Setting up a smart thermostat without regrets
A thermostat is the one connected device I was nervous about, because when it goes wrong the whole house is cold and everyone knows who installed it. I read a long walkthrough on Next Home Gadget before touching anything, and that saved me from the worst mistake, the one about wiring.
Compatibility first, and I mean the boring version. My boiler has two wires and no third one, so the clever...