Not only can the Lyric thermostat from Honeywell adjust the temperature for you when you're on your way home, you can also control it from your smart phone.

Learn more via Honeywell, or read up at Fast Company...
 
3 Ways The Lyric Thermostat Makes The Smart Home Brilliant

"...the Lyric is giving us a taste of just how deeply the next wave of 'smart home' appliances will integrate with our lives--and how little they will ask of us, the users..."  [read more]