Sources: Nest, MSNBC
quote: Because it's made by Apple Engineers and shiny
quote: I have a Lux thermostat.It can be set for the week and then Sat and Sun seperatly.It has 4 setting changes per day.And it will do this all for the low price of - $20!
quote: It tells the homeowner what the current temperature of that zone is, and how long it will take to reach a desired temperature so that the user doesn't constantly tweak it in order to reach that temperature faster and end up overcompensating .
quote: Nest also has two types of proximity sensors. One sensor activates the screen as you near it, which saves internal battery power when you're not directly in front of it. The other identifies your occasional presence in the room, which allows it to detect when you're at home or away. It will automatically adjust its settings when you're away to save energy.