Systems
Lighting
Principles & Terms
Lumens & the Lighting Facts Label
Comparing Bulbs
LEDs
Fluorescent
Incandescent
Outdoor Solar
Replacing Bulbs
Turning Off Lights
Design
Controls
Daylighting
Lighting Standards
Vehicles & Fuels
Saving Money on Gas
Fuel Efficient & Alternative Fuel Vehicles
How Energy-Efficient Light Bulbs Compare with Traditional Incandescents
Home » Electricity & Fuel » Lighting » How Energy-Efficient Light Bulbs Compare with Traditional Incandescents
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.
Compared to traditional incandescents, energy-efficient lightbulbs such as halogen incandescents, compact fluorescent lamps (CFLs), and light emitting diodes (LEDs) have the following advantages:
Typically use about 25%-80% less energy than traditional incandescents, saving you money
Can last 3-25 times longer.
Today's energy-efficient bulbs are available in the wide range of colors and light levels you've come to expect. While the initial price of energy-efficient bulbs is typically higher than traditional incandescents, newer bulbs cost less to operate, saving you money over the life of the bulb. Many of the newer bulbs last significantly longer than traditional bulbs, so you won't need to replace them as often.
The table below compares a 60 watt (W) traditional incandescent with energy efficient bulbs that provide similar light levels.
Comparisons between Traditional Incandescents, Halogen Incandescents, CFLs, and LEDs
60W Traditional Incandescent
43W
Energy-Saving Incandescent
15W CFL
12W LED
60W Traditional 43W Halogen 60W Traditional 43W Halogen
Energy $ Saved (%)
–
~25%
~75%
~65%
~75%-80%
~72%
Annual Energy Cost*
$4.80
$3.50
$1.20
$1.00
Bulb Life
1000 hours
1000 to 3000 hours
10,000 hours
25,000 hours
*Based on 2 hrs/day of usage, an electricity rate of 11 cents per kilowatt-hour, shown in U.S. dollars.
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