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LEDs are pretty energy efficient, but the power density is pretty low. If you need high power, incandescent or halogen is the only way to go. In general, this means you need more LED bulbs for household applications, and it's very likely new lamps supporting more bulbs are required. LEDs with more accurate color tend to have less power and be less energy efficient than other LEDs.
== Light Output ==
How many lumens do you need? My incandescent lights have the following specs:
