The Learning Thermostat from Nest
The new Nest thermostat is a a device that learns and programs itself to save energy used in the home based around temperatures set by the user, then creates a schedule to match your needs and energy requirements. The thermostat device powers down when you are not home to save energy.
You can control the device when you are not home via an app and set the device to active so the house is nice and warm for you when you are coming home early or alter the schedule when your coming back late.
How water systems can also be controlled and even adjusted to give you a boost of hot water whenever you need it as well, and many other types of heating systems are compatible with the Nest thermostat.
Also the ring around the device comes in 4 different colour finishes; stainless steel, copper, black and white to match most styles of a contemporary home.