How to Choose LED Light Bulbs: Efficiency, Power Factor, Color Temperature, and Everything Else

These days, it’s all about energy efficiency.

In some countries, you can hardly even buy normal incandescent light bulbs any more. You are left with a choice of slightly more efficient “a bulb inside a bulb” halogen options, or compact fluorescent light (CFL) bulbs.

Well, there are some problems with CFL bulbs, as we shall see.

Now, LED bulbs have made their big debut on the scene. They use even less power than CFLs, and supposedly they are better for the environment and all that jazz.

In some ways, this is true – but at a cost unless you are careful about which LED bulbs you pick.

And, since LED bulbs are so darn expensive, you need to choose wisely. Here’s how…

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