Just a few years ago, the term "home automation" meant a bunch of blinking lights and a headache. But thanks to simpler interfaces and the rise of smartphones, new tech can transform your house into a safer, more comfortable, less wasteful place. Launch Gallery >>
Nest Learning Thermostat
Programmable thermostats can reduce a home's energy expenditure by 10 percent. The next wave of smart thermostats has arrived, and they do the programming for you.
Leading the group is the Nest, which "learns" when you're at home, remembers your temperature habits, and adjusts itself automatically, dialing the temperature up (or down, if it's summer) when it senses you're not around. It's also controllable remotely. [$250; nest.com]