The house relies heavily on sensors and automated systems to trim energy use. When direct sunlight strikes the windows, shades lower automatically, although the resident can choose to raise them again.
A smart thermostat from Lennox learns the resident’s habits and, when synced with a smartphone, automatically turns down the air conditioning when the resident leaves the house. The thermostat can also tell when the resident, and his phone, is approaching the home at the end of the day and turn up the AC accordingly.
Read more: http://www.sfgate.com/business/article/New-Bay-Area-homes-are-part-of-California-s-8258069.php