Will this thermostat operate the home central air only. The heat is radiant with it’s own control for each room, so this thermostat will only be need for the A\C. Thanks

Thank you for your questions regarding the Sensi Lite Smart Thermostat. This thermostat is compatible with a cool only system, but a "C" wire is required in order to maintain WiFi connectivity. Without the "C" wire, the WiFi radio will be turned off in order to preserve battery life. You can find additional information about the "C" wire at http://support.sensicomfort.com/c-wire. Should you have any other questions or concerns, Sensi Technical Support is available for further assistance at support@sensicomfort.com. Thanks again for your time, and have a great day.