The average home spends more than $2,200 per year on energy bills and roughly half of this amount goes towards heating and cooling, according to the Department of Energy. When a programmable thermostat is set and used properly, a homeowner can save about $180 annually. But the problem is, virtually everyone with a programmable thermostat doesn’t set or use it properly. Nest Labs , a Palo Alto-based start-up, aims to solve this problem with a new thermostat that’s simple, sleek, intuitive, and smart. Tony Fadell, a former Apple executive and founder of Nest Labs, said, “ We’ve built the world’s first learning thermostat — a thermostat for the iPhone generation, ” according to the New York Times . It’s called Nest, and it’s going to be sold for $250. Nest learns by remembering temperature adjustments entered over time. It creates a custom schedule from adjustments or can be manually programmed for seven days with 20 set points per day. Nest shows a leaf when you’re saving energy and displays the time it will take to arrive at a certain temperature. Nest also has an auto-away mode and can be adjusted remotely through a laptop or mobile phone