I looked at the wiring for the previous generation and at the very least it wired up to such systems. I'm fairly sure it works with them - and, in spite of all

I looked at the wiring for the previous generation and at the very least it wired up to such systems. I'm fairly sure it works with them - and, in spite of all the pretty pictures, the site ( http://www.nest.com/ http://www.nest.com/ ) is quite informative.