How to understand this table look at the lumens brightness in the far left column then compare how many watts of power each light bulb type requires to produce that level of brightness.
20w fluorescent bulb equivalent led.
Wattage to brightness comparison.
Incandescent bulbs and cfl bulbs are more easily broken than leds which increases their cost of use.
Some of the most energy to light efficient led bulbs are now reaching over 120 lumens in energy star tests.
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Led bulbs require much less wattage than cfl or incandescent light bulbs which is why leds are more energy efficient and longer lasting than their competitors.
Pick from led a style light bulbs led reflector light bulbs led globe light bulbs led decorative light bulbs led miniature light bulbs led filament bulbs led mr light bulbs and led sign indicator light bulbs.
Led light bulbs take energy efficiency to another level using around 40 less energy than cfl equivalents.
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Some cfl and led bulbs will put their wattage equivalents on the box while many don t so this chart should help give you a good idea of how bright your new bulb is going to be.
While the math for the cfl bulbs is simple the led bulbs are even more energy efficient and durable than compact fluorescent light bulbs.
A 40 watt incandescent filament bulb produces roughly 460 lumens.
Any defective led bulb will usually fail within this time.
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Cfl light bulb wattage led equivalent wattage 20 watt 12 watt 15 watt 9 watt 9 watt 5 5 watt 5 watt 3 watt led equivalents to fluorescent tube lights led tube lights use between 40 and 50 less energy than fluorescent tube lights which is of course comparable to cfls that utilise the same technology.
Bulb breakage and bulb replacement costs have not been factored into this comparison chart.
An equivalent compact fluorescents cfl bulb in light output lumens should consume only around 7 watts and leds approximately 6 watts.