The CôrTM thermostat is simply the biggest idea in home energy management since, well, ever. Its built-in Wi-Fi® connectivity lets you control your home comfort from across the room or across the country. But convenience is only part of the story. In addition to average homeowner savings of 20% on heating and cooling energy costs,* the Côr thermostat also monitors your energy usage and turns it into easy-to-read reports you can use to save even more money. Best of all, with the Côr thermostat you get over 100 years of home comfort expertise from the people who invented modern air conditioning.