The Lux TX9600TS is a basic thermostat that delivers excellent performance on the thing that matters most in modern digital thermostats – it turns your heating and cooling system, such as an HVAC, on and off at the right time and to the right temperature. Many people may find it too basic for their tech-savvy needs, but most of its buyers are highly satisfied with its overall performance. It’s no wonder that it still finds its way into many lists of the best smart thermostats!