The old dial thermostat in the hallway clicks on, the baseboard glows, and the room swings from chilly to stuffy. You search for a smart replacement, find a Google Nest or ecobee, and assume the swap will be easy. That is the common misconception: a smart thermostat is not automatically compatible with every heating system. …

Smart Thermostat Line Voltage: 7 Checks Before You BuyRead More