How large is the installed base? It appears to be small for smart thermostats and even smaller for Nest. http://thinkprogress.org/climate/2013/11/02/2877211/sm

How large is the installed base? It appears to be small for smart thermostats and even smaller for Nest. http://thinkprogress.org/climate/2013/11/02/2877211/smart-thermostats-poised-major-market-growth/ http://thinkprogress.org/climate/2013/11/02/2877211/smart-th...