 All right, Mr. Frank. Want to save hundreds on your electric bill? Well, we'll try to help you out. Coming up next for Mr. Electric. Well, get your calculator ready because we're going to show you how to add up some big savings on your power bill. First, switch to LED bulbs. That alone can save you up to $250. Install dimmer switches, check insulation, and repair cracks around windows. And use thermal curtains and door sweeps. That'll keep the outside weather out and the inside stuff in.