LED lighting, a worthwhile choice

LED bulbs not only typically use 85% less power than incandescent bulbs, they have a service life of at least 25,000 hours, or 3 hours a day for 23 years. They have many other advantages, as well: they turn on instantly, can be adjusted with compatible dimmers and come with a minimum three-year warranty, not to mention they provide excellent color rendering and give off very little heat. With all the options available, it can be hard to figure them all out. Here are a few tips that will help you understand all the information on packaging and make energy-wise choices.

Power use

Choose the right strength bulb

The electricity used by a lightbulb is measured in watts (W). An LED bulb has a much lower wattage — between 7 W and 110 W — than a conventional bulb, which might use 40 W or 60 W.

Type of bulb

Choose the right shape for your fixture

The familiar shape of standard lightbulbs is called A19, so look for this code on the packaging of an LED bulb when replacing an old A19 bulb. But other types of bulbs, such as G (globe), GU10 (pin-base reflector) or PAR20 (screw-base reflector) are also commonly used in light fixtures.


Check the lumens

The amount of light emitted by a lamp in all directions is measured in lumens. The more lumens, the brighter the light. LED bulbs use less energy than conventional bulbs to produce the same amount of light.

Find out more about the light output of different types of bulbs