How many contractors does it take to screw in an LED bulb? Well, just one, but only after a bit of head scratching. While new technology has made every aspect of our lives richer and more efficient, it has complicated simple things like choosing and changing a light bulb. Shopping for LED bulbs is like shopping for a smart phone — it can make you feel stupid, because there are so many choices and a lot of what you thought you knew about light bulbs doesn't apply to LEDs. In what follows, we'll look at the key concepts you need to learn to help your clients make the right decision.

Incandescent bulbs are fairly consistent. Despite differences in bulb shape and base, almost all incandescent bulbs of a particular wattage deliver the same quantity of light. And although manufacturers have introduced frosted and colored glass to create special effects, the quality of incandescent light is fairly reliable as well. With...

or Register to read the full article.