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You may not have heard of Haitz’s Law. It’s really more of an observation. It says that every decade, starting with 1970, LEDs have cost 90% less per watt while getting 20% brighter. At some point, that’s bound to stop. But for now, it means LED lighting gets more attractive in terms of cost and energy-efficiency as time goes on.
The big push today is LED “bulbs” (screw-in replacements for incandescents). Unlike CFL lamps, LED lamps contain no mercury. But LED “bulbs” aren’t a straight resistive load (as are incandescents).
What’s basically wrong with CFLs is that they are a compromise of an otherwise good technology (fluorescent). Take a look at the ballast for a 4-foot fluorescent fixture. To fit that functionality into a package small enough to install in a traditional screw-in “light bulb” base, something must give. Good power factor is among the casualties.
LEDs share this compromise dynamic. They require switching power supplies to convert AC to DC – like most components inside your computer, they are solid state and use those “computer voltages.” What gets left out to fit the basic power supply into a tiny “light bulb” base package?
Rather than think in terms of screw-in replacements, think in terms of installing an entire lighting system. That way, you get the efficiency, aesthetics, and other advantages that the technology permits. To get this across to your potential customers, have some mockups ready so they can see the difference.
Source: Mark Lamendola | Mindconnection