Three months ago, my wife and I decided to switch to all led light bulbs. The first month we saw a drop in our electricity bill, but it wasn’t an impressive one so we began to doubt this move. The second electric bill we received though, the first one where we had used strictly LED bulbs for one month, was much lower. We felt much better about the investment we had made. Now I’m trying to convince my boss to do the same. I may have to bring him copies of these bills though before he will. Then he’ll see it’s worth it.