I had the Ecobee internet enabled smart thermostat installed over the weekend and so far I'm very impressed. The full blog on my initial thoughts will be following tomorrow. I just wanted to release a teaser video. All I'm trying to show is how the Ecobee thermostat can be controlled over the internet. In this case I used my iPhone with its built in web browser over 3G network (not with the Ecobee iPhone App which is still in development).
Just imagine if I was across the country with my iPhone instead of right next to the thermostat...
Sorry for the poor quality, but you will get the idea.
***Update - 9/15/09 - I have the Ecobee Installation review up!