“A heat pump thermostat is designed to have multiple options for heating your home,” Sherman says. “These are often referred to as ‘two heat, one cool’ thermostats, or similar verbiage.” Because heat ...

Carrier's connected Cor thermostat does a good job of ... and requires a C, or common wire, to get ... so if you don't have a C wire running from your furnace to your thermostat, you'll ...