If you're going to be in your current home for several years, you might consider taking the next step in serious automation. Adding energy-producing equipment that, if done completely, allows you to run a self-sustaining home, also known as being "off the grid." See Chicago Tribune: More folks amped up over going 'off-grid' for a story about what it's like. If you're serious, then the book Off The Grid is the latest word on alternative energy.