In case you want a Thermostat fully compatible with your heating and cooling system. The unrivaled capabilities of the carrier control represent highest degree of comfort management. So for sure Carrier brand is the right choice to come first. Carrier controls has been introduced with Infinity series, Performance series, comfort series, Comfort zone II series and Cor Wifi thermostat these controls has an awesome performance, an innovative technology and are energy efficient that help you save money on energy bills and are known as the heart of a smarter home.