1 day Sale. Home Depot has a Nest Thermostat E Sale for $149.00, Free Shipping. Save $30. While supplies last. Some say it is better than the original. $168 at amazon.

• Subtle, frosted display that blends into your environment
• Learns your heating and cooling schedule
• Control remotely with the Nest App

Save energy and make your home more comfortable. The advanced Learning Thermostat from the maker of the iPod. The Nest Learning Thermostat learns your schedule to keep you heated, it can be controlled over Wi-Fi by a smartphone or laptop. Installation takes 30 minutes.

EasyEcoBlog has an article about the Nest and other programmable thermostats. More Nest info