How many zones does Wiser support? Follow 16 zones heating zones (plus one hot water), with up to 5 devices in each, up to a maximum of 63 devices. Related articles Can I create a separate heating zone for my annexe? If all of my radiators have Wiser Radiator Thermostats, do I need the Room Thermostat? How many channels does Wiser have? Does Wiser Home have weather compensation? Router compatibility with Wiser Comments 0 comments Please sign in to leave a comment.