LED retrofit teardown

Moving from incandescence lighting to LED is definitely a good idea, at least from an energy point of view. It may look daunting complicated (and...
Moving from incandescence lighting to LED is definitely a good idea, at least from an energy point of view. It may look daunting complicated (and expensive) to change an existing home lighting installation to a genuine LED system. But there are retrofit solutions for every standard you can imagine. Pull the old incandescence or halogen lamp out, push the LED retrofit in and you are done - energy cost cut by 70% or so. Is it so? Well, regarding energy consumption of the LED lamp - yes. But what's about the overall benefit? We may calculate this in terms of...