bob haller wrote:
Has anyone ever seen a heat / AC thermost where you set the

temperature you want for heat or cool, and the thermosts automatically

switches between heat and cool depening oon outdoor temperature?

I have some elderly friends who are having a tough time....

I think the ultimate solution will be assisted living but they are fighting that.

There is some commentary here about auto change over thermostats:
http://preview.tinyurl.com/kj5bso3