COPYRIGHT FOR WEIGHT LOSS - AN OVERVIEW

The present Ecobee set up employs the PEK since I believe there are only four or 5 wires going from the thermostat for the furnace but I can quite effortlessly add a lot more wires if needed to get two stages (thermostat is sort of straight over the furnace which happens to be within the unfinished basement). I would also be interested in your Ecob