I think this will work to control both a window ac unit (summer) & my console type humidifier (winter)http://www.drillspot.com/products/49344 ... er_Control
I'll mount it on the wall & then run a heavy gauge ac line to the units. I can't imagine why it wouldn't do what I'm looking for??
(I'll just set the ac unit at it's lowest temp & the humidifier at it's maximum level to bypass their internal controls)