The Sylvania 14W A19 75W LED Dimmable is part of the Lightbulb test program at Consumer Reports. In our lab tests, Lightbulb models like the 14W A19 75W LED Dimmable are rated on multiple criteria, such as those listed below.
Claimed life: Claimed life is how many years the manufacturer says the bulb will last based on 3 hours of use per day.
Brightness: Brightness indicates the brightness (lumens) of each bulb after 3,000 hours of life testing, as compared with the brightness of a comparable incandescent.
Efficiency: Efficiency is the energy, in watt-hours, required to emit a gallon of water into the air.
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