Lennox S40 Smart Thermostat

  • The Lennox Smart Thermostat App allows you to self-monitor and adjust temperatures from anywhere (available via the App Store and Google Play).
  • The S40 Smart Thermostat can easily link to your other Lennox comfort products to help create the highest levels of comfort and efficiency.
  • Smart Away™ - Schedule IQ™ uses geo-fencing to determine when you are away, leaving, or arriving home to automatically change the temperature for more energy-efficient heating and cooling.
  • A state-of-the-art touch screen allows for easy setup and configuration and will display scheduled maintenance alerts, troubleshooting options, and system warnings.
  • Easily set heating and cooling setpoints when you are away from home with the One-Touch Away Mode.
  • Check the weather from your S40 Smart Thermostat with live weather data and seven-day forecasts.